Merge remote-tracking branch 'origin/master' into staging.

Conflicts:
	pkgs/desktops/e18/enlightenment.nix

241 files changed, 417 insertions, 276 deletions

diff --git a/pkgs/tools/X11/autocutsel/default.nix b/pkgs/tools/X11/autocutsel/default.nix
index 1fe3cb646ff..8506c9f38f3 100644
--- a/pkgs/tools/X11/autocutsel/default.nix
+++ b/pkgs/tools/X11/autocutsel/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
     inherit version;
     homepage = "http://www.nongnu.org/autocutsel/";
     description = "Tracks changes in the server's cutbuffer and CLIPBOARD selection";
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
     platforms = with stdenv.lib.platforms; all;
     updateWalker = true;
   };
diff --git a/pkgs/tools/X11/bgs/default.nix b/pkgs/tools/X11/bgs/default.nix
index b2bdbe8aaea..00cf9a54fb7 100644
--- a/pkgs/tools/X11/bgs/default.nix
+++ b/pkgs/tools/X11/bgs/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
 
   meta = {
       description = "Extremely fast and small background setter for X";
-      license = "MIT";
+      license = stdenv.lib.licenses.mit;
       hydraPlatforms = stdenv.lib.platforms.linux;
       maintainers = with stdenv.lib.maintainers; [pSub];
   };
diff --git a/pkgs/tools/X11/hsetroot/default.nix b/pkgs/tools/X11/hsetroot/default.nix
index 96241bd02cd..d91f4bfdf65 100644
--- a/pkgs/tools/X11/hsetroot/default.nix
+++ b/pkgs/tools/X11/hsetroot/default.nix
@@ -14,6 +14,6 @@ stdenv.mkDerivation {
   meta = {
     description = "hsetroot allows you to compose wallpapers ('root pixmaps') for X";
     homepage = http://thegraveyard.org/hsetroot.html;
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
   };
 }
diff --git a/pkgs/tools/X11/xbindkeys/default.nix b/pkgs/tools/X11/xbindkeys/default.nix
index 57417fa7721..0d63c190b05 100644
--- a/pkgs/tools/X11/xbindkeys/default.nix
+++ b/pkgs/tools/X11/xbindkeys/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation {
   meta = {
     homepage = http://www.nongnu.org/xbindkeys/xbindkeys.html;
     description = "Launch shell commands with your keyboard or your mouse under X Window";
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
     maintainers = with stdenv.lib.maintainers; [viric];
     platforms = with stdenv.lib.platforms; linux;
   };
diff --git a/pkgs/tools/X11/xchainkeys/default.nix b/pkgs/tools/X11/xchainkeys/default.nix
index 42e26825e33..eab21f2d221 100644
--- a/pkgs/tools/X11/xchainkeys/default.nix
+++ b/pkgs/tools/X11/xchainkeys/default.nix
@@ -13,6 +13,6 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = "https://code.google.com/p/xchainkeys/";
     description = "A standalone X11 program to create chained key bindings";
-    license = "GPLv3";
+    license = stdenv.lib.licenses.gpl3;
   };
 }
diff --git a/pkgs/tools/X11/xnee/default.nix b/pkgs/tools/X11/xnee/default.nix
index ce439d22c21..0e92021b62c 100644
--- a/pkgs/tools/X11/xnee/default.nix
+++ b/pkgs/tools/X11/xnee/default.nix
@@ -44,7 +44,7 @@ stdenv.mkDerivation rec {
          "macros", retype a file.
       '';
 
-    license = "GPLv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
 
     homepage = http://www.gnu.org/software/xnee/;
 
diff --git a/pkgs/tools/X11/xtrace/default.nix b/pkgs/tools/X11/xtrace/default.nix
index c9f41b68446..efc0647f5db 100644
--- a/pkgs/tools/X11/xtrace/default.nix
+++ b/pkgs/tools/X11/xtrace/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation {
   meta = {
     homepage = http://xtrace.alioth.debian.org/;
     description = "xtrace, a tool to trace X11 protocol connections";
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
     maintainers = with stdenv.lib.maintainers; [viric];
     platforms = with stdenv.lib.platforms; linux;
   };
diff --git a/pkgs/tools/admin/analog/default.nix b/pkgs/tools/admin/analog/default.nix
index ec139e7240d..54dac32141f 100644
--- a/pkgs/tools/admin/analog/default.nix
+++ b/pkgs/tools/admin/analog/default.nix
@@ -29,7 +29,7 @@ stdenv.mkDerivation {
 
   meta = {
     homepage = "http://www.analog.cx/";
-    license = "GPL";
+    license = stdenv.lib.licenses.gpl2;
     description = "Powerful tool to generate web server statistics";
     maintainers = [ stdenv.lib.maintainers.simons ];
     platforms = stdenv.lib.platforms.linux;
diff --git a/pkgs/tools/admin/sec/default.nix b/pkgs/tools/admin/sec/default.nix
index af634e3fd56..d8c60c0ec3c 100644
--- a/pkgs/tools/admin/sec/default.nix
+++ b/pkgs/tools/admin/sec/default.nix
@@ -1,11 +1,11 @@
 { fetchurl, perl, stdenv }:
 
 stdenv.mkDerivation rec {
-  name = "sec-2.7.5";
+  name = "sec-2.7.6";
 
   src = fetchurl {
     url = "mirror://sourceforge/simple-evcorr/${name}.tar.gz";
-    sha256 = "a21dcbb61aa99930f911b79e9412b875af12b08722a78295d210b896f23a0301";
+    sha256 = "1lrssln55p3bmn3d2hl8c5l5ix32bn8065w1cgycwsf7r6fww51p";
   };
 
   buildInputs = [ perl ];
diff --git a/pkgs/tools/admin/tigervnc/default.nix b/pkgs/tools/admin/tigervnc/default.nix
index b2dedf4688d..3d5abd074d9 100644
--- a/pkgs/tools/admin/tigervnc/default.nix
+++ b/pkgs/tools/admin/tigervnc/default.nix
@@ -91,7 +91,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     homepage = http://www.tigervnc.org/;
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
     description = "Fork of tightVNC, made in cooperation with VirtualGL";
     maintainers = with stdenv.lib.maintainers; [viric];
     platforms = with stdenv.lib.platforms; linux;
diff --git a/pkgs/tools/admin/tightvnc/default.nix b/pkgs/tools/admin/tightvnc/default.nix
index 187d3345e6b..acb8708ec14 100644
--- a/pkgs/tools/admin/tightvnc/default.nix
+++ b/pkgs/tools/admin/tightvnc/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation {
   builder = ./builder.sh;
 
   meta = {
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
     homepage = "http://vnc-tight.sourceforge.net/";
     description = "TightVNC is an improved version of VNC";
 
diff --git a/pkgs/tools/archivers/gnutar/default.nix b/pkgs/tools/archivers/gnutar/default.nix
index 6428fbaa9dc..87324ac80a2 100644
--- a/pkgs/tools/archivers/gnutar/default.nix
+++ b/pkgs/tools/archivers/gnutar/default.nix
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
       archives).
     '';
 
-    license = "GPLv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
 
     maintainers = [ ];
     platforms = stdenv.lib.platforms.all;
diff --git a/pkgs/tools/archivers/p7zip/default.nix b/pkgs/tools/archivers/p7zip/default.nix
index ff51b28f34b..cd0cea13a14 100644
--- a/pkgs/tools/archivers/p7zip/default.nix
+++ b/pkgs/tools/archivers/p7zip/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = http://p7zip.sourceforge.net/;
     description = "A port of the 7-zip archiver";
-    # license = "LGPLv2.1+"; + "unRAR restriction"
+    # license = stdenv.lib.licenses.lgpl21Plus; + "unRAR restriction"
     platforms = stdenv.lib.platforms.unix;
   };
 }
diff --git a/pkgs/tools/archivers/sharutils/default.nix b/pkgs/tools/archivers/sharutils/default.nix
index 273b394881b..afd734fbae0 100644
--- a/pkgs/tools/archivers/sharutils/default.nix
+++ b/pkgs/tools/archivers/sharutils/default.nix
@@ -46,7 +46,7 @@ stdenv.mkDerivation rec {
 
     homepage = http://www.gnu.org/software/sharutils/;
 
-    license = "GPLv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
 
     maintainers = [ ];
     platforms = stdenv.lib.platforms.all;
diff --git a/pkgs/tools/archivers/zpaq/default.nix b/pkgs/tools/archivers/zpaq/default.nix
index 718a80e1406..1ed5866a692 100644
--- a/pkgs/tools/archivers/zpaq/default.nix
+++ b/pkgs/tools/archivers/zpaq/default.nix
@@ -3,11 +3,11 @@ let
   s = # Generated upstream information
   rec {
     baseName="zpaq";
-    version="652";
+    version="655";
     name="${baseName}-${version}";
-    hash="16qdf0y8jwjp8ymbikz7jm2ldjmbcixvkyrvsx0zy3y7nyylcgky";
-    url="http://mattmahoney.net/dc/zpaq652.zip";
-    sha256="16qdf0y8jwjp8ymbikz7jm2ldjmbcixvkyrvsx0zy3y7nyylcgky";
+    hash="09wjss6vbziwvfmcngb64xd2yih79z1ypgrn4ni7ag8cifx9257c";
+    url="http://mattmahoney.net/dc/zpaq655.zip";
+    sha256="09wjss6vbziwvfmcngb64xd2yih79z1ypgrn4ni7ag8cifx9257c";
   };
   buildInputs = [
     unzip
diff --git a/pkgs/tools/backup/btar/default.nix b/pkgs/tools/backup/btar/default.nix
index 0258edb8a19..89f577e93ad 100644
--- a/pkgs/tools/backup/btar/default.nix
+++ b/pkgs/tools/backup/btar/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Tar-compatible block-based archiver";
-    license = "GPLv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
     homepage = http://viric.name/cgi-bin/btar;
     platforms = with stdenv.lib.platforms; all;
     maintainers = with stdenv.lib.maintainers; [viric];
diff --git a/pkgs/tools/backup/chunksync/default.nix b/pkgs/tools/backup/chunksync/default.nix
index e51d6d6acea..baa0d617016 100644
--- a/pkgs/tools/backup/chunksync/default.nix
+++ b/pkgs/tools/backup/chunksync/default.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "Space-efficient incremental backups of large files or block devices";
     homepage = "http://chunksync.florz.de/";
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
     platforms = with stdenv.lib.platforms; linux;
   };
 }
diff --git a/pkgs/tools/backup/duplicity/default.nix b/pkgs/tools/backup/duplicity/default.nix
index 8a9db4e5701..45d6cb83739 100644
--- a/pkgs/tools/backup/duplicity/default.nix
+++ b/pkgs/tools/backup/duplicity/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation {
   meta = {
     description = "Encrypted bandwidth-efficient backup using the rsync algorithm";
     homepage = "http://www.nongnu.org/duplicity";
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
     maintainers = with stdenv.lib.maintainers; [viric simons];
     platforms = with stdenv.lib.platforms; linux;
   };
diff --git a/pkgs/tools/backup/httrack/default.nix b/pkgs/tools/backup/httrack/default.nix
index be5e0ef4abc..4df142afe3a 100644
--- a/pkgs/tools/backup/httrack/default.nix
+++ b/pkgs/tools/backup/httrack/default.nix
@@ -14,6 +14,6 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = "http://www.httrack.com";
     description = "Easy-to-use offline browser utility";
-    license = "GPL";
+    license = stdenv.lib.licenses.gpl3;
   };
 }
diff --git a/pkgs/tools/backup/rdiff-backup/default.nix b/pkgs/tools/backup/rdiff-backup/default.nix
index d58815f6d6d..58affe10e4e 100644
--- a/pkgs/tools/backup/rdiff-backup/default.nix
+++ b/pkgs/tools/backup/rdiff-backup/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation {
   meta = {
     description = "backup system trying to combine best a mirror and an incremental backup system";
     homepage = http://rdiff-backup.nongnu.org/;
-    license = "GPL-2";
+    license = stdenv.lib.licenses.gpl2;
     maintainers = with stdenv.lib.maintainers; [ the-kenny ];
   };
 }
diff --git a/pkgs/tools/backup/rsnapshot/default.nix b/pkgs/tools/backup/rsnapshot/default.nix
index 9b147d68230..0bd19e2d6be 100644
--- a/pkgs/tools/backup/rsnapshot/default.nix
+++ b/pkgs/tools/backup/rsnapshot/default.nix
@@ -33,6 +33,6 @@ stdenv.mkDerivation rec {
   meta = {
     description = "A filesystem snapshot utility for making backups of local and remote systems";
     homepage = http://rsnapshot.org/;
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
   };
 }
diff --git a/pkgs/tools/bluetooth/bluedevil/default.nix b/pkgs/tools/bluetooth/bluedevil/default.nix
index b8b7510b882..e5a4f83ab0f 100644
--- a/pkgs/tools/bluetooth/bluedevil/default.nix
+++ b/pkgs/tools/bluetooth/bluedevil/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Bluetooth manager for KDE";
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
     inherit (kdelibs.meta) platforms;
     maintainers = [ maintainers.phreedom ];
   };
diff --git a/pkgs/tools/cd-dvd/cdrkit/default.nix b/pkgs/tools/cd-dvd/cdrkit/default.nix
index 0d44624786b..bcf9ec2c0cc 100644
--- a/pkgs/tools/cd-dvd/cdrkit/default.nix
+++ b/pkgs/tools/cd-dvd/cdrkit/default.nix
@@ -36,6 +36,6 @@ stdenv.mkDerivation rec {
     '';
     
     homepage = http://cdrkit.org/;
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
   };
 }
diff --git a/pkgs/tools/cd-dvd/unetbootin/default.nix b/pkgs/tools/cd-dvd/unetbootin/default.nix
index 39b7c809858..516f0750807 100644
--- a/pkgs/tools/cd-dvd/unetbootin/default.nix
+++ b/pkgs/tools/cd-dvd/unetbootin/default.nix
@@ -57,7 +57,7 @@ stdenv.mkDerivation {
   meta = {
     homepage = http://unetbootin.sourceforge.net/;
     description = "A tool to create bootable live USB drives from ISO images";
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
     platforms = stdenv.lib.platforms.linux;
   };
 }
diff --git a/pkgs/tools/cd-dvd/vobcopy/default.nix b/pkgs/tools/cd-dvd/vobcopy/default.nix
index fd0f131b8c2..f181ab71edf 100644
--- a/pkgs/tools/cd-dvd/vobcopy/default.nix
+++ b/pkgs/tools/cd-dvd/vobcopy/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "Copies DVD .vob files to harddisk, decrypting them on the way";
     homepage = http://vobcopy.org/projects/c/c.shtml;
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
 
     maintainers = [ stdenv.lib.maintainers.bluescreen303 ];
     platforms = stdenv.lib.platforms.all;
diff --git a/pkgs/tools/cd-dvd/xorriso/default.nix b/pkgs/tools/cd-dvd/xorriso/default.nix
index 62a802ebab5..88cca66efb1 100644
--- a/pkgs/tools/cd-dvd/xorriso/default.nix
+++ b/pkgs/tools/cd-dvd/xorriso/default.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
          filesystems.
       '';
 
-    license = "GPLv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
 
     homepage = http://www.gnu.org/software/xorriso/;
 
diff --git a/pkgs/tools/compression/gzip/default.nix b/pkgs/tools/compression/gzip/default.nix
index b1d127635f6..b7bf9c59f49 100644
--- a/pkgs/tools/compression/gzip/default.nix
+++ b/pkgs/tools/compression/gzip/default.nix
@@ -29,6 +29,6 @@ stdenv.mkDerivation rec {
         is just a bonus.
       '';
 
-    license = "GPLv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
   };
 }
diff --git a/pkgs/tools/compression/lrzip/default.nix b/pkgs/tools/compression/lrzip/default.nix
index 6fd1ae97d96..51f61fcf239 100644
--- a/pkgs/tools/compression/lrzip/default.nix
+++ b/pkgs/tools/compression/lrzip/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = http://ck.kolivas.org/apps/lrzip/;
     description = "The CK LRZIP compression program (LZMA + RZIP)";
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
     inherit version;
   };
 }
diff --git a/pkgs/tools/compression/rzip/default.nix b/pkgs/tools/compression/rzip/default.nix
index 8c4547753aa..ca8d356abb3 100644
--- a/pkgs/tools/compression/rzip/default.nix
+++ b/pkgs/tools/compression/rzip/default.nix
@@ -11,6 +11,6 @@ stdenv.mkDerivation {
   meta = {
     homepage = http://rzip.samba.org/;
     description = "The RZIP compression program";
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
   };
 }
diff --git a/pkgs/tools/compression/upx/default.nix b/pkgs/tools/compression/upx/default.nix
index 283b751cf26..c012be7c56d 100644
--- a/pkgs/tools/compression/upx/default.nix
+++ b/pkgs/tools/compression/upx/default.nix
@@ -29,6 +29,6 @@ stdenv.mkDerivation {
   meta = {
     homepage = http://upx.sourceforge.net/;
     description = "The Ultimate Packer for eXecutables";
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
   };
 }
diff --git a/pkgs/tools/filesystems/archivemount/default.nix b/pkgs/tools/filesystems/archivemount/default.nix
index 4c00252fc2a..5a43aa52a0e 100644
--- a/pkgs/tools/filesystems/archivemount/default.nix
+++ b/pkgs/tools/filesystems/archivemount/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation {
 
   meta = {
     description = "Gateway between FUSE and libarchive: allows mounting of cpio, .tar.gz, .tar.bz2 archives";
-    license = "GPL2";
+    license = stdenv.lib.licenses.gpl2;
 
     platforms = stdenv.lib.platforms.linux;
     maintainers = [ stdenv.lib.maintainers.simons ];
diff --git a/pkgs/tools/filesystems/chunkfs/default.nix b/pkgs/tools/filesystems/chunkfs/default.nix
index c51837eef18..d91525e348f 100644
--- a/pkgs/tools/filesystems/chunkfs/default.nix
+++ b/pkgs/tools/filesystems/chunkfs/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "(Un)ChunkFS is a pair of FUSE filesystems for viewing chunksync-style directory trees as a block device and vice versa.";
     homepage = "http://chunkfs.florz.de/";
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
     platforms = with stdenv.lib.platforms; linux;
   };
 }
diff --git a/pkgs/tools/filesystems/ciopfs/default.nix b/pkgs/tools/filesystems/ciopfs/default.nix
index f944e591a12..97548442eba 100644
--- a/pkgs/tools/filesystems/ciopfs/default.nix
+++ b/pkgs/tools/filesystems/ciopfs/default.nix
@@ -15,6 +15,6 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = http://www.brain-dump.org/projects/ciopfs/;
     description = "A case-insensitive filesystem layered on top of any other filesystem";
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
   };
 }
diff --git a/pkgs/tools/filesystems/fsfs/default.nix b/pkgs/tools/filesystems/fsfs/default.nix
index 0e72c45e31a..75e5280d391 100644
--- a/pkgs/tools/filesystems/fsfs/default.nix
+++ b/pkgs/tools/filesystems/fsfs/default.nix
@@ -25,6 +25,6 @@ stdenv.mkDerivation {
   meta = {
     homepage = http://fsfs.sourceforge.net/;
     description = "Secure distributed file system in user space";
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
   };
 }
diff --git a/pkgs/tools/filesystems/glusterfs/default.nix b/pkgs/tools/filesystems/glusterfs/default.nix
index 1c843a66636..69f3f7ef1ef 100644
--- a/pkgs/tools/filesystems/glusterfs/default.nix
+++ b/pkgs/tools/filesystems/glusterfs/default.nix
@@ -4,10 +4,11 @@ let
   s = # Generated upstream information 
   rec {
     baseName="glusterfs";
-    version="3.5.0";
+    version="3.5.2";
     name="${baseName}-${version}";
-    url="http://download.gluster.org/pub/gluster/glusterfs/3.5/3.5.0/glusterfs-3.5.0.tar.gz";
-    sha256="0d9jlgxg19f2ajf5i4yw4f91n161rsi8fm95442ckci3xnz21zir";
+    hash="1hvns9islr5jcy0r1cw5890ra246y12pl5nlhl3bvmhglrkv8n7g";
+    url="http://download.gluster.org/pub/gluster/glusterfs/3.5/3.5.2/glusterfs-3.5.2.tar.gz";
+    sha256="1hvns9islr5jcy0r1cw5890ra246y12pl5nlhl3bvmhglrkv8n7g";
   };
   buildInputs = [
     fuse bison flex_2_5_35 openssl python ncurses readline
diff --git a/pkgs/tools/filesystems/grive/default.nix b/pkgs/tools/filesystems/grive/default.nix
index dce7757d23a..c6d2776f437 100644
--- a/pkgs/tools/filesystems/grive/default.nix
+++ b/pkgs/tools/filesystems/grive/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "an open source (experimental) Linux client for Google Drive";
     homepage = https://github.com/Grive/grive;
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
 
     platforms = stdenv.lib.platforms.all;
   };
diff --git a/pkgs/tools/filesystems/httpfs/default.nix b/pkgs/tools/filesystems/httpfs/default.nix
index 6f68a798ede..b0f7981ebb3 100644
--- a/pkgs/tools/filesystems/httpfs/default.nix
+++ b/pkgs/tools/filesystems/httpfs/default.nix
@@ -27,7 +27,7 @@ stdenv.mkDerivation rec {
 
     homepage = http://httpfs.sourceforge.net/;
 
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
 
     platforms = stdenv.lib.platforms.linux;
     maintainers = [ ];
diff --git a/pkgs/tools/filesystems/mtdutils/default.nix b/pkgs/tools/filesystems/mtdutils/default.nix
index 4cb09d53adc..2a7d9672843 100644
--- a/pkgs/tools/filesystems/mtdutils/default.nix
+++ b/pkgs/tools/filesystems/mtdutils/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation {
 
   meta = {
     description = "Tools for MTD filesystems";
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
     homepage = http://www.linux-mtd.infradead.org/;
     maintainers = with stdenv.lib.maintainers; [viric];
     platforms = with stdenv.lib.platforms; linux;
diff --git a/pkgs/tools/filesystems/reiserfsprogs/default.nix b/pkgs/tools/filesystems/reiserfsprogs/default.nix
index 2c14bc624ae..0c5ec063b1a 100644
--- a/pkgs/tools/filesystems/reiserfsprogs/default.nix
+++ b/pkgs/tools/filesystems/reiserfsprogs/default.nix
@@ -19,6 +19,6 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = http://www.namesys.com/;
     description = "ReiserFS utilities";
-    license = "GPL-2";
+    license = stdenv.lib.licenses.gpl2;
   };
 }
diff --git a/pkgs/tools/filesystems/s3backer/default.nix b/pkgs/tools/filesystems/s3backer/default.nix
index 3951a8d8bb7..89e49c9586c 100644
--- a/pkgs/tools/filesystems/s3backer/default.nix
+++ b/pkgs/tools/filesystems/s3backer/default.nix
@@ -13,6 +13,6 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = http://code.google.com/p/s3backer/;
     description = "FUSE-based single file backing store via Amazon S3";
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
   };
 }
diff --git a/pkgs/tools/filesystems/svnfs/default.nix b/pkgs/tools/filesystems/svnfs/default.nix
index 4787ed77b59..b6a296e6bc7 100644
--- a/pkgs/tools/filesystems/svnfs/default.nix
+++ b/pkgs/tools/filesystems/svnfs/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation {
   meta = {
     description = "SvnFs is a filesystem written using FUSE for accessing Subversion repositories";
     homepage = http://www.jmadden.eu/index.php/svnfs/;
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
     maintainers = [stdenv.lib.maintainers.marcweber];
     platforms = stdenv.lib.platforms.linux;
   };
diff --git a/pkgs/tools/graphics/dcraw/default.nix b/pkgs/tools/graphics/dcraw/default.nix
index ed9ac2da2d2..b8d8dd5f48a 100644
--- a/pkgs/tools/graphics/dcraw/default.nix
+++ b/pkgs/tools/graphics/dcraw/default.nix
@@ -1,14 +1,14 @@
-{stdenv, fetchurl, libjpeg, lcms, gettext, jasper }:
+{stdenv, fetchurl, libjpeg, lcms2, gettext, jasper }:
 
 stdenv.mkDerivation rec {
-  name = "dcraw-9.20";
+  name = "dcraw-9.22";
 
   src = fetchurl {
     url = "http://www.cybercom.net/~dcoffin/dcraw/archive/${name}.tar.gz";
-    sha256 = "151xpfmfd1ksjcnpmsnxry1mf2xpx9iaiy9sg1vxgm9i80lkkp5f";
+    sha256 = "00dz85fr5r9k3nlwdbdi30fpqr8wihamzpyair7l7zk0vkrax402";
   };
 
-  buildInputs = [ libjpeg lcms gettext jasper ];
+  buildInputs = [ libjpeg lcms2 gettext jasper ];
 
   patchPhase = ''
     sed -i -e s@/usr/local@$out@ install
diff --git a/pkgs/tools/graphics/enblend-enfuse/default.nix b/pkgs/tools/graphics/enblend-enfuse/default.nix
index b77d63d510d..2d1a6472205 100644
--- a/pkgs/tools/graphics/enblend-enfuse/default.nix
+++ b/pkgs/tools/graphics/enblend-enfuse/default.nix
@@ -32,6 +32,6 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = http://enblend.sourceforge.net/;
     description = "Blends away the seams in a panoramic image mosaic using a multiresolution spline";
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
   };
 }
diff --git a/pkgs/tools/graphics/gifsicle/default.nix b/pkgs/tools/graphics/gifsicle/default.nix
index debc340ee4c..dc1a8b3abae 100644
--- a/pkgs/tools/graphics/gifsicle/default.nix
+++ b/pkgs/tools/graphics/gifsicle/default.nix
@@ -17,6 +17,6 @@ stdenv.mkDerivation {
   meta = { 
     description = "Command-line tool for creating, editing, and getting information about GIF images and animations";
     homepage = http://www.lcdf.org/gifsicle/;
-    license = "GPL2";
+    license = stdenv.lib.licenses.gpl2;
   };
 }
diff --git a/pkgs/tools/graphics/icoutils/default.nix b/pkgs/tools/graphics/icoutils/default.nix
index 10cd9adf2b3..94a613078a4 100644
--- a/pkgs/tools/graphics/icoutils/default.nix
+++ b/pkgs/tools/graphics/icoutils/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = http://www.nongnu.org/icoutils/;
     description = "Set of  programs to deal with Microsoft Windows(R) icon and cursor files";
-    license = "GPLv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
     platforms = with stdenv.lib.platforms; linux;
   };
 }
diff --git a/pkgs/tools/graphics/mscgen/default.nix b/pkgs/tools/graphics/mscgen/default.nix
index ed69327b752..36a75743ed8 100644
--- a/pkgs/tools/graphics/mscgen/default.nix
+++ b/pkgs/tools/graphics/mscgen/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation {
   meta = {
     homepage = http://www.mcternan.me.uk/mscgen/;
     description = "Convert Message Sequence Chart descriptions into PNG, SVG, or EPS images";
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
 
     longDescription = ''
       Mscgen is a small program that parses Message Sequence Chart
diff --git a/pkgs/tools/graphics/panomatic/default.nix b/pkgs/tools/graphics/panomatic/default.nix
index 1a7c3317cf9..f14c16775f8 100644
--- a/pkgs/tools/graphics/panomatic/default.nix
+++ b/pkgs/tools/graphics/panomatic/default.nix
@@ -13,6 +13,6 @@ stdenv.mkDerivation {
   meta = {
     homepage = http://aorlinsk2.free.fr/panomatic/;
     description = "Tool that automates the creation of control points in Hugin";
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
   };
 }
diff --git a/pkgs/tools/graphics/ploticus/default.nix b/pkgs/tools/graphics/ploticus/default.nix
index 857a86d57af..92dce64dcfd 100644
--- a/pkgs/tools/graphics/ploticus/default.nix
+++ b/pkgs/tools/graphics/ploticus/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation {
       statistical capabilities.  It allows significant user control
       over colors, styles, options and details.'';
 
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
     homepage = http://ploticus.sourceforge.net/;
   };
 }
diff --git a/pkgs/tools/graphics/plotutils/default.nix b/pkgs/tools/graphics/plotutils/default.nix
index bb250b9d852..ae0c4d19731 100644
--- a/pkgs/tools/graphics/plotutils/default.nix
+++ b/pkgs/tools/graphics/plotutils/default.nix
@@ -42,7 +42,7 @@ stdenv.mkDerivation rec {
 
     homepage = http://www.gnu.org/software/plotutils/;
 
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
     maintainers = [
       stdenv.lib.maintainers.marcweber
       stdenv.lib.maintainers.ludo
diff --git a/pkgs/tools/graphics/pngcrush/default.nix b/pkgs/tools/graphics/pngcrush/default.nix
index 2a4364164dd..b27e5132804 100644
--- a/pkgs/tools/graphics/pngcrush/default.nix
+++ b/pkgs/tools/graphics/pngcrush/default.nix
@@ -1,11 +1,11 @@
 { stdenv, fetchurl, libpng }:
 
 stdenv.mkDerivation rec {
-  name = "pngcrush-1.7.73";
+  name = "pngcrush-1.7.76";
 
   src = fetchurl {
     url = "mirror://sourceforge/pmt/${name}-nolib.tar.xz";
-    sha256 = "073y19af0sw36nw7draqw9zfd6n7q7b84kscy26s76fhj5x2gb0l";
+    sha256 = "0jbv3ijc0nfhy6pkhv4dwbk2v488rwixd8rv1c7lfs59wblb44hv";
   };
 
   configurePhase = ''
diff --git a/pkgs/tools/graphics/pngtoico/default.nix b/pkgs/tools/graphics/pngtoico/default.nix
index df1046cb750..fe01a9459ec 100644
--- a/pkgs/tools/graphics/pngtoico/default.nix
+++ b/pkgs/tools/graphics/pngtoico/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = http://www.kernel.org/pub/software/graphics/pngtoico/;
     description = "Small utility to convert a set of PNG images to Microsoft ICO format";
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
     platforms = with stdenv.lib.platforms; linux;
   };
 }
diff --git a/pkgs/tools/graphics/povray/default.nix b/pkgs/tools/graphics/povray/default.nix
index 6272bdae780..b4a1d1a7d67 100644
--- a/pkgs/tools/graphics/povray/default.nix
+++ b/pkgs/tools/graphics/povray/default.nix
@@ -1,21 +1,39 @@
-{stdenv, fetchurl}:
+{stdenv, fetchgit, autoconf, automake, boost149, zlib, libpng, libjpeg, libtiff}:
 
+let boost = boost149; in
 stdenv.mkDerivation {
-  name = "povray-3.6";
+  name = "povray-3.7";
 
-  src = fetchurl {
-    url = http://www.povray.org/ftp/pub/povray/Old-Versions/Official-3.62/Unix/povray-3.6.tar.bz2;
-    sha256 = "4e8a7fecd44807343b6867e1f2440aa0e09613d6d69a7385ac48f4e5e7737a73";
+  src = fetchgit {
+    url = "https://github.com/POV-Ray/povray.git";
+    rev = "39ce8a24e50651904010dda15872d63be15d7c37";
+    sha256 = "0d56631d9daacb8967ed359025f56acf0bd505d1d9e752859e8ff8656ae72d20";
   };
 
+
+  buildInputs = [ autoconf automake boost zlib libpng libjpeg libtiff ];
+
   # the installPhase wants to put files into $HOME. I let it put the files
   # to $TMPDIR, so they don't get into the $out
-  patchPhase = ''
-    sed -i -e 's/^povconfuser.*/povconfuser=$(TMPDIR)\/povray/' Makefile.{am,in};
+  postPatch = '' cd unix
+                 ./prebuild.sh
+                 cd ..
+                 sed -i -e 's/^povconfuser.*/povconfuser=$(TMPDIR)\/povray/' Makefile.{am,in}
+                 sed -i -e 's/^povuser.*/povuser=$(TMPDIR)\/.povray/' Makefile.{am,in}
+                 sed -i -e 's/^povowner.*/povowner=nobody/' Makefile.{am,in}
+                 sed -i -e 's/^povgroup.*/povgroup=nogroup/' Makefile.{am,in}
+               '';
+
+  configureFlags = "COMPILED_BY='nix' --with-boost-libdir=${boost}/lib --with-boost-includedir=${boost}/include";
+
+  preInstall = ''
+    mkdir "$TMP/bin"
+    for i in chown chgrp; do
+      echo '#!/bin/sh' >> "$TMP/bin/$i"
+      chmod +x "$TMP/bin/$i"
+      PATH="$TMP/bin:$PATH"
+    done
   '';
-  # I didn't use configureFlags because I couldn't pass the quotes properly
-  # for the COMPILED_BY.
-  configurePhase = "./configure --prefix=$out COMPILED_BY=\"nix\"";
   
   meta = {
     homepage = http://www.povray.org/;
diff --git a/pkgs/tools/graphics/pstoedit/default.nix b/pkgs/tools/graphics/pstoedit/default.nix
index 62816705b8f..d4e977128cf 100644
--- a/pkgs/tools/graphics/pstoedit/default.nix
+++ b/pkgs/tools/graphics/pstoedit/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation {
   meta = { 
     description = "translates PostScript and PDF graphics into other vector formats";
     homepage = http://www.helga-glunz.homepage.t-online.de/pstoedit;
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
     maintainers = [ stdenv.lib.maintainers.marcweber ];
     platforms = stdenv.lib.platforms.linux;
   };
diff --git a/pkgs/tools/inputmethods/fcitx/default.nix b/pkgs/tools/inputmethods/fcitx/default.nix
index 747c4b44ac8..2795b0d4d87 100644
--- a/pkgs/tools/inputmethods/fcitx/default.nix
+++ b/pkgs/tools/inputmethods/fcitx/default.nix
@@ -36,7 +36,7 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = "https://code.google.com/p/fcitx/";
     description = "A Flexible Input Method Framework";
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
     platforms = stdenv.lib.platforms.linux;
     maintainers = with stdenv.lib.maintainers; [iyzsong];
   };
diff --git a/pkgs/tools/misc/aws-mturk-clt/default.nix b/pkgs/tools/misc/aws-mturk-clt/default.nix
index f2fe1d95930..d2d29aae785 100644
--- a/pkgs/tools/misc/aws-mturk-clt/default.nix
+++ b/pkgs/tools/misc/aws-mturk-clt/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = https://requester.mturk.com/developer;
     description = "Command line tools for interacting with the Amazon Mechanical Turk";
-    license = "unfree-redistributable";
+    license = "unfree-redistributable"; # Amazon http://aws.amazon.com/asl/
 
     longDescription =
       ''
diff --git a/pkgs/tools/misc/bfr/default.nix b/pkgs/tools/misc/bfr/default.nix
index 024798a84e3..78383f4185d 100644
--- a/pkgs/tools/misc/bfr/default.nix
+++ b/pkgs/tools/misc/bfr/default.nix
@@ -13,6 +13,6 @@ stdenv.mkDerivation {
   meta = {
     description = "general-purpose command-line pipe buffer";
     homepage = http://www.glines.org/wiki/bfr;
-    license = "GPL2";
+    license = stdenv.lib.licenses.gpl2;
   };
 }
diff --git a/pkgs/tools/misc/bogofilter/default.nix b/pkgs/tools/misc/bogofilter/default.nix
index f7c121d825e..52d80a8812e 100644
--- a/pkgs/tools/misc/bogofilter/default.nix
+++ b/pkgs/tools/misc/bogofilter/default.nix
@@ -21,6 +21,6 @@ stdenv.mkDerivation rec {
       classifications and corrections.  It is based on a Bayesian
       filter.
     '';
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
   };
 }
diff --git a/pkgs/tools/misc/coreutils/default.nix b/pkgs/tools/misc/coreutils/default.nix
index b0dbb049cbf..8844fe9c57c 100644
--- a/pkgs/tools/misc/coreutils/default.nix
+++ b/pkgs/tools/misc/coreutils/default.nix
@@ -75,7 +75,7 @@ let
         operating system.
       '';
 
-      license = "GPLv3+";
+      license = stdenv.lib.licenses.gpl3Plus;
 
       maintainers = [ ];
     };
diff --git a/pkgs/tools/misc/cunit/default.nix b/pkgs/tools/misc/cunit/default.nix
index 35e4c3ab4d4..ac9685b83f5 100644
--- a/pkgs/tools/misc/cunit/default.nix
+++ b/pkgs/tools/misc/cunit/default.nix
@@ -19,7 +19,6 @@ stdenv.mkDerivation rec {
 
     homepage = http://cunit.sourceforge.net/;
 
-    license = "lgpl";
+    license = stdenv.lib.licenses.lgpl2;
   };
 }
-
diff --git a/pkgs/tools/misc/debian-devscripts/default.nix b/pkgs/tools/misc/debian-devscripts/default.nix
index ddf30f342d1..49e158ea2d0 100644
--- a/pkgs/tools/misc/debian-devscripts/default.nix
+++ b/pkgs/tools/misc/debian-devscripts/default.nix
@@ -30,7 +30,7 @@ stdenv.mkDerivation rec {
   '';
   meta = {
     description = ''Debian package maintenance scripts'';
-    license = "GPL (various)"; # Mix of public domain, Artistic+GPL, GPL1+, GPL2+, GPL3+, and GPL2-only...
+    license = "GPL (various)"; # Mix of public domain, Artistic+GPL, GPL1+, GPL2+, GPL3+, and GPL2-only... TODO
     maintainers = with stdenv.lib.maintainers; [raskin];
   };
 }
diff --git a/pkgs/tools/misc/debootstrap/default.nix b/pkgs/tools/misc/debootstrap/default.nix
index a76a57864d9..16b1858e91d 100644
--- a/pkgs/tools/misc/debootstrap/default.nix
+++ b/pkgs/tools/misc/debootstrap/default.nix
@@ -105,7 +105,7 @@ stdenv.mkDerivation {
   meta = { 
     description = "Tool to create a Debian system in a chroot";
     homepage = http://packages.debian.org/de/lenny/debootstrap; # http://code.erisian.com.au/Wiki/debootstrap
-    license = "GPL-2"; # gentoo says so.. ?
+    license = stdenv.lib.licenses.gpl2; # gentoo says so.. ?
     maintainers = [ stdenv.lib.maintainers.marcweber ];
     platforms = stdenv.lib.platforms.linux;
   };
diff --git a/pkgs/tools/misc/detox/default.nix b/pkgs/tools/misc/detox/default.nix
index 435115ffc59..65a0047738b 100644
--- a/pkgs/tools/misc/detox/default.nix
+++ b/pkgs/tools/misc/detox/default.nix
@@ -19,6 +19,6 @@ stdenv.mkDerivation {
       (or CP-1252) characters in them.
     '';
     homepage = "http://detox.sourceforge.net/";
-    license = "bsd";
+    license = stdenv.lib.licenses.bsd3;
   };
 }
diff --git a/pkgs/tools/misc/fasd/default.nix b/pkgs/tools/misc/fasd/default.nix
index 77d1d58c30c..1cbbb9720c9 100644
--- a/pkgs/tools/misc/fasd/default.nix
+++ b/pkgs/tools/misc/fasd/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation {
   meta = {
     homepage = "https://github.com/clvv/fasd";
     description = "quick command-line access to files and directories for POSIX shells";
-    license = "free";
+    license = "free"; # https://github.com/clvv/fasd/blob/master/LICENSE
 
     longDescription = ''
       Fasd is a command-line productivity booster.
@@ -33,5 +33,3 @@ stdenv.mkDerivation {
     platforms = stdenv.lib.platforms.all;
   };
 }
-
-
diff --git a/pkgs/tools/misc/fdupes/default.nix b/pkgs/tools/misc/fdupes/default.nix
index 14e6a2f6681..41c479e414b 100644
--- a/pkgs/tools/misc/fdupes/default.nix
+++ b/pkgs/tools/misc/fdupes/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation {
       files within a set of directories.
     '';
     homepage = http://code.google.com/p/fdupes/;
-    license = "MIT";
+    license = stdenv.lib.licenses.mit;
     platforms = stdenv.lib.platforms.all;
     maintainers = [
       stdenv.lib.maintainers.z77z
diff --git a/pkgs/tools/misc/fileschanged/default.nix b/pkgs/tools/misc/fileschanged/default.nix
index d0a03f955a8..d6ae74e02b5 100644
--- a/pkgs/tools/misc/fileschanged/default.nix
+++ b/pkgs/tools/misc/fileschanged/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = "http://www.nongnu.org/fileschanged/";
     description = "A command-line utility that reports when files have been altered";
-    license = "GPLv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
 
     longDescription = ''
       This utility is a client to FAM (File Alteration Monitor) servers
diff --git a/pkgs/tools/misc/findutils/default.nix b/pkgs/tools/misc/findutils/default.nix
index 88cb2c313c0..a6ea96b77db 100644
--- a/pkgs/tools/misc/findutils/default.nix
+++ b/pkgs/tools/misc/findutils/default.nix
@@ -38,6 +38,6 @@ stdenv.mkDerivation rec {
           * xargs - build and execute command lines from standard input.
     '';
 
-    license = "GPLv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
   };
 }
diff --git a/pkgs/tools/misc/gparted/default.nix b/pkgs/tools/misc/gparted/default.nix
index 50af2a12c24..16c7f652dec 100644
--- a/pkgs/tools/misc/gparted/default.nix
+++ b/pkgs/tools/misc/gparted/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "Graphical disk partitioning tool";
     homepage = http://gparted.sourceforge.net;
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
     platforms = with stdenv.lib.platforms; linux;
   };
 }
diff --git a/pkgs/tools/misc/grub/2.0x.nix b/pkgs/tools/misc/grub/2.0x.nix
index 17cd86014dd..b1877bdcf98 100644
--- a/pkgs/tools/misc/grub/2.0x.nix
+++ b/pkgs/tools/misc/grub/2.0x.nix
@@ -89,7 +89,7 @@ stdenv.mkDerivation rec {
 
     homepage = http://www.gnu.org/software/grub/;
 
-    license = "GPLv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
 
     platforms = if EFIsupport then
       [ "i686-linux" "x86_64-linux" ]
diff --git a/pkgs/tools/misc/gsmartcontrol/default.nix b/pkgs/tools/misc/gsmartcontrol/default.nix
index a937e96eed5..5f21559d471 100644
--- a/pkgs/tools/misc/gsmartcontrol/default.nix
+++ b/pkgs/tools/misc/gsmartcontrol/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
       as well as run various tests on it.
     '';
     homepage = http://gsmartcontrol.sourceforge.net/;
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
     maintainers = with stdenv.lib.maintainers; [qknight];
     platforms = with stdenv.lib.platforms; linux;
   };
diff --git a/pkgs/tools/misc/hddtemp/default.nix b/pkgs/tools/misc/hddtemp/default.nix
index f3c5dd02c7e..835ceb32881 100644
--- a/pkgs/tools/misc/hddtemp/default.nix
+++ b/pkgs/tools/misc/hddtemp/default.nix
@@ -26,6 +26,6 @@ stdenv.mkDerivation {
   meta = {
     description = "Tool for displaying hard disk temperature";
     homepage = https://savannah.nongnu.org/projects/hddtemp/;
-    license = "GPL2";
+    license = stdenv.lib.licenses.gpl2;
   };
 }
diff --git a/pkgs/tools/misc/heimdall/default.nix b/pkgs/tools/misc/heimdall/default.nix
index ab6102cf23c..227fba3d377 100644
--- a/pkgs/tools/misc/heimdall/default.nix
+++ b/pkgs/tools/misc/heimdall/default.nix
@@ -52,6 +52,6 @@ stdenv.mkDerivation {
   meta = {
     homepage = http://www.glassechidna.com.au/products/heimdall/;
     description = "A cross-platform open-source tool suite used to flash firmware onto Samsung Galaxy S devices";
-    license = "bsd";
+    license = stdenv.lib.licenses.mit;
   };
 }
diff --git a/pkgs/tools/misc/idutils/default.nix b/pkgs/tools/misc/idutils/default.nix
index e01a28ab185..2b2f3aeaca3 100644
--- a/pkgs/tools/misc/idutils/default.nix
+++ b/pkgs/tools/misc/idutils/default.nix
@@ -46,7 +46,7 @@ stdenv.mkDerivation rec {
     '';
 
     homepage = http://www.gnu.org/software/idutils/;
-    license = "GPLv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
 
     maintainers = [ ];
     platforms = stdenv.lib.platforms.all;
diff --git a/pkgs/tools/misc/jdiskreport/default.nix b/pkgs/tools/misc/jdiskreport/default.nix
index fe9c46dac64..2fa71223931 100644
--- a/pkgs/tools/misc/jdiskreport/default.nix
+++ b/pkgs/tools/misc/jdiskreport/default.nix
@@ -17,6 +17,6 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = http://www.jgoodies.com/freeware/jdiskreport/;
     description = "A graphical utility to visualize disk usage";
-    license = "unfree-redistributable";
+    license = "unfree-redistributable"; #TODO freedist, libs under BSD-3
   };
 }
diff --git a/pkgs/tools/misc/kermit/default.nix b/pkgs/tools/misc/kermit/default.nix
index db2d6cffc40..ee521f04700 100644
--- a/pkgs/tools/misc/kermit/default.nix
+++ b/pkgs/tools/misc/kermit/default.nix
@@ -30,6 +30,6 @@ stdenv.mkDerivation {
   meta = {
     homepage = "http://www.columbia.edu/kermit/ck80.html";
     description = "Portable Scriptable Network and Serial Communication Software";
-    license = "free";
+    license = "free non-commercial"; #Kermit http://www.columbia.edu/kermit/ckfaq.html#license
   };
 }
diff --git a/pkgs/tools/misc/keychain/default.nix b/pkgs/tools/misc/keychain/default.nix
index 2c2a547f2fd..2eb63f09216 100644
--- a/pkgs/tools/misc/keychain/default.nix
+++ b/pkgs/tools/misc/keychain/default.nix
@@ -30,6 +30,6 @@ stdenv.mkDerivation {
   meta = { 
     description = "Keychain management tool";
     homepage = "http://www.gentoo.org/proj/en/keychain/";
-    license = "GPL2";
+    license = stdenv.lib.licenses.gpl2;
   };
 }
diff --git a/pkgs/tools/misc/lockfile-progs/default.nix b/pkgs/tools/misc/lockfile-progs/default.nix
index 15c6258e86f..308b5217a6f 100644
--- a/pkgs/tools/misc/lockfile-progs/default.nix
+++ b/pkgs/tools/misc/lockfile-progs/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "Programs for locking and unlocking files and mailboxes";
     homepage = http://packages.debian.org/sid/lockfile-progs;
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
 
     maintainers = [ stdenv.lib.maintainers.bluescreen303 ];
     platforms = stdenv.lib.platforms.all;
diff --git a/pkgs/tools/misc/mc/default.nix b/pkgs/tools/misc/mc/default.nix
index 594947ba13d..94c08fa9ba9 100644
--- a/pkgs/tools/misc/mc/default.nix
+++ b/pkgs/tools/misc/mc/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
     description = "File Manager and User Shell for the GNU Project";
     homepage = http://www.midnight-commander.org;
     repositories.git = git://github.com/MidnightCommander/mc.git;
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
     maintainers = [ stdenv.lib.maintainers.sander ];
   };
 }
diff --git a/pkgs/tools/misc/mcrypt/default.nix b/pkgs/tools/misc/mcrypt/default.nix
index 761b2c5bdbf..ffd8966a80e 100644
--- a/pkgs/tools/misc/mcrypt/default.nix
+++ b/pkgs/tools/misc/mcrypt/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
       ever-wider range of algorithms and modes.
     '';
     homepage = http://mcrypt.sourceforge.net;
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
     platforms = stdenv.lib.platforms.all;
     maintainers = [ stdenv.lib.maintainers.qknight ];
   };
diff --git a/pkgs/tools/misc/megacli/default.nix b/pkgs/tools/misc/megacli/default.nix
index ef85c3994a8..7fd6ce966d6 100644
--- a/pkgs/tools/misc/megacli/default.nix
+++ b/pkgs/tools/misc/megacli/default.nix
@@ -30,6 +30,6 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "CLI program for LSI MegaRAID cards, which also works with some Dell PERC RAID cards";
-    license = "unfree";
+    license = stdenv.lib.licenses.unfree;
   };
 }
diff --git a/pkgs/tools/misc/mktorrent/default.nix b/pkgs/tools/misc/mktorrent/default.nix
index f177e9e84c2..3200c7016b6 100644
--- a/pkgs/tools/misc/mktorrent/default.nix
+++ b/pkgs/tools/misc/mktorrent/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation {
 
   meta = {
     homepage = http://mktorrent.sourceforge.net/;
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
     description = "Command line utility to create BitTorrent metainfo files";
     platforms = with stdenv.lib.platforms; linux;
     maintainers = with stdenv.lib.maintainers; [viric];
diff --git a/pkgs/tools/misc/most/default.nix b/pkgs/tools/misc/most/default.nix
index 941d805a6ff..b7f7842680f 100644
--- a/pkgs/tools/misc/most/default.nix
+++ b/pkgs/tools/misc/most/default.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation {
       windows and can scroll left and right. Why settle for less?
     '';
     homepage = http://www.jedsoft.org/most/index.html;
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
     platforms = stdenv.lib.platforms.gnu; # random choice
   };
 }
diff --git a/pkgs/tools/misc/mssys/default.nix b/pkgs/tools/misc/mssys/default.nix
index a9d32205cea..6d3634ea7af 100644
--- a/pkgs/tools/misc/mssys/default.nix
+++ b/pkgs/tools/misc/mssys/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation {
 
   meta = {
     homepage = http://ms-sys.sourceforge.net/;
-    license = "GPL";
+    license = stdenv.lib.licenses.gpl2;
     description = "A program for writing Microsoft compatible boot records";
   };
 }
diff --git a/pkgs/tools/misc/mysql2pgsql/default.nix b/pkgs/tools/misc/mysql2pgsql/default.nix
index 5d93ef44b36..0dad6c2d33f 100644
--- a/pkgs/tools/misc/mysql2pgsql/default.nix
+++ b/pkgs/tools/misc/mysql2pgsql/default.nix
@@ -23,6 +23,6 @@ stdenv.mkDerivation {
   meta = { 
     description = "converts mysql dump files to psql loadable files ";
     homepage = http://pgfoundry.org/projects/mysql2pgsql/;
-    license = "GPL";
+    license = "BSD-Original";
   };
 }
diff --git a/pkgs/tools/misc/pal/default.nix b/pkgs/tools/misc/pal/default.nix
index fbc6d607650..2a081b882ab 100644
--- a/pkgs/tools/misc/pal/default.nix
+++ b/pkgs/tools/misc/pal/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = http://palcal.sourceforge.net/;
     description = "Command-line calendar program that can keep track of events";
-    license = "BSD";
+    license = stdenv.lib.licenses.gpl2;
     maintainers = with stdenv.lib.maintainers; [viric];
     platforms = with stdenv.lib.platforms; linux;
   };
diff --git a/pkgs/tools/misc/parallel/default.nix b/pkgs/tools/misc/parallel/default.nix
index fa6f147efe4..df360bb9804 100644
--- a/pkgs/tools/misc/parallel/default.nix
+++ b/pkgs/tools/misc/parallel/default.nix
@@ -43,7 +43,7 @@ stdenv.mkDerivation rec {
 
     homepage = http://www.gnu.org/software/parallel/;
 
-    license = "GPLv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
 
     platforms = stdenv.lib.platforms.all;
     maintainers = [ ];
diff --git a/pkgs/tools/misc/parcellite/default.nix b/pkgs/tools/misc/parcellite/default.nix
index 54697f98414..d516e50124c 100644
--- a/pkgs/tools/misc/parcellite/default.nix
+++ b/pkgs/tools/misc/parcellite/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "Lightweight GTK+ clipboard manager";
     homepage = "http://parcellite.sourceforge.net";
-    license = "GPLv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
     platforms = stdenv.lib.platforms.linux;
     maintainers = with stdenv.lib.maintainers; [ iyzsong ];
   };
diff --git a/pkgs/tools/misc/parted/default.nix b/pkgs/tools/misc/parted/default.nix
index 1d0c4f2a9e7..108d4d5e040 100644
--- a/pkgs/tools/misc/parted/default.nix
+++ b/pkgs/tools/misc/parted/default.nix
@@ -44,7 +44,7 @@ stdenv.mkDerivation rec {
     '';
 
     homepage = http://www.gnu.org/software/parted/;
-    license = "GPLv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
 
     maintainers = [
       # Add your name here!
diff --git a/pkgs/tools/misc/partition-manager/default.nix b/pkgs/tools/misc/partition-manager/default.nix
index 19a0df26169..156f03dad87 100644
--- a/pkgs/tools/misc/partition-manager/default.nix
+++ b/pkgs/tools/misc/partition-manager/default.nix
@@ -33,7 +33,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "Utility program to help you manage the disk devices";
     homepage = http://www.kde-apps.org/content/show.php/KDE+Partition+Manager?content=89595; # ?
-    license = "GPL";
+    license = stdenv.lib.licenses.gpl2;
     platforms = stdenv.lib.platforms.linux;
   };
 }
diff --git a/pkgs/tools/misc/picocom/default.nix b/pkgs/tools/misc/picocom/default.nix
index b55c973f60a..303fdb3dbe0 100644
--- a/pkgs/tools/misc/picocom/default.nix
+++ b/pkgs/tools/misc/picocom/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "Minimal dumb-terminal emulation program";
     homepage = http://code.google.com/p/picocom/;
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
     platforms = stdenv.lib.platforms.gnu;  # arbitrary choice
   };
 }
diff --git a/pkgs/tools/misc/pk2cmd/default.nix b/pkgs/tools/misc/pk2cmd/default.nix
index 37636da7235..909ed0856bb 100644
--- a/pkgs/tools/misc/pk2cmd/default.nix
+++ b/pkgs/tools/misc/pk2cmd/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation {
 
   meta = {
     homepage = http://www.microchip.com/pickit2;
-    license = "nonfree";
+    license = "nonfree"; #MicroChip-PK2
     description = "Microchip PIC programming software for the PICKit2 programmer";
   };
 }
diff --git a/pkgs/tools/misc/ponysay/default.nix b/pkgs/tools/misc/ponysay/default.nix
index 1da0d70a14f..031264f1edd 100644
--- a/pkgs/tools/misc/ponysay/default.nix
+++ b/pkgs/tools/misc/ponysay/default.nix
@@ -27,7 +27,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "Cowsay reimplemention for ponies";
     homepage = http://terse.tk/ponysay/;
-    license = "GPLv3";
+    license = stdenv.lib.licenses.gpl3;
     maintainers = with stdenv.lib.maintainers; [ bodil ];
   };
 }
diff --git a/pkgs/tools/misc/proxytunnel/default.nix b/pkgs/tools/misc/proxytunnel/default.nix
index f5be7b8a46d..993a36ea909 100644
--- a/pkgs/tools/misc/proxytunnel/default.nix
+++ b/pkgs/tools/misc/proxytunnel/default.nix
@@ -15,6 +15,6 @@ stdenv.mkDerivation {
   meta = {
     description = "program that connects stdin and stdout to a server somewhere on the network, through a standard HTTPS proxy";
     homepage = http://proxytunnel.sourceforge.net/download.php;
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
   };
 }
diff --git a/pkgs/tools/misc/pv/default.nix b/pkgs/tools/misc/pv/default.nix
index d99fc1960dd..a8b6e046a9b 100644
--- a/pkgs/tools/misc/pv/default.nix
+++ b/pkgs/tools/misc/pv/default.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = http://www.ivarch.com/programs/pv;
     description = "Tool for monitoring the progress of data through a pipeline";
-    license = "free";
+    license = "Artistic-2";
     maintainers = with stdenv.lib.maintainers; [viric];
     platforms = with stdenv.lib.platforms; all;
   };
diff --git a/pkgs/tools/misc/recutils/default.nix b/pkgs/tools/misc/recutils/default.nix
index e798ee669e2..f2f5f37ebe4 100644
--- a/pkgs/tools/misc/recutils/default.nix
+++ b/pkgs/tools/misc/recutils/default.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
 
     homepage = http://www.gnu.org/software/recutils/;
 
-    license = "GPLv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
 
     platforms = stdenv.lib.platforms.all;
     maintainers = [ ];
diff --git a/pkgs/tools/misc/remind/default.nix b/pkgs/tools/misc/remind/default.nix
index b679218db79..fe0f3d646b8 100644
--- a/pkgs/tools/misc/remind/default.nix
+++ b/pkgs/tools/misc/remind/default.nix
@@ -10,7 +10,7 @@ stdenv.mkDerivation {
   meta = {
     homepage = http://www.roaringpenguin.com/products/remind;
     description = "Sophisticated calendar and alarm program for the console";
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
     maintainers = with stdenv.lib.maintainers; [viric];
     platforms = with stdenv.lib.platforms; linux;
   };
diff --git a/pkgs/tools/misc/rrdtool/default.nix b/pkgs/tools/misc/rrdtool/default.nix
index 5270ddad35e..7bc4701bb2f 100644
--- a/pkgs/tools/misc/rrdtool/default.nix
+++ b/pkgs/tools/misc/rrdtool/default.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation {
   meta = {
     homepage = http://oss.oetiker.ch/rrdtool/;
     description = "High performance logging in Round Robin Databases";
-    license = "GPL";
+    license = stdenv.lib.licenses.gpl2;
     platforms = stdenv.lib.platforms.all;
   };
 }
diff --git a/pkgs/tools/misc/sl/default.nix b/pkgs/tools/misc/sl/default.nix
index 2ed8d89d43e..a2dab4e0eb8 100644
--- a/pkgs/tools/misc/sl/default.nix
+++ b/pkgs/tools/misc/sl/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation {
 
   meta = {
     homepage = http://www.tkl.iis.u-tokyo.ac.jp/~toyoda/index_e.html;
-    license = "unfree"; # I couldn't find its license, only a copyright.
+    license = stdenv.lib.licenses.unfree; # I couldn't find its license, only a copyright.
     description = "Steam Locomotive runs across your terminal when you type 'sl'";
     platforms = with stdenv.lib.platforms; linux;
   };
diff --git a/pkgs/tools/misc/slsnif/default.nix b/pkgs/tools/misc/slsnif/default.nix
index c861fc6f73a..f3c1c278c76 100644
--- a/pkgs/tools/misc/slsnif/default.nix
+++ b/pkgs/tools/misc/slsnif/default.nix
@@ -11,6 +11,6 @@ stdenv.mkDerivation {
   meta = { 
     description = "Serial line sniffer";
     homepage = http://slsnif.sourceforge.net/;
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
   };
 }
diff --git a/pkgs/tools/misc/stow/default.nix b/pkgs/tools/misc/stow/default.nix
index 58f30a021fa..a6afe475e3b 100644
--- a/pkgs/tools/misc/stow/default.nix
+++ b/pkgs/tools/misc/stow/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation {
       as .../share, .../man, and so on.
     '';
 
-    license = "GPLv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
     homepage = http://www.gnu.org/software/stow/;
 
     maintainers = with stdenv.lib.maintainers; [ the-kenny ];
diff --git a/pkgs/tools/misc/t1utils/default.nix b/pkgs/tools/misc/t1utils/default.nix
index 60767405154..5e473a5cd09 100644
--- a/pkgs/tools/misc/t1utils/default.nix
+++ b/pkgs/tools/misc/t1utils/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
     homepage = http://www.lcdf.org/type/;
     # README from tarball says "BSD-like" and points to non-existing LICENSE
     # file...
-    license = "BSD-like";
+    license = "Click"; # MIT with extra clause, https://github.com/kohler/t1utils/blob/master/LICENSE
     platforms = platforms.linux;
     maintainers = [ maintainers.bjornfor ];
   };
diff --git a/pkgs/tools/misc/testdisk/default.nix b/pkgs/tools/misc/testdisk/default.nix
index 73ac04dd34e..fd237ac15f4 100644
--- a/pkgs/tools/misc/testdisk/default.nix
+++ b/pkgs/tools/misc/testdisk/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation {
 
   meta = {
     homepage = http://www.cgsecurity.org/wiki/TestDisk;
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
     platforms = stdenv.lib.platforms.linux;
     maintainers = [ stdenv.lib.maintainers.eelco ];
     longDescription = ''
diff --git a/pkgs/tools/misc/time/default.nix b/pkgs/tools/misc/time/default.nix
index 05ab7cc7ae7..3a35e9a9f1c 100644
--- a/pkgs/tools/misc/time/default.nix
+++ b/pkgs/tools/misc/time/default.nix
@@ -27,7 +27,7 @@ stdenv.mkDerivation {
       `time' reports unavailable information as zero values.
     '';
 
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
     homepage = http://www.gnu.org/software/time/;
   };
 }
diff --git a/pkgs/tools/misc/uucp/default.nix b/pkgs/tools/misc/uucp/default.nix
index f8ad1fd4d15..bf73dbcbf2f 100644
--- a/pkgs/tools/misc/uucp/default.nix
+++ b/pkgs/tools/misc/uucp/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
 
     homepage = http://www.gnu.org/software/uucp/uucp.html;
 
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
 
     platforms = stdenv.lib.platforms.all;
     maintainers = [ ];
diff --git a/pkgs/tools/misc/wv2/default.nix b/pkgs/tools/misc/wv2/default.nix
index a3938c1af4c..1c2c94ff89c 100644
--- a/pkgs/tools/misc/wv2/default.nix
+++ b/pkgs/tools/misc/wv2/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Excellent MS Word filter lib, used in most Office suites";
-    license = "LGPLv2";
+    license = stdenv.lib.licenses.lgpl2;
     homepage = http://wvware.sourceforge.net;
   };
 }
diff --git a/pkgs/tools/misc/xburst-tools/default.nix b/pkgs/tools/misc/xburst-tools/default.nix
index cc9f98a94f6..93a2707d1e9 100644
--- a/pkgs/tools/misc/xburst-tools/default.nix
+++ b/pkgs/tools/misc/xburst-tools/default.nix
@@ -30,7 +30,7 @@ stdenv.mkDerivation {
 
   meta = {
     description = "Qi tools to access the Ben Nanonote USB_BOOT mode";
-    license = "GPLv3";
+    license = stdenv.lib.licenses.gpl3;
     homepage = http://www.linux-mtd.infradead.org/;
     maintainers = with stdenv.lib.maintainers; [viric];
     platforms = with stdenv.lib.platforms; linux;
diff --git a/pkgs/tools/misc/xclip/default.nix b/pkgs/tools/misc/xclip/default.nix
index 1014f11453b..c830f1a3e2e 100644
--- a/pkgs/tools/misc/xclip/default.nix
+++ b/pkgs/tools/misc/xclip/default.nix
@@ -13,6 +13,6 @@ stdenv.mkDerivation rec {
   meta = { 
     description = "Tool to access the X clipboard from a console application";
     homepage = http://people.debian.org/~kims/xclip/;
-    license = "GPL-2";
+    license = stdenv.lib.licenses.gpl2;
   };
 }
diff --git a/pkgs/tools/misc/xdaliclock/default.nix b/pkgs/tools/misc/xdaliclock/default.nix
index f6d6a2bacfa..79c6a743bce 100644
--- a/pkgs/tools/misc/xdaliclock/default.nix
+++ b/pkgs/tools/misc/xdaliclock/default.nix
@@ -45,7 +45,7 @@ rec {
     ];
     platforms = with a.lib.platforms;
       linux ++ freebsd;
-    license = "free";
+    license = "free"; #TODO BSD on Gentoo, looks like MIT
   };
   passthru = {
     updateInfo = {
@@ -53,4 +53,3 @@ rec {
     };
   };
 }) x
-
diff --git a/pkgs/tools/misc/xdummy/default.nix b/pkgs/tools/misc/xdummy/default.nix
new file mode 100644
index 00000000000..30aba19930c
--- /dev/null
+++ b/pkgs/tools/misc/xdummy/default.nix
@@ -0,0 +1,83 @@
+{ stdenv, writeText, writeScriptBin, xorg, xkeyboard_config }:
+
+let
+  xorgConfig = writeText "dummy-xorg.conf" ''
+    Section "ServerLayout"
+      Identifier     "dummy_layout"
+      Screen         0 "dummy_screen"
+      InputDevice    "dummy_keyboard" "CoreKeyboard"
+      InputDevice    "dummy_mouse" "CorePointer"
+    EndSection
+
+    Section "ServerFlags"
+      Option "DontVTSwitch" "true"
+      Option "AllowMouseOpenFail" "true"
+      Option "PciForceNone" "true"
+      Option "AutoEnableDevices" "false"
+      Option "AutoAddDevices" "false"
+    EndSection
+
+    Section "Files"
+      ModulePath "${xorg.xorgserver}/lib/xorg/modules"
+      ModulePath "${xorg.xf86videodummy}/lib/xorg/modules"
+      XkbDir "${xkeyboard_config}/share/X11/xkb"
+      FontPath "${xorg.fontadobe75dpi}/lib/X11/fonts/75dpi"
+      FontPath "${xorg.fontadobe100dpi}/lib/X11/fonts/100dpi"
+      FontPath "${xorg.fontbhlucidatypewriter75dpi}/lib/X11/fonts/75dpi"
+      FontPath "${xorg.fontbhlucidatypewriter100dpi}/lib/X11/fonts/100dpi"
+      FontPath "${xorg.fontbh100dpi}/lib/X11/fonts/100dpi"
+      FontPath "${xorg.fontmiscmisc}/lib/X11/fonts/misc"
+      FontPath "${xorg.fontcursormisc}/lib/X11/fonts/misc"
+    EndSection
+
+    Section "Module"
+      Load           "dbe"
+      Load           "extmod"
+      Load           "freetype"
+      Load           "glx"
+    EndSection
+
+    Section "InputDevice"
+      Identifier     "dummy_mouse"
+      Driver         "void"
+    EndSection
+
+    Section "InputDevice"
+      Identifier     "dummy_keyboard"
+      Driver         "void"
+    EndSection
+
+    Section "Monitor"
+      Identifier     "dummy_monitor"
+      HorizSync       30.0 - 130.0
+      VertRefresh     50.0 - 250.0
+      Option         "DPMS"
+    EndSection
+
+    Section "Device"
+      Identifier     "dummy_device"
+      Driver         "dummy"
+      VideoRam       192000
+    EndSection
+
+    Section "Screen"
+      Identifier     "dummy_screen"
+      Device         "dummy_device"
+      Monitor        "dummy_monitor"
+      DefaultDepth    24
+      SubSection     "Display"
+        Depth       24
+        Modes      "1280x1024"
+      EndSubSection
+    EndSection
+  '';
+
+in writeScriptBin "xdummy" ''
+  #!${stdenv.shell}
+  export XKB_BINDIR="${xorg.xkbcomp}/bin"
+  exec ${xorg.xorgserver}/bin/Xorg \
+    -noreset \
+    -logfile /dev/null \
+    "$@" \
+    -config "${xorgConfig}"
+''
diff --git a/pkgs/tools/misc/youtube-dl/default.nix b/pkgs/tools/misc/youtube-dl/default.nix
index 1a99cb291c4..64cfadb494a 100644
--- a/pkgs/tools/misc/youtube-dl/default.nix
+++ b/pkgs/tools/misc/youtube-dl/default.nix
@@ -1,14 +1,14 @@
 { stdenv, fetchurl, python, zip }:
 
 let
-  version = "2014.04.02";
+  version = "2014.08.02.1";
 in
 stdenv.mkDerivation rec {
   name = "youtube-dl-${version}";
 
   src = fetchurl {
     url = "http://youtube-dl.org/downloads/${version}/${name}.tar.gz";
-    sha256 = "1c9d5wjl0aaqfvz868wbkr3dwby9vjkx0hkbnwx0wnpg48nlnwpm";
+    sha256 = "0pn8vfzsxp0qbjidhi6pwr1cfinqbr9wcr7sipr97j4ja9m5kkha";
   };
 
   buildInputs = [ python ];
diff --git a/pkgs/tools/networking/ahcpd/default.nix b/pkgs/tools/networking/ahcpd/default.nix
index 635d94a3e86..df8677bfffa 100644
--- a/pkgs/tools/networking/ahcpd/default.nix
+++ b/pkgs/tools/networking/ahcpd/default.nix
@@ -16,6 +16,6 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = "http://www.pps.univ-paris-diderot.fr/~jch/software/ahcp/";
     description = "Autoconfiguration protocol for IPv6 and dual-stack IPv6/IPv4 networks";
-    license = "MIT";
+    license = stdenv.lib.licenses.mit;
   };
 }
diff --git a/pkgs/tools/networking/aircrack-ng/default.nix b/pkgs/tools/networking/aircrack-ng/default.nix
index 475d6775cde..ce2ded24f82 100644
--- a/pkgs/tools/networking/aircrack-ng/default.nix
+++ b/pkgs/tools/networking/aircrack-ng/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
   meta = with stdenv.lib; {
     description = "Wireless encryption crackign tools";
     homepage = http://www.aircrack-ng.org/;
-    license = "GPL2+";
+    license = stdenv.lib.licenses.gpl2Plus;
     maintainers = [ maintainers.iElectric maintainers.viric maintainers.garbas maintainers.chaoflow ];
     platforms = platforms.linux;
   };
diff --git a/pkgs/tools/networking/babeld/default.nix b/pkgs/tools/networking/babeld/default.nix
index 34bdd153f3a..cfd72098261 100644
--- a/pkgs/tools/networking/babeld/default.nix
+++ b/pkgs/tools/networking/babeld/default.nix
@@ -15,6 +15,6 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = "http://www.pps.univ-paris-diderot.fr/~jch/software/babel/";
     description = "Loop-avoiding distance-vector routing protocol";
-    license = "MIT";
+    license = stdenv.lib.licenses.mit;
   };
 }
diff --git a/pkgs/tools/networking/cadaver/default.nix b/pkgs/tools/networking/cadaver/default.nix
new file mode 100644
index 00000000000..83073df0a98
--- /dev/null
+++ b/pkgs/tools/networking/cadaver/default.nix
@@ -0,0 +1,18 @@
+{ stdenv, fetchurl }:
+
+stdenv.mkDerivation rec {
+  name = "cadaver-0.23.3";
+
+  src = fetchurl {
+    url = "http://www.webdav.org/cadaver/${name}.tar.gz";
+    sha256 = "1jizq69ifrjbjvz5y79wh1ny94gsdby4gdxwjad4bfih6a5fck7x";
+  };
+
+  meta = with stdenv.lib; {
+    description = "A command-line WebDAV client for Unix";
+    homepage    = http://www.webdav.org/cadaver;
+    maintainers = with maintainers; [ ianwookim ];
+    license     = licenses.gpl2;
+    platforms   = platforms.unix;
+  };
+}
diff --git a/pkgs/tools/networking/dropbear/default.nix b/pkgs/tools/networking/dropbear/default.nix
index 00e747da7c7..1f7c8a449f3 100644
--- a/pkgs/tools/networking/dropbear/default.nix
+++ b/pkgs/tools/networking/dropbear/default.nix
@@ -42,6 +42,6 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = http://matt.ucc.asn.au/dropbear/dropbear.html;
     description = "An small footprint implementation of the SSH 2 protocol";
-    license = "mit";
+    license = stdenv.lib.licenses.mit;
   };
 }
diff --git a/pkgs/tools/networking/filegive/default.nix b/pkgs/tools/networking/filegive/default.nix
index f9efc6815b6..d7d867cc8df 100644
--- a/pkgs/tools/networking/filegive/default.nix
+++ b/pkgs/tools/networking/filegive/default.nix
@@ -42,7 +42,7 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = http://viric.name/cgi-bin/filegive;
     description = "Easy p2p file sending program";
-    license = "AGPLv3+";
+    license = stdenv.lib.licenses.agpl3Plus;
     maintainers = with stdenv.lib.maintainers; [viric];
     platforms = with stdenv.lib.platforms; linux;
   };
diff --git a/pkgs/tools/networking/flvstreamer/default.nix b/pkgs/tools/networking/flvstreamer/default.nix
index c9bc05658d0..f9322129612 100644
--- a/pkgs/tools/networking/flvstreamer/default.nix
+++ b/pkgs/tools/networking/flvstreamer/default.nix
@@ -29,7 +29,7 @@ stdenv.mkDerivation rec {
          stream audio or video content from all types of flash or rtmp servers.
       '';
 
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
 
     homepage = http://savannah.nongnu.org/projects/flvstreamer;
 
diff --git a/pkgs/tools/networking/gftp/default.nix b/pkgs/tools/networking/gftp/default.nix
index e6b5cd9daab..e7aabcd9755 100644
--- a/pkgs/tools/networking/gftp/default.nix
+++ b/pkgs/tools/networking/gftp/default.nix
@@ -13,6 +13,6 @@ stdenv.mkDerivation {
   meta = { 
     description = "GTK+-based FTP client";
     homepage = http://www.gftp.org;
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
   };
 }
diff --git a/pkgs/tools/networking/hyenae/default.nix b/pkgs/tools/networking/hyenae/default.nix
index d0821a4f588..557fce6d94b 100644
--- a/pkgs/tools/networking/hyenae/default.nix
+++ b/pkgs/tools/networking/hyenae/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation {
   meta = {
     description = "";
     homepage = http://sourceforge.net/projects/hyenae/;
-    license = "GPLv3";
+    license = stdenv.lib.licenses.gpl3;
     maintainers = [stdenv.lib.maintainers.marcweber];
     platforms = stdenv.lib.platforms.linux;
   };
diff --git a/pkgs/tools/networking/imapproxy/default.nix b/pkgs/tools/networking/imapproxy/default.nix
index 7af7f73aad9..29f09b8cc19 100644
--- a/pkgs/tools/networking/imapproxy/default.nix
+++ b/pkgs/tools/networking/imapproxy/default.nix
@@ -16,6 +16,6 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = http://imapproxy.org/;
     description = "It proxies IMAP transactions caching server connections";
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
   };
 }
diff --git a/pkgs/tools/networking/imapsync/default.nix b/pkgs/tools/networking/imapsync/default.nix
index c2c1320988a..1418ad63385 100644
--- a/pkgs/tools/networking/imapsync/default.nix
+++ b/pkgs/tools/networking/imapsync/default.nix
@@ -19,6 +19,6 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = "http://www.linux-france.org/prj/imapsync/";
     description = "Mail folder synchronizer between IMAP servers";
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
   };
 }
diff --git a/pkgs/tools/networking/inadyn/default.nix b/pkgs/tools/networking/inadyn/default.nix
index 99bc8488248..ce90bed3010 100644
--- a/pkgs/tools/networking/inadyn/default.nix
+++ b/pkgs/tools/networking/inadyn/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = http://inadyn.sourceforge.net/;
     description = "Free dynamic DNS client";
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
     maintainers = with stdenv.lib.maintainers; [viric];
     platforms = with stdenv.lib.platforms; all;
   };
diff --git a/pkgs/tools/networking/inetutils/default.nix b/pkgs/tools/networking/inetutils/default.nix
index 295cb0bf139..20ee6da8a30 100644
--- a/pkgs/tools/networking/inetutils/default.nix
+++ b/pkgs/tools/networking/inetutils/default.nix
@@ -39,7 +39,7 @@ stdenv.mkDerivation rec {
       '';
 
     homepage = http://www.gnu.org/software/inetutils/;
-    license = "GPLv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
 
     maintainers = [ stdenv.lib.maintainers.ludo ];
     platforms = stdenv.lib.platforms.gnu;
diff --git a/pkgs/tools/networking/jnettop/default.nix b/pkgs/tools/networking/jnettop/default.nix
index 132d1832a9d..49753d189d6 100644
--- a/pkgs/tools/networking/jnettop/default.nix
+++ b/pkgs/tools/networking/jnettop/default.nix
@@ -23,6 +23,6 @@ stdenv.mkDerivation rec {
     '';
 
     homepage = http://jnettop.kubs.info/;
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
   };
 }
diff --git a/pkgs/tools/networking/lsh/default.nix b/pkgs/tools/networking/lsh/default.nix
index ab43813f923..b7146342b9f 100644
--- a/pkgs/tools/networking/lsh/default.nix
+++ b/pkgs/tools/networking/lsh/default.nix
@@ -41,7 +41,7 @@ stdenv.mkDerivation rec {
     '';
 
     homepage = http://www.lysator.liu.se/~nisse/lsh/;
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
 
     maintainers = [ stdenv.lib.maintainers.ludo ];
   };
diff --git a/pkgs/tools/networking/megatools/default.nix b/pkgs/tools/networking/megatools/default.nix
index 25dbd634c8c..5c1910f1d6e 100644
--- a/pkgs/tools/networking/megatools/default.nix
+++ b/pkgs/tools/networking/megatools/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "Command line client for Mega.co.nz";
     homepage = http://megatools.megous.com/;
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
     maintainers = [ stdenv.lib.maintainers.viric ];
     platforms = stdenv.lib.platforms.linux;
   };
diff --git a/pkgs/tools/networking/mosh/default.nix b/pkgs/tools/networking/mosh/default.nix
index e781af7c235..5209e58ff24 100644
--- a/pkgs/tools/networking/mosh/default.nix
+++ b/pkgs/tools/networking/mosh/default.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
       Mosh is a replacement for SSH. It's more robust and responsive,
       especially over Wi-Fi, cellular, and long-distance links.
     '';
-    license = "GPLv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
     maintainers = with stdenv.lib.maintainers; [viric];
     platforms = stdenv.lib.platforms.unix;
   };
diff --git a/pkgs/tools/networking/mu/default.nix b/pkgs/tools/networking/mu/default.nix
index 1055ef90b12..87f0db1946b 100644
--- a/pkgs/tools/networking/mu/default.nix
+++ b/pkgs/tools/networking/mu/default.nix
@@ -38,7 +38,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "A collection of utilties for indexing and searching Maildirs";
-    license = "GPLv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
     homepage = "http://www.djcbsoftware.nl/code/mu/";
     platforms = stdenv.lib.platforms.mesaPlatforms;
     maintainers = with stdenv.lib.maintainers; [ antono the-kenny ];
diff --git a/pkgs/tools/networking/nbd/default.nix b/pkgs/tools/networking/nbd/default.nix
index b2943eb2ace..dffafe5c816 100644
--- a/pkgs/tools/networking/nbd/default.nix
+++ b/pkgs/tools/networking/nbd/default.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = "http://nbd.sourceforge.net";
     description = "map arbitrary files as block devices over the network";
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
     maintainers = [ stdenv.lib.maintainers.simons ];
     platforms = stdenv.lib.platforms.unix;
   };
diff --git a/pkgs/tools/networking/netkit/tftp/default.nix b/pkgs/tools/networking/netkit/tftp/default.nix
index 16b8a1159b6..5752ff2a63c 100644
--- a/pkgs/tools/networking/netkit/tftp/default.nix
+++ b/pkgs/tools/networking/netkit/tftp/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "Netkit TFTP client and server";
     homepage = "ftp://ftp.uk.linux.org/pub/linux/Networking/netkit/";
-    license = "BSD";
+    license = "BSD-Original";
     maintainers = with stdenv.lib.maintainers; [viric];
     platforms = with stdenv.lib.platforms; linux;
   };
diff --git a/pkgs/tools/networking/ngrep/default.nix b/pkgs/tools/networking/ngrep/default.nix
index 361d44eaca7..5c7840034b7 100644
--- a/pkgs/tools/networking/ngrep/default.nix
+++ b/pkgs/tools/networking/ngrep/default.nix
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
     # <ngrep>/doc/README.txt says that ngrep itself is licensed under a
     # 'BSD-like' license but that the 'regex' library (in the ngrep tarball) is
     # GPLv2.
-    license = "BSD-like";
+    license = "ngrep";  # Some custom BSD-style, see LICENSE.txt
     platforms = platforms.linux;
     maintainers = [ maintainers.bjornfor ];
   };
diff --git a/pkgs/tools/networking/nss-mdns/default.nix b/pkgs/tools/networking/nss-mdns/default.nix
index 7ef5eb17dc1..b3d4ec95e06 100644
--- a/pkgs/tools/networking/nss-mdns/default.nix
+++ b/pkgs/tools/networking/nss-mdns/default.nix
@@ -31,7 +31,7 @@ stdenv.mkDerivation rec {
     '';
 
     homepage = http://0pointer.de/lennart/projects/nss-mdns/;
-    license = "LGPLv2+";
+    license = stdenv.lib.licenses.lgpl2Plus;
 
     # Supports both the GNU and FreeBSD NSS.
     platforms = stdenv.lib.platforms.gnu ++ stdenv.lib.platforms.freebsd;
diff --git a/pkgs/tools/networking/ntop/default.nix b/pkgs/tools/networking/ntop/default.nix
index d5fa2deb68d..11e67ae6333 100644
--- a/pkgs/tools/networking/ntop/default.nix
+++ b/pkgs/tools/networking/ntop/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Traffic analysis with NetFlow and sFlow support";
-    license = "GLPv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
     homepage = http://www.ntop.org/products/ntop/;
     platforms = stdenv.lib.platforms.linux;
     broken = true;
diff --git a/pkgs/tools/networking/nzbget/default.nix b/pkgs/tools/networking/nzbget/default.nix
index c5386553f4f..a97406ac7ed 100644
--- a/pkgs/tools/networking/nzbget/default.nix
+++ b/pkgs/tools/networking/nzbget/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     homepage = http://nzbget.sourceforge.net/;
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
     description = "A command line tool for downloading files from news servers";
   };
 }
diff --git a/pkgs/tools/networking/openresolv/default.nix b/pkgs/tools/networking/openresolv/default.nix
index 666f3ad8ba7..b81c46c0b61 100644
--- a/pkgs/tools/networking/openresolv/default.nix
+++ b/pkgs/tools/networking/openresolv/default.nix
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "A program to manage /etc/resolv.conf";
     homepage = http://roy.marples.name/projects/openresolv;
-    license = "bsd";
+    license = stdenv.lib.licenses.bsd2;
     maintainers = [ stdenv.lib.maintainers.eelco ];
     platforms = stdenv.lib.platforms.linux;
   };
diff --git a/pkgs/tools/networking/openssh/default.nix b/pkgs/tools/networking/openssh/default.nix
index ea94560219f..fec6679a14b 100644
--- a/pkgs/tools/networking/openssh/default.nix
+++ b/pkgs/tools/networking/openssh/default.nix
@@ -80,7 +80,7 @@ stdenv.mkDerivation rec {
   meta = with stdenv.lib; {
     homepage = "http://www.openssh.org/";
     description = "An implementation of the SSH protocol";
-    license = "bsd";
+    license = "bsd"; # multi BSD GPL-2
     platforms = platforms.unix;
     maintainers = with maintainers; [ eelco ];
     broken = hpnSupport; # cf. https://github.com/NixOS/nixpkgs/pull/1640
diff --git a/pkgs/tools/networking/openvpn/default.nix b/pkgs/tools/networking/openvpn/default.nix
index f06a36a96f5..591bf26ff0b 100644
--- a/pkgs/tools/networking/openvpn/default.nix
+++ b/pkgs/tools/networking/openvpn/default.nix
@@ -40,7 +40,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "A robust and highly flexible tunneling application";
     homepage = http://openvpn.net/;
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
     maintainers = [ stdenv.lib.maintainers.viric ];
     platforms = stdenv.lib.platforms.linux;
   };
diff --git a/pkgs/tools/networking/p2p/amule/default.nix b/pkgs/tools/networking/p2p/amule/default.nix
index ac848b5d72e..45a73924758 100644
--- a/pkgs/tools/networking/p2p/amule/default.nix
+++ b/pkgs/tools/networking/p2p/amule/default.nix
@@ -61,7 +61,7 @@ mkDerivation rec {
       applications.
     '';
 
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
 
     platforms = stdenv.lib.platforms.gnu;  # arbitrary choice
     maintainers = [ stdenv.lib.maintainers.phreedom ];
diff --git a/pkgs/tools/networking/p2p/seeks/default.nix b/pkgs/tools/networking/p2p/seeks/default.nix
index 835744c6000..8c707e2fcc7 100644
--- a/pkgs/tools/networking/p2p/seeks/default.nix
+++ b/pkgs/tools/networking/p2p/seeks/default.nix
@@ -40,7 +40,7 @@ stdenv.mkDerivation {
          web indexes as users can push content directly to search groups.
       '';
 
-    license = "AGPLv3+";
+    license = stdenv.lib.licenses.agpl3Plus;
 
     homepage = http://www.seeks-project.info/;
 
diff --git a/pkgs/tools/networking/pdnsd/default.nix b/pkgs/tools/networking/pdnsd/default.nix
index 6058639e412..40d57cd65b6 100644
--- a/pkgs/tools/networking/pdnsd/default.nix
+++ b/pkgs/tools/networking/pdnsd/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
   meta = { 
     description = "Permanent DNS caching";
     homepage = http://www.phys.uu.nl/~rombouts/pdnsd.html;
-    license = "GPLv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
     platforms = stdenv.lib.platforms.unix;
     maintainers = with stdenv.lib.maintainers; [viric];
   };
diff --git a/pkgs/tools/networking/pdsh/default.nix b/pkgs/tools/networking/pdsh/default.nix
index 7a5b6b6c440..fa3fc4472f3 100644
--- a/pkgs/tools/networking/pdsh/default.nix
+++ b/pkgs/tools/networking/pdsh/default.nix
@@ -36,7 +36,7 @@ stdenv.mkDerivation {
   meta = {
     homepage = "http://code.google.com/p/pdsh/";
     description = "High-performance, parallel remote shell utility";
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
 
     longDescription = ''
       Pdsh is a high-performance, parallel remote shell utility. It has
diff --git a/pkgs/tools/networking/proxychains/default.nix b/pkgs/tools/networking/proxychains/default.nix
index 6778cf94907..2835c9016ab 100644
--- a/pkgs/tools/networking/proxychains/default.nix
+++ b/pkgs/tools/networking/proxychains/default.nix
@@ -10,6 +10,6 @@ stdenv.mkDerivation {
   meta = {
     description = "Proxifier for SOCKS proxies";
     homepage = http://proxychains.sourceforge.net;
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
   };
 }
diff --git a/pkgs/tools/networking/pwnat/default.nix b/pkgs/tools/networking/pwnat/default.nix
index 63919edd505..e2da224cfdc 100644
--- a/pkgs/tools/networking/pwnat/default.nix
+++ b/pkgs/tools/networking/pwnat/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = http://samy.pl/pwnat/;
     description = "ICMP NAT to NAT client-server communication";
-    license = "GPLv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
     maintainers = with stdenv.lib.maintainers; [viric];
     platforms = with stdenv.lib.platforms; linux;
   };
diff --git a/pkgs/tools/networking/reaver-wps/default.nix b/pkgs/tools/networking/reaver-wps/default.nix
index 65d681fdc22..afce95fbd44 100644
--- a/pkgs/tools/networking/reaver-wps/default.nix
+++ b/pkgs/tools/networking/reaver-wps/default.nix
@@ -21,6 +21,6 @@ stdenv.mkDerivation rec {
   meta = {
     description = "Brute force attack against Wifi Protected Setup";
     homepage = http://code.google.com/p/reaver-wps;
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
   };
 }
diff --git a/pkgs/tools/networking/s3sync/default.nix b/pkgs/tools/networking/s3sync/default.nix
index 48788d36884..8390c70a4d3 100644
--- a/pkgs/tools/networking/s3sync/default.nix
+++ b/pkgs/tools/networking/s3sync/default.nix
@@ -24,6 +24,6 @@ stdenv.mkDerivation {
   meta = {
     homepage = http://s3sync.net/;
     description = "Command-line tools to manipulate Amazon S3 buckets";
-    license = "free-non-copyleft";
+    license = "free-non-copyleft"; # some custom as-is in file headers
   };
 }
diff --git a/pkgs/tools/networking/smbldaptools/default.nix b/pkgs/tools/networking/smbldaptools/default.nix
index 74e8a530560..af1849565fe 100644
--- a/pkgs/tools/networking/smbldaptools/default.nix
+++ b/pkgs/tools/networking/smbldaptools/default.nix
@@ -26,6 +26,6 @@ stdenv.mkDerivation {
   meta = {
     homepage = http://gna.org/projects/smbldap-tools/;
     description = "SAMBA LDAP tools";
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
   };
 }
diff --git a/pkgs/tools/networking/swec/default.nix b/pkgs/tools/networking/swec/default.nix
index bf0c2f80694..3e8f3ca3dc5 100644
--- a/pkgs/tools/networking/swec/default.nix
+++ b/pkgs/tools/networking/swec/default.nix
@@ -66,7 +66,7 @@ stdenv.mkDerivation rec {
          (well, not exactly true, SWEC will ignore robots.txt).
       '';
 
-    license = "GPLv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
 
     maintainers = [ ];
   };
diff --git a/pkgs/tools/networking/udptunnel/default.nix b/pkgs/tools/networking/udptunnel/default.nix
index 0cb777b01af..b12ce573d1c 100644
--- a/pkgs/tools/networking/udptunnel/default.nix
+++ b/pkgs/tools/networking/udptunnel/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation {
   meta = {
     homepage = http://code.google.com/p/udptunnel/;
     description = "Tunnels TCP over UDP packets";
-    license = "GPLv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
     maintainers = with stdenv.lib.maintainers; [viric];
     platforms = with stdenv.lib.platforms; linux;
   };
diff --git a/pkgs/tools/networking/uwimap/default.nix b/pkgs/tools/networking/uwimap/default.nix
index 54390d4f9ee..1da9ca96984 100644
--- a/pkgs/tools/networking/uwimap/default.nix
+++ b/pkgs/tools/networking/uwimap/default.nix
@@ -36,7 +36,7 @@ stdenv.mkDerivation {
   meta = {
     homepage = http://www.washington.edu/imap/;
     description = "UW IMAP toolkit - IMAP-supporting software developed by the UW";
-    license = "Apache2";
+    license = stdenv.lib.licenses.asl20;
     platforms = with stdenv.lib.platforms; linux;
   };
 
diff --git a/pkgs/tools/networking/vpnc/default.nix b/pkgs/tools/networking/vpnc/default.nix
index 8619cd95409..1386f7133e5 100644
--- a/pkgs/tools/networking/vpnc/default.nix
+++ b/pkgs/tools/networking/vpnc/default.nix
@@ -41,7 +41,7 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = "http://www.unix-ag.uni-kl.de/~massar/vpnc/";
     description = "virtual private network (VPN) client for Cisco's VPN concentrators";
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
 
     platforms = stdenv.lib.platforms.linux;
     maintainers = [ stdenv.lib.maintainers.simons ];
diff --git a/pkgs/tools/networking/vtun/default.nix b/pkgs/tools/networking/vtun/default.nix
index 3f3a0dc8993..e32ee43113e 100644
--- a/pkgs/tools/networking/vtun/default.nix
+++ b/pkgs/tools/networking/vtun/default.nix
@@ -20,6 +20,6 @@ stdenv.mkDerivation {
   meta = { 
       description="Virtual Tunnels over TCP/IP with traffic shaping, compression and encryption";
       homepage="http://vtun.sourceforge.net/";
-      license = "GPLv2";
+      license = stdenv.lib.licenses.gpl2;
   };
 }
diff --git a/pkgs/tools/networking/wakelan/default.nix b/pkgs/tools/networking/wakelan/default.nix
index 837ab3627fa..4f8717e9a11 100644
--- a/pkgs/tools/networking/wakelan/default.nix
+++ b/pkgs/tools/networking/wakelan/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
          power on.
       '';
 
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
 
     maintainers = [ stdenv.lib.maintainers.viric ];
     platforms = stdenv.lib.platforms.linux;
diff --git a/pkgs/tools/networking/wget/default.nix b/pkgs/tools/networking/wget/default.nix
index c8698215525..6ff5439c4bc 100644
--- a/pkgs/tools/networking/wget/default.nix
+++ b/pkgs/tools/networking/wget/default.nix
@@ -45,7 +45,7 @@ stdenv.mkDerivation rec {
          scripts, cron jobs, terminals without X-Windows support, etc.
       '';
 
-    license = "GPLv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
 
     homepage = http://www.gnu.org/software/wget/;
 
diff --git a/pkgs/tools/package-management/disnix/DisnixWebService/default.nix b/pkgs/tools/package-management/disnix/DisnixWebService/default.nix
index 381cb21ec1b..291f7e36ce0 100644
--- a/pkgs/tools/package-management/disnix/DisnixWebService/default.nix
+++ b/pkgs/tools/package-management/disnix/DisnixWebService/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation {
   
   meta = {
     description = "A SOAP interface and client for Disnix";
-    license = "MIT";
+    license = stdenv.lib.licenses.mit;
     maintainers = [ stdenv.lib.maintainers.sander ];
   };
 }
diff --git a/pkgs/tools/package-management/disnix/default.nix b/pkgs/tools/package-management/disnix/default.nix
index d89ab7667e8..61e998fd545 100644
--- a/pkgs/tools/package-management/disnix/default.nix
+++ b/pkgs/tools/package-management/disnix/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation {
   
   meta = {
     description = "A distributed deployment extension for Nix";
-    license = "LGPLv2.1+";
+    license = stdenv.lib.licenses.lgpl21Plus;
     maintainers = [ stdenv.lib.maintainers.sander ];
   };
 }
diff --git a/pkgs/tools/package-management/disnix/disnixos/default.nix b/pkgs/tools/package-management/disnix/disnixos/default.nix
index 7420353499f..65ae91f6e18 100644
--- a/pkgs/tools/package-management/disnix/disnixos/default.nix
+++ b/pkgs/tools/package-management/disnix/disnixos/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation {
   
   meta = {
     description = "Provides complementary NixOS infrastructure deployment to Disnix";
-    license = "LGPLv2.1+";
+    license = stdenv.lib.licenses.lgpl21Plus;
     maintainers = [ stdenv.lib.maintainers.sander ];
   };
 }
diff --git a/pkgs/tools/package-management/disnix/dysnomia/default.nix b/pkgs/tools/package-management/disnix/dysnomia/default.nix
index d2f3ae6468c..a1914224dbd 100644
--- a/pkgs/tools/package-management/disnix/dysnomia/default.nix
+++ b/pkgs/tools/package-management/disnix/dysnomia/default.nix
@@ -47,7 +47,7 @@ stdenv.mkDerivation {
 
   meta = {
     description = "Automated deployment of mutable components and services for Disnix";
-    license = "MIT";
+    license = stdenv.lib.licenses.mit;
     maintainers = [ stdenv.lib.maintainers.sander ];
   };
 }
diff --git a/pkgs/tools/package-management/guix/default.nix b/pkgs/tools/package-management/guix/default.nix
index 7c4a098cad8..b4b3c98505e 100644
--- a/pkgs/tools/package-management/guix/default.nix
+++ b/pkgs/tools/package-management/guix/default.nix
@@ -59,7 +59,7 @@ in stdenv.mkDerivation rec {
       Guix is based on the Nix package manager.
     '';
 
-    license = "GPLv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
 
     maintainers = [ stdenv.lib.maintainers.ludo ];
     platforms = stdenv.lib.platforms.linux;
diff --git a/pkgs/tools/package-management/nix/default.nix b/pkgs/tools/package-management/nix/default.nix
index 16a276273cc..b2e86935b50 100644
--- a/pkgs/tools/package-management/nix/default.nix
+++ b/pkgs/tools/package-management/nix/default.nix
@@ -68,7 +68,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "The Nix Deployment System";
     homepage = http://nixos.org/;
-    license = "LGPLv2+";
+    license = stdenv.lib.licenses.lgpl2Plus;
     maintainers = [ stdenv.lib.maintainers.eelco ];
     platforms = stdenv.lib.platforms.all;
   };
diff --git a/pkgs/tools/package-management/nix/unstable.nix b/pkgs/tools/package-management/nix/unstable.nix
index ef673241c7e..afcceb30474 100644
--- a/pkgs/tools/package-management/nix/unstable.nix
+++ b/pkgs/tools/package-management/nix/unstable.nix
@@ -5,11 +5,11 @@
 }:
 
 stdenv.mkDerivation rec {
-  name = "nix-1.8pre3705_71a20d4";
+  name = "nix-1.8pre3718_51485dc";
 
   src = fetchurl {
-    url = "http://hydra.nixos.org/build/12722887/download/5/${name}.tar.xz";
-    sha256 = "832905be494280c8dcb377e389fb9c6c77993508bb457e11720ba2b53dd580ae";
+    url = "http://hydra.nixos.org/build/13025632/download/5/${name}.tar.xz";
+    sha256 = "69f3a0729b6df1adcbfc7c13df405ce7f3f7904b0cbcdd7f6ad3a0af45f4024c";
   };
 
   nativeBuildInputs = [ perl pkgconfig ];
@@ -70,7 +70,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "The Nix Deployment System";
     homepage = http://nixos.org/;
-    license = "LGPLv2+";
+    license = stdenv.lib.licenses.lgpl2Plus;
     maintainers = [ stdenv.lib.maintainers.eelco ];
     platforms = stdenv.lib.platforms.all;
   };
diff --git a/pkgs/tools/security/aespipe/default.nix b/pkgs/tools/security/aespipe/default.nix
index 96de0e0fbe4..dbbdb8e57a6 100644
--- a/pkgs/tools/security/aespipe/default.nix
+++ b/pkgs/tools/security/aespipe/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "AES encrypting or decrypting pipe";
     homepage = http://loop-aes.sourceforge.net/aespipe.README;
-    license = "GPL";
+    license = stdenv.lib.licenses.gpl2;
     maintainers = stdenv.lib.maintainers.goibhniu;
     platforms = stdenv.lib.platforms.linux;
   };
diff --git a/pkgs/tools/security/ccid/default.nix b/pkgs/tools/security/ccid/default.nix
index 458111be400..42af2e0b57e 100644
--- a/pkgs/tools/security/ccid/default.nix
+++ b/pkgs/tools/security/ccid/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "ccid drivers for pcsclite";
     homepage = http://pcsclite.alioth.debian.org/;
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
     maintainers = with stdenv.lib.maintainers; [viric];
     platforms = with stdenv.lib.platforms; linux;
   };
diff --git a/pkgs/tools/security/ccrypt/default.nix b/pkgs/tools/security/ccrypt/default.nix
index 0d4841bf036..e6a63a2f288 100644
--- a/pkgs/tools/security/ccrypt/default.nix
+++ b/pkgs/tools/security/ccrypt/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation {
   meta = {
     homepage = http://ccrypt.sourceforge.net/;
     description = "Utility for encrypting and decrypting files and streams with AES-256";
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
     maintainers = with stdenv.lib.maintainers; [viric];
     platforms = with stdenv.lib.platforms; all; 
   };
diff --git a/pkgs/tools/security/gnupg/git.nix b/pkgs/tools/security/gnupg/git.nix
index 3d7db862dce..69a0a68319f 100644
--- a/pkgs/tools/security/gnupg/git.nix
+++ b/pkgs/tools/security/gnupg/git.nix
@@ -52,6 +52,6 @@ stdenv.mkDerivation rec {
 
     homepage = http://gnupg.org/;
 
-    license = "GPLv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
   };
 }
diff --git a/pkgs/tools/security/gnupg1/default.nix b/pkgs/tools/security/gnupg1/default.nix
index a25ae35b6cc..53f784396a7 100644
--- a/pkgs/tools/security/gnupg1/default.nix
+++ b/pkgs/tools/security/gnupg1/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "free implementation of the OpenPGP standard for encrypting and signing data";
     homepage = http://www.gnupg.org/;
-    license = "GPLv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
     platforms = stdenv.lib.platforms.gnu; # arbitrary choice
   };
 }
diff --git a/pkgs/tools/security/meo/default.nix b/pkgs/tools/security/meo/default.nix
index 2dfdf466c28..be678b18dda 100644
--- a/pkgs/tools/security/meo/default.nix
+++ b/pkgs/tools/security/meo/default.nix
@@ -27,7 +27,7 @@ stdenv.mkDerivation {
   meta = {
     homepage = http://oss.stamfest.net/wordpress/meo-multiple-eyepairs-only;
     description = "Tools to use cryptography for things like four-eyes principles";
-    license = "AGPLv3+";
+    license = stdenv.lib.licenses.agpl3Plus;
     maintainers = with stdenv.lib.maintainers; [viric];
     platforms = with stdenv.lib.platforms; linux;
   };
diff --git a/pkgs/tools/security/muscletool/default.nix b/pkgs/tools/security/muscletool/default.nix
index c9648fbe404..ac9ccc59205 100644
--- a/pkgs/tools/security/muscletool/default.nix
+++ b/pkgs/tools/security/muscletool/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation {
   meta = {
     description = "Smart card applications for use with MUSCLE plugins";
     homepage = http://muscleapps.alioth.debian.org/;
-    license = "BSD";
+    license = "BSD"; # http://anonscm.debian.org/viewvc/muscleapps/trunk/muscleTool/COPYING?view=markup
     maintainers = with stdenv.lib.maintainers; [viric];
     platforms = with stdenv.lib.platforms; linux;
   };
diff --git a/pkgs/tools/security/paperkey/default.nix b/pkgs/tools/security/paperkey/default.nix
new file mode 100644
index 00000000000..c3b1d64c3a3
--- /dev/null
+++ b/pkgs/tools/security/paperkey/default.nix
@@ -0,0 +1,28 @@
+{ fetchurl, stdenv }:
+
+stdenv.mkDerivation rec {
+
+  version = "1.3";
+  name = "paperkey-${version}";
+  
+  src = fetchurl {
+    url = "http://www.jabberwocky.com/software/paperkey/${name}.tar.gz";
+    sha256 = "5b57d7522336fb65c4c398eec27bf44ec0aaa35926157b79a76423231792cbfb";
+  };
+
+  enableParallelBuilding = true;
+  
+  meta = with stdenv.lib; {
+    description = "Store OpenPGP or GnuPG on paper";
+    longDescription = ''
+      A reasonable way to achieve a long term backup of OpenPGP (GnuPG, PGP, etc)
+      keys is to print them out on paper. Paper and ink have amazingly long
+      retention qualities - far longer than the magnetic or optical means that
+      are generally used to back up computer data.
+    '';
+    homepage = "http://www.jabberwocky.com/software/paperkey/";
+    license = licenses.gpl2;
+    platforms = platforms.linux;
+    maintainers = [ maintainers.skeidel ];
+  };
+}
diff --git a/pkgs/tools/security/pass/default.nix b/pkgs/tools/security/pass/default.nix
index f9bc0171592..3b44edcf1d3 100644
--- a/pkgs/tools/security/pass/default.nix
+++ b/pkgs/tools/security/pass/default.nix
@@ -7,12 +7,12 @@
 assert withX -> xclip != null;
 
 stdenv.mkDerivation rec {
-  version = "1.6.2";
+  version = "1.6.3";
   name    = "password-store-${version}";
 
   src = fetchurl {
     url    = "http://git.zx2c4.com/password-store/snapshot/${name}.tar.xz";
-    sha256 = "1d32y6k625pv704icmhg46zg02kw5zcyxscgljxgy8bb5wv4lv2j";
+    sha256 = "1xs00c7ffqd0093i452kryw9sjip6dkp1pclx69zihb5l45d86fl";
   };
 
   patches = [ ./darwin-getopt.patch ];
diff --git a/pkgs/tools/security/pinentry/default.nix b/pkgs/tools/security/pinentry/default.nix
index 4d1d55244c0..038044ad681 100644
--- a/pkgs/tools/security/pinentry/default.nix
+++ b/pkgs/tools/security/pinentry/default.nix
@@ -29,7 +29,7 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = "http://gnupg.org/aegypten2/";
     description = "GnuPG's interface to passphrase input";
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
 
     longDescription = ''
       Pinentry provides a console and a GTK+ GUI that allows users to
diff --git a/pkgs/tools/security/pius/default.nix b/pkgs/tools/security/pius/default.nix
index e693143e4c4..2a4995f4579 100644
--- a/pkgs/tools/security/pius/default.nix
+++ b/pkgs/tools/security/pius/default.nix
@@ -38,7 +38,7 @@ stdenv.mkDerivation {
          to the process.
       '';
 
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
 
     platforms = stdenv.lib.platforms.gnu;
     maintainers = [ ];
diff --git a/pkgs/tools/security/tor/default.nix b/pkgs/tools/security/tor/default.nix
index 57c4a9c5662..d71bbd891f9 100644
--- a/pkgs/tools/security/tor/default.nix
+++ b/pkgs/tools/security/tor/default.nix
@@ -1,11 +1,11 @@
 { stdenv, fetchurl, libevent, openssl, zlib }:
 
 stdenv.mkDerivation rec {
-  name = "tor-0.2.4.22";
+  name = "tor-0.2.4.23";
 
   src = fetchurl {
     url = "https://archive.torproject.org/tor-package-archive/${name}.tar.gz";
-    sha256 = "0k39ppcvld6p08yaf4rpspb34z4f5863j0d605yrm4dqjcp99xvb";
+    sha256 = "0a8l6d82hk4wbn7nlphd3c1maxhgdli8338wbg5r9dk6zcy7k8q5";
   };
 
   buildInputs = [ libevent openssl zlib ];
diff --git a/pkgs/tools/security/tor/torsocks.nix b/pkgs/tools/security/tor/torsocks.nix
index 0254b143edf..f8e76c4e83b 100644
--- a/pkgs/tools/security/tor/torsocks.nix
+++ b/pkgs/tools/security/tor/torsocks.nix
@@ -19,6 +19,6 @@ stdenv.mkDerivation rec {
     description = "use socks-friendly applications with Tor";
     homepage = http://code.google.com/p/torsocks/;
     repositories.git = https://git.torproject.org/torsocks.git;
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
   };
 }
diff --git a/pkgs/tools/system/acct/default.nix b/pkgs/tools/system/acct/default.nix
index cd9519590cc..071504368b7 100644
--- a/pkgs/tools/system/acct/default.nix
+++ b/pkgs/tools/system/acct/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
       execution statistics.
     '';
 
-    license = "GPLv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
 
     homepage = http://www.gnu.org/software/acct/;
 
diff --git a/pkgs/tools/system/ansible/default.nix b/pkgs/tools/system/ansible/default.nix
index 7d96092a3ce..b3d40712926 100644
--- a/pkgs/tools/system/ansible/default.nix
+++ b/pkgs/tools/system/ansible/default.nix
@@ -1,13 +1,13 @@
 { stdenv, fetchurl, pythonPackages, python }:
 
 pythonPackages.buildPythonPackage rec {
-  version = "1.6.1";		    
+  version = "1.6.10";
   name = "ansible-${version}";
   namePrefix = "";
   
   src = fetchurl {
     url = "https://github.com/ansible/ansible/archive/v${version}.tar.gz";
-    sha256 = "1iz1q2h0zll4qsxk0pndc59knasw663kv53sm21q57qz7lf30q9z";
+    sha256 = "0j133353skzb6ydrqqgfkzbkkj1zaibl1x8sgl0arnfma8qky1g1";
   };
 
   prePatch = ''
diff --git a/pkgs/tools/system/at/default.nix b/pkgs/tools/system/at/default.nix
index c7789051365..2964db34e12 100644
--- a/pkgs/tools/system/at/default.nix
+++ b/pkgs/tools/system/at/default.nix
@@ -35,7 +35,7 @@ stdenv.mkDerivation {
 
   meta = {
     description = ''The classical Unix `at' job scheduling command'';
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
     homepage = http://packages.qa.debian.org/at;
   };
 }
diff --git a/pkgs/tools/system/collectd/default.nix b/pkgs/tools/system/collectd/default.nix
index bc4bca887c8..4210a0a04a5 100644
--- a/pkgs/tools/system/collectd/default.nix
+++ b/pkgs/tools/system/collectd/default.nix
@@ -27,7 +27,7 @@
 
 stdenv.mkDerivation rec {
   name = "collectd-5.4.1";
-  
+
   src = fetchurl {
     url = "http://collectd.org/files/${name}.tar.bz2";
     sha256 = "1q365zx6d1wyhv7n97bagfxqnqbhj2j14zz552nhmjviy8lj2ibm";
diff --git a/pkgs/tools/system/ddrescue/default.nix b/pkgs/tools/system/ddrescue/default.nix
index d2ace27b1fd..8117906585c 100644
--- a/pkgs/tools/system/ddrescue/default.nix
+++ b/pkgs/tools/system/ddrescue/default.nix
@@ -40,7 +40,7 @@ stdenv.mkDerivation rec {
 
     homepage = http://www.gnu.org/software/ddrescue/ddrescue.html;
 
-    license = "GPLv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
 
     platforms = stdenv.lib.platforms.all;
     maintainers = with stdenv.lib.maintainers; [ iElectric ];
diff --git a/pkgs/tools/system/efibootmgr/default.nix b/pkgs/tools/system/efibootmgr/default.nix
index 81206a13296..67b97ea75b1 100644
--- a/pkgs/tools/system/efibootmgr/default.nix
+++ b/pkgs/tools/system/efibootmgr/default.nix
@@ -27,4 +27,3 @@ stdenv.mkDerivation rec {
     platforms = platforms.linux;
   };
 }
-
diff --git a/pkgs/tools/system/fakeroot/default.nix b/pkgs/tools/system/fakeroot/default.nix
index 1bf18ed867c..9764ae6ce0e 100644
--- a/pkgs/tools/system/fakeroot/default.nix
+++ b/pkgs/tools/system/fakeroot/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = http://fakeroot.alioth.debian.org/;
     description = "Give a fake root environment through LD_PRELOAD";
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
     maintainers = with stdenv.lib.maintainers; [viric];
     platforms = with stdenv.lib.platforms; linux;
   };
diff --git a/pkgs/tools/system/fcron/default.nix b/pkgs/tools/system/fcron/default.nix
index 5a70843ff6b..f546cd8f5ff 100644
--- a/pkgs/tools/system/fcron/default.nix
+++ b/pkgs/tools/system/fcron/default.nix
@@ -52,7 +52,7 @@ stdenv.mkDerivation rec {
   meta = { 
     description="A command scheduler with extended capabilities over cron and anacron";
     homepage = http://fcron.free.fr;
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
     platforms = stdenv.lib.platforms.all;
   };
 }
diff --git a/pkgs/tools/system/fdisk/default.nix b/pkgs/tools/system/fdisk/default.nix
index e72497cf7c4..9a4ac260ecc 100644
--- a/pkgs/tools/system/fdisk/default.nix
+++ b/pkgs/tools/system/fdisk/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
       cfdisk.  It uses GNU Parted.
     '';
 
-    license = "GPLv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
 
     homepage = http://www.gnu.org/software/fdisk/;
 
diff --git a/pkgs/tools/system/fio/default.nix b/pkgs/tools/system/fio/default.nix
index b4ddca4371e..c408c0f34ea 100644
--- a/pkgs/tools/system/fio/default.nix
+++ b/pkgs/tools/system/fio/default.nix
@@ -18,6 +18,6 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = "http://git.kernel.dk/?p=fio.git;a=summary";
     description = "Flexible IO Tester - an IO benchmark tool";
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
   };
 }
diff --git a/pkgs/tools/system/freeipmi/default.nix b/pkgs/tools/system/freeipmi/default.nix
index 2bfa77164b8..21a67dba305 100644
--- a/pkgs/tools/system/freeipmi/default.nix
+++ b/pkgs/tools/system/freeipmi/default.nix
@@ -31,7 +31,7 @@ stdenv.mkDerivation rec {
 
     homepage = http://www.gnu.org/software/freeipmi/;
 
-    license = "GPLv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
 
     maintainers = with stdenv.lib.maintainers; [ raskin ];
     platforms = stdenv.lib.platforms.gnu;  # arbitrary choice
diff --git a/pkgs/tools/system/gptfdisk/default.nix b/pkgs/tools/system/gptfdisk/default.nix
index 93dfab9a1a4..0fe4cbc986c 100644
--- a/pkgs/tools/system/gptfdisk/default.nix
+++ b/pkgs/tools/system/gptfdisk/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "A set of text-mode partitioning tools for Globally Unique Identifier (GUID) Partition Table (GPT) disks";
 
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
 
     homepage = http://www.rodsbooks.com/gdisk/;
 
@@ -32,4 +32,3 @@ stdenv.mkDerivation rec {
     platforms = stdenv.lib.platforms.linux;
   };
 }
-
diff --git a/pkgs/tools/system/gt5/default.nix b/pkgs/tools/system/gt5/default.nix
index ab682c60921..ea121b0e43c 100644
--- a/pkgs/tools/system/gt5/default.nix
+++ b/pkgs/tools/system/gt5/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "A diff-capable 'du' browser";
     homepage = http://gt5.sourceforge.net/;
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
     maintainers = with stdenv.lib.maintainers; [viric];
     platforms = with stdenv.lib.platforms; linux;
   };
diff --git a/pkgs/tools/system/idle3tools/default.nix b/pkgs/tools/system/idle3tools/default.nix
index 1325b52b380..d1631776d39 100644
--- a/pkgs/tools/system/idle3tools/default.nix
+++ b/pkgs/tools/system/idle3tools/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation {
   meta = {
     homepage = http://idle3-tools.sourceforge.net/;
     description = "Tool to get/set the infamous idle3 timer in WD HDDs";
-    license = "GPLv3";
+    license = stdenv.lib.licenses.gpl3;
     maintainers = with stdenv.lib.maintainers; [viric];
     platforms = with stdenv.lib.platforms; linux;
   };
diff --git a/pkgs/tools/system/logcheck/default.nix b/pkgs/tools/system/logcheck/default.nix
index 208ff837b34..88c9a4eecd1 100644
--- a/pkgs/tools/system/logcheck/default.nix
+++ b/pkgs/tools/system/logcheck/default.nix
@@ -37,7 +37,7 @@ stdenv.mkDerivation rec {
       Logcheck was part of the Abacus Project of security tools, but this version has been rewritten.
     '';
     homepage = http://logcheck.org;
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
 
     maintainers = [ stdenv.lib.maintainers.bluescreen303 ];
     platforms = stdenv.lib.platforms.all;
diff --git a/pkgs/tools/system/logrotate/default.nix b/pkgs/tools/system/logrotate/default.nix
index b6234009602..964ee217108 100644
--- a/pkgs/tools/system/logrotate/default.nix
+++ b/pkgs/tools/system/logrotate/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = https://fedorahosted.org/releases/l/o/logrotate/;
     description = "Rotates and compresses system logs";
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
     maintainers = [ stdenv.lib.maintainers.viric ];
     platforms = stdenv.lib.platforms.all;
   };
diff --git a/pkgs/tools/system/mcron/default.nix b/pkgs/tools/system/mcron/default.nix
index 2b4f28fa868..4bf95895996 100644
--- a/pkgs/tools/system/mcron/default.nix
+++ b/pkgs/tools/system/mcron/default.nix
@@ -27,6 +27,6 @@ stdenv.mkDerivation rec {
 
     homepage = http://www.gnu.org/software/mcron/;
 
-    license = "GPLv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
   };
 }
diff --git a/pkgs/tools/system/rsyslog/default.nix b/pkgs/tools/system/rsyslog/default.nix
index 3fe05e941b6..d18c2737854 100644
--- a/pkgs/tools/system/rsyslog/default.nix
+++ b/pkgs/tools/system/rsyslog/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation {
   meta = {
     homepage = "http://www.rsyslog.com/";
     description = "Enhanced syslog implementation";
-    license = "GPLv3";
+    license = stdenv.lib.licenses.gpl3;
     platforms = stdenv.lib.platforms.linux;
   };
 }
diff --git a/pkgs/tools/system/safecopy/default.nix b/pkgs/tools/system/safecopy/default.nix
index a6a5fced879..304d8f21eb2 100644
--- a/pkgs/tools/system/safecopy/default.nix
+++ b/pkgs/tools/system/safecopy/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
 
     homepage = http://safecopy.sourceforge.net;
 
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
 
     platforms = stdenv.lib.platforms.all;
     maintainers = [ stdenv.lib.maintainers.bluescreen303 ];
diff --git a/pkgs/tools/system/storebrowse/default.nix b/pkgs/tools/system/storebrowse/default.nix
index ccb0f26e435..041dd96e1ca 100644
--- a/pkgs/tools/system/storebrowse/default.nix
+++ b/pkgs/tools/system/storebrowse/default.nix
@@ -40,6 +40,6 @@ stdenv.mkDerivation rec {
 
   meta = {
     homepage = http://viric.name/cgi-bin/storebrowse;
-    license = "AGPLv3+";
+    license = stdenv.lib.licenses.agpl3Plus;
   };
 }
diff --git a/pkgs/tools/system/syslog-ng/default.nix b/pkgs/tools/system/syslog-ng/default.nix
index 9102482d3d6..89bf0688651 100644
--- a/pkgs/tools/system/syslog-ng/default.nix
+++ b/pkgs/tools/system/syslog-ng/default.nix
@@ -19,6 +19,6 @@ stdenv.mkDerivation {
   meta = {
     homepage = "http://www.balabit.com/network-security/syslog-ng/";
     description = "Next-generation syslogd with advanced networking and filtering capabilities";
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
   };
 }
diff --git a/pkgs/tools/system/tree/default.nix b/pkgs/tools/system/tree/default.nix
index afb6073b539..f14d4affae7 100644
--- a/pkgs/tools/system/tree/default.nix
+++ b/pkgs/tools/system/tree/default.nix
@@ -43,7 +43,7 @@ stdenv.mkDerivation {
   meta = {
     homepage = "http://mama.indstate.edu/users/ice/tree/";
     description = "command to produce a depth indented directory listing";
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
 
     longDescription = ''
       Tree is a recursive directory listing command that produces a
diff --git a/pkgs/tools/text/catdoc/default.nix b/pkgs/tools/text/catdoc/default.nix
index e056af26877..2865e5b3482 100644
--- a/pkgs/tools/text/catdoc/default.nix
+++ b/pkgs/tools/text/catdoc/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
   meta = with stdenv.lib; {
     description = "MS-Word/Excel/PowerPoint to text converter";
     platforms = platforms.all;
-    license = "GPL2";
+    license = stdenv.lib.licenses.gpl2;
     maintainers = [ maintainers.urkud ];
   };
 }
diff --git a/pkgs/tools/text/convertlit/default.nix b/pkgs/tools/text/convertlit/default.nix
index 05494e54a3e..aaa458b05cb 100644
--- a/pkgs/tools/text/convertlit/default.nix
+++ b/pkgs/tools/text/convertlit/default.nix
@@ -28,6 +28,6 @@ stdenv.mkDerivation {
   meta = {
     homepage = http://www.convertlit.com/;
     description = "A tool for converting Microsoft Reader ebooks to more open formats";
-    license = "GPL";
+    license = stdenv.lib.licenses.gpl2;
   };
 }
diff --git a/pkgs/tools/text/dos2unix/default.nix b/pkgs/tools/text/dos2unix/default.nix
index dc61723e597..a87901eb5eb 100644
--- a/pkgs/tools/text/dos2unix/default.nix
+++ b/pkgs/tools/text/dos2unix/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation {
   meta = {
     homepage = http://waterlan.home.xs4all.nl/dos2unix.html;
     description = "Tools to transform text files from dos to unix formats and vicervesa";
-    license = "BSD";
+    license = stdenv.lib.licenses.bsd2;
     maintainers = with stdenv.lib.maintainers; [viric];
     platforms = with stdenv.lib.platforms; all;
   };
diff --git a/pkgs/tools/text/enca/default.nix b/pkgs/tools/text/enca/default.nix
index 23223572bb2..14014d06052 100644
--- a/pkgs/tools/text/enca/default.nix
+++ b/pkgs/tools/text/enca/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
         Unicode variants, independently on language.
     '';
 
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
 
     platforms = stdenv.lib.platforms.all;
   };
diff --git a/pkgs/tools/text/enscript/default.nix b/pkgs/tools/text/enscript/default.nix
index 156ff7aea6b..fe11ec59246 100644
--- a/pkgs/tools/text/enscript/default.nix
+++ b/pkgs/tools/text/enscript/default.nix
@@ -33,7 +33,7 @@ stdenv.mkDerivation rec {
          it has many options that can be used to customize printouts.
       '';
 
-    license = "GPLv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
 
     homepage = http://www.gnu.org/software/enscript/;
 
diff --git a/pkgs/tools/text/gawk/default.nix b/pkgs/tools/text/gawk/default.nix
index f2db91d3036..8866888a736 100644
--- a/pkgs/tools/text/gawk/default.nix
+++ b/pkgs/tools/text/gawk/default.nix
@@ -38,7 +38,7 @@ stdenv.mkDerivation rec {
       lines of code.
     '';
 
-    license = "GPLv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
 
     maintainers = [ stdenv.lib.maintainers.ludo ];
   };
diff --git a/pkgs/tools/text/gnugrep/default.nix b/pkgs/tools/text/gnugrep/default.nix
index bdf19161e43..6e83bd357b2 100644
--- a/pkgs/tools/text/gnugrep/default.nix
+++ b/pkgs/tools/text/gnugrep/default.nix
@@ -35,7 +35,7 @@ stdenv.mkDerivation {
       prints the matching lines.
     '';
 
-    license = "GPLv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
 
     maintainers = [ ];
     platforms = stdenv.lib.platforms.all;
diff --git a/pkgs/tools/text/gnupatch/default.nix b/pkgs/tools/text/gnupatch/default.nix
index 1ad40a4a5fa..7b38227cfcc 100644
--- a/pkgs/tools/text/gnupatch/default.nix
+++ b/pkgs/tools/text/gnupatch/default.nix
@@ -29,7 +29,7 @@ stdenv.mkDerivation rec {
 
     homepage = http://savannah.gnu.org/projects/patch;
 
-    license = "GPLv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
 
     maintainers = [ ];
     platforms = stdenv.lib.platforms.all;
diff --git a/pkgs/tools/text/gnused/default.nix b/pkgs/tools/text/gnused/default.nix
index cf30169acef..b1c5910029d 100644
--- a/pkgs/tools/text/gnused/default.nix
+++ b/pkgs/tools/text/gnused/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation {
       multiple occurrences of a string within a file.
     '';
 
-    license = "GPLv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
 
     platforms = stdenv.lib.platforms.all;
     maintainers = [ ];
diff --git a/pkgs/tools/text/groff/default.nix b/pkgs/tools/text/groff/default.nix
index f4d3169f2fa..97cc3c61173 100644
--- a/pkgs/tools/text/groff/default.nix
+++ b/pkgs/tools/text/groff/default.nix
@@ -31,7 +31,7 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = "http://www.gnu.org/software/groff/";
     description = "GNU Troff, a typesetting package that reads plain text and produces formatted output";
-    license = "GPLv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
     platforms = stdenv.lib.platforms.all;
 
     longDescription = ''
diff --git a/pkgs/tools/text/html-tidy/default.nix b/pkgs/tools/text/html-tidy/default.nix
index ea06a625550..247cb67da56 100644
--- a/pkgs/tools/text/html-tidy/default.nix
+++ b/pkgs/tools/text/html-tidy/default.nix
@@ -32,7 +32,7 @@ let date = "2009-07-04"; in
         used to validate and fix HTML data.
       '';
 
-      license = "MIT";
+      license = stdenv.lib.licenses.mit;
 
       homepage = http://tidy.sourceforge.net/;
 
diff --git a/pkgs/tools/text/kdiff3/default.nix b/pkgs/tools/text/kdiff3/default.nix
index 52781ed3792..eeac7b7f63f 100644
--- a/pkgs/tools/text/kdiff3/default.nix
+++ b/pkgs/tools/text/kdiff3/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     homepage = http://kdiff3.sourceforge.net/;
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
     description = "Compares and merges 2 or 3 files or directories";
     maintainers = with stdenv.lib.maintainers; [viric urkud];
     platforms = with stdenv.lib.platforms; linux;
diff --git a/pkgs/tools/text/mairix/default.nix b/pkgs/tools/text/mairix/default.nix
index 551d0b9f74a..97fcd062984 100644
--- a/pkgs/tools/text/mairix/default.nix
+++ b/pkgs/tools/text/mairix/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     homepage = http://www.rc0.org.uk/mairix;
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
     description = "Program for indexing and searching email messages stored in maildir, MH or mbox";
     maintainers = with stdenv.lib.maintainers; [viric];
     platforms = with stdenv.lib.platforms; all;
diff --git a/pkgs/tools/text/multitran/data/default.nix b/pkgs/tools/text/multitran/data/default.nix
index dbf13a6332b..d0e39add665 100644
--- a/pkgs/tools/text/multitran/data/default.nix
+++ b/pkgs/tools/text/multitran/data/default.nix
@@ -19,6 +19,6 @@ stdenv.mkDerivation {
   meta = {
     homepage = http://multitran.sourceforge.net/;
     description = "Multitran data english-russian";
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
   };
 }
diff --git a/pkgs/tools/text/multitran/libbtree/default.nix b/pkgs/tools/text/multitran/libbtree/default.nix
index 45dcf922d8e..3abe03b2a4e 100644
--- a/pkgs/tools/text/multitran/libbtree/default.nix
+++ b/pkgs/tools/text/multitran/libbtree/default.nix
@@ -13,6 +13,6 @@ stdenv.mkDerivation {
   meta = {
     homepage = http://multitran.sourceforge.net/;
     description = "Multitran lib: library for reading Multitran's BTREE database format";
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
   };
 }
diff --git a/pkgs/tools/text/multitran/libfacet/default.nix b/pkgs/tools/text/multitran/libfacet/default.nix
index 6dab8f86c32..0f5032c4a17 100644
--- a/pkgs/tools/text/multitran/libfacet/default.nix
+++ b/pkgs/tools/text/multitran/libfacet/default.nix
@@ -19,6 +19,6 @@ stdenv.mkDerivation {
   meta = {
     homepage = http://multitran.sourceforge.net/;
     description = "Multitran lib: enchanced locale facets";
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
   };
 }
diff --git a/pkgs/tools/text/multitran/libmtquery/default.nix b/pkgs/tools/text/multitran/libmtquery/default.nix
index fe3e3b7317d..b3e5f12407d 100644
--- a/pkgs/tools/text/multitran/libmtquery/default.nix
+++ b/pkgs/tools/text/multitran/libmtquery/default.nix
@@ -21,6 +21,6 @@ stdenv.mkDerivation {
   meta = {
     homepage = http://multitran.sourceforge.net/;
     description = "Multitran lib: main engine to query translations";
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
   };
 }
diff --git a/pkgs/tools/text/multitran/libmtsupport/default.nix b/pkgs/tools/text/multitran/libmtsupport/default.nix
index 3c77b50bee8..e73ba43791a 100644
--- a/pkgs/tools/text/multitran/libmtsupport/default.nix
+++ b/pkgs/tools/text/multitran/libmtsupport/default.nix
@@ -13,6 +13,6 @@ stdenv.mkDerivation {
   meta = {
     homepage = http://multitran.sourceforge.net/;
     description = "Multitran lib: basic useful functions";
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
   };
 }
diff --git a/pkgs/tools/text/multitran/mtutils/default.nix b/pkgs/tools/text/multitran/mtutils/default.nix
index fb3856176d9..b03b1b110c4 100644
--- a/pkgs/tools/text/multitran/mtutils/default.nix
+++ b/pkgs/tools/text/multitran/mtutils/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation {
   meta = {
     homepage = http://multitran.sourceforge.net/;
     description = "Multitran: simple command line utilities for dictionary maintainance";
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
     maintainers = with stdenv.lib.maintainers; [viric];
     platforms = with stdenv.lib.platforms; linux;
   };
diff --git a/pkgs/tools/text/namazu/default.nix b/pkgs/tools/text/namazu/default.nix
index 21024c4aaad..fba52b69fba 100644
--- a/pkgs/tools/text/namazu/default.nix
+++ b/pkgs/tools/text/namazu/default.nix
@@ -35,7 +35,7 @@ stdenv.mkDerivation rec {
       but also as a personal search system for email or other files.
     '';
 
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
     homepage = http://namazu.org/;
 
     platforms = stdenv.lib.platforms.gnu;  # arbitrary choice
diff --git a/pkgs/tools/text/qshowdiff/default.nix b/pkgs/tools/text/qshowdiff/default.nix
index 7c76c7f1bca..a2d6e360a37 100644
--- a/pkgs/tools/text/qshowdiff/default.nix
+++ b/pkgs/tools/text/qshowdiff/default.nix
@@ -18,6 +18,6 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = http://qshowdiff.danfis.cz/;
     description = "Colourful diff viewer";
-    license = "GPLv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
   };
 }
diff --git a/pkgs/tools/text/sgml/openjade/default.nix b/pkgs/tools/text/sgml/openjade/default.nix
index fc7ee9f6f06..a2920345afa 100644
--- a/pkgs/tools/text/sgml/openjade/default.nix
+++ b/pkgs/tools/text/sgml/openjade/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "An implementation of DSSSL, an ISO standard for formatting SGML (and XML) documents";
-    license = "BSD";
+    license = stdenv.lib.licenses.mit;
     homepage = http://openjade.sourceforge.net/;
   };
 }
diff --git a/pkgs/tools/text/sgml/opensp/default.nix b/pkgs/tools/text/sgml/opensp/default.nix
index e30567000dd..59b9b7bc13d 100644
--- a/pkgs/tools/text/sgml/opensp/default.nix
+++ b/pkgs/tools/text/sgml/opensp/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation {
 
   meta = {
     description = "A suite of SGML/XML processing tools";
-    license = "BSD";
+    license = stdenv.lib.licenses.mit;
     homepage = http://openjade.sourceforge.net/;
   };
 }
diff --git a/pkgs/tools/text/source-highlight/default.nix b/pkgs/tools/text/source-highlight/default.nix
index 21a866cf87e..a7d1ddb0f3b 100644
--- a/pkgs/tools/text/source-highlight/default.nix
+++ b/pkgs/tools/text/source-highlight/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation {
   meta = {
     description = "Source code renderer with syntax highlighting";
     homepage = http://www.gnu.org/software/src-highlite/;
-    license = "GPLv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
     platforms = stdenv.lib.platforms.linux;
     longDescription =
       ''
diff --git a/pkgs/tools/text/uni2ascii/default.nix b/pkgs/tools/text/uni2ascii/default.nix
index c81e02b4399..9e62b2b3d59 100644
--- a/pkgs/tools/text/uni2ascii/default.nix
+++ b/pkgs/tools/text/uni2ascii/default.nix
@@ -8,7 +8,7 @@ stdenv.mkDerivation rec {
   };
 
   meta = {
-    license = "GPLv3";
+    license = stdenv.lib.licenses.gpl3;
     homepage = http://billposer.org/Software/uni2ascii.html;
     description = "Converts between UTF-8 and many 7-bit ASCII equivalents and back";
 
diff --git a/pkgs/tools/text/wdiff/default.nix b/pkgs/tools/text/wdiff/default.nix
index 3981f67aefb..e6fc3510cd4 100644
--- a/pkgs/tools/text/wdiff/default.nix
+++ b/pkgs/tools/text/wdiff/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = http://www.gnu.org/software/wdiff/;
     description = "GNU wdiff, comparing files on a word by word basis";
-    license = "GPLv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
     maintainers = [ stdenv.lib.maintainers.eelco ];
     platforms = stdenv.lib.platforms.linux;
   };
diff --git a/pkgs/tools/text/xml/html-xml-utils/default.nix b/pkgs/tools/text/xml/html-xml-utils/default.nix
index b8f2f4696ae..fd5a5dc5f8e 100644
--- a/pkgs/tools/text/xml/html-xml-utils/default.nix
+++ b/pkgs/tools/text/xml/html-xml-utils/default.nix
@@ -14,6 +14,6 @@ stdenv.mkDerivation rec {
   meta = {
     description = "Utilities for manipulating HTML and XML files";
     homepage = http://www.w3.org/Tools/HTML-XML-utils/;
-    license = "free-non-copyleft";
+    license = "free-non-copyleft"; #TODO W3C
   };
 }
diff --git a/pkgs/tools/text/xml/rxp/default.nix b/pkgs/tools/text/xml/rxp/default.nix
index ee66cf92377..6ec9758ed3a 100644
--- a/pkgs/tools/text/xml/rxp/default.nix
+++ b/pkgs/tools/text/xml/rxp/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation {
     cp rxp $out/bin
   '';
   meta = {
-    license = "GPL";
+    license = stdenv.lib.licenses.gpl2Plus;
     description = "a validating XML parser written in C";
     homepage = "http://www.cogsci.ed.ac.uk/~richard/rxp.html";
   };
diff --git a/pkgs/tools/text/xml/xmlstarlet/default.nix b/pkgs/tools/text/xml/xmlstarlet/default.nix
index db7ebfbb77a..aea3ab2bd96 100644
--- a/pkgs/tools/text/xml/xmlstarlet/default.nix
+++ b/pkgs/tools/text/xml/xmlstarlet/default.nix
@@ -26,6 +26,6 @@ stdenv.mkDerivation rec {
   meta = {
     description = "A command line tool for manipulating and querying XML data";
     homepage = http://xmlstar.sourceforge.net/;
-    license = "bsd";
+    license = stdenv.lib.licenses.mit;
   };
 }
diff --git a/pkgs/tools/typesetting/docbook2x/default.nix b/pkgs/tools/typesetting/docbook2x/default.nix
index d7d3f6f92a2..78dac0c6aa4 100644
--- a/pkgs/tools/typesetting/docbook2x/default.nix
+++ b/pkgs/tools/typesetting/docbook2x/default.nix
@@ -52,7 +52,7 @@ stdenv.mkDerivation rec {
       into the traditional Unix man page format and the GNU Texinfo
       format.
     '';
-    license = "MIT-style";
+    license = stdenv.lib.licenses.mit;
     homepage = http://docbook2x.sourceforge.net/;
   };
 }
diff --git a/pkgs/tools/typesetting/halibut/default.nix b/pkgs/tools/typesetting/halibut/default.nix
index 5a2c5fb2e06..48d1ebfc276 100644
--- a/pkgs/tools/typesetting/halibut/default.nix
+++ b/pkgs/tools/typesetting/halibut/default.nix
@@ -27,6 +27,6 @@ stdenv.mkDerivation {
   meta = {
     description = "Documentation production system for software manuals";
     homepage = http://www.chiark.greenend.org.uk/~sgtatham/halibut/;
-    license = "free";
+    license = stdenv.lib.licenses.mit;
   };
 }
diff --git a/pkgs/tools/typesetting/lhs2tex/default.nix b/pkgs/tools/typesetting/lhs2tex/default.nix
index ce531a92022..35e609b440a 100644
--- a/pkgs/tools/typesetting/lhs2tex/default.nix
+++ b/pkgs/tools/typesetting/lhs2tex/default.nix
@@ -18,7 +18,7 @@ cabal.mkDerivation (self: {
   meta = {
     homepage = "http://www.andres-loeh.de/lhs2tex/";
     description = "Preprocessor for typesetting Haskell sources with LaTeX";
-    license = "GPL";
+    license = self.stdenv.lib.licenses.gpl2;
     platforms = self.ghc.meta.platforms;
     hydraPlatforms = self.stdenv.lib.platforms.linux;
     maintainers = [ self.stdenv.lib.maintainers.andres ];
diff --git a/pkgs/tools/typesetting/lout/default.nix b/pkgs/tools/typesetting/lout/default.nix
index 61e94d4d618..c0fc4336297 100644
--- a/pkgs/tools/typesetting/lout/default.nix
+++ b/pkgs/tools/typesetting/lout/default.nix
@@ -44,7 +44,7 @@ stdenv.mkDerivation rec {
     # Wiki: http://lout.wiki.sourceforge.net/
     homepage = http://savannah.nongnu.org/projects/lout/;
 
-    license = "GPLv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
 
     platforms = stdenv.lib.platforms.all;
     maintainers = [ stdenv.lib.maintainers.ludo ];
diff --git a/pkgs/tools/typesetting/pdftk/default.nix b/pkgs/tools/typesetting/pdftk/default.nix
index 28a43e69598..c71bc3ba77c 100644
--- a/pkgs/tools/typesetting/pdftk/default.nix
+++ b/pkgs/tools/typesetting/pdftk/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation {
   meta = {
     description = "Simple tool for doing everyday things with PDF documents";
     homepage = http://www.accesspdf.com/pdftk/;
-    license = "free";
+    license = stdenv.lib.licenses.gpl2;
     maintainers = with stdenv.lib.maintainers; [viric];
     platforms = with stdenv.lib.platforms; linux;
   };
diff --git a/pkgs/tools/typesetting/rubber/default.nix b/pkgs/tools/typesetting/rubber/default.nix
index 054632533a1..8344735606c 100644
--- a/pkgs/tools/typesetting/rubber/default.nix
+++ b/pkgs/tools/typesetting/rubber/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
       of pdfLaTeX to produce PDF documents.
     '';
 
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
 
     homepage = http://www.pps.jussieu.fr/~beffara/soft/rubber/;
   };
diff --git a/pkgs/tools/typesetting/tex/dblatex/default.nix b/pkgs/tools/typesetting/tex/dblatex/default.nix
index 6993158291c..a68ab2d01b9 100644
--- a/pkgs/tools/typesetting/tex/dblatex/default.nix
+++ b/pkgs/tools/typesetting/tex/dblatex/default.nix
@@ -55,6 +55,6 @@ stdenv.mkDerivation rec {
   meta = {
     description = "A program to convert DocBook to DVI, PostScript or PDF via LaTeX or ConTeXt";
     homepage = http://dblatex.sourceforge.net/;
-    license = "GPL";
+    license = stdenv.lib.licenses.gpl2Plus;
   };
 }
diff --git a/pkgs/tools/typesetting/tex/tex4ht/default.nix b/pkgs/tools/typesetting/tex/tex4ht/default.nix
index f903ef5792f..69d02a275b3 100644
--- a/pkgs/tools/typesetting/tex/tex4ht/default.nix
+++ b/pkgs/tools/typesetting/tex/tex4ht/default.nix
@@ -30,6 +30,6 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = "http://tug.org/tex4ht/";
     description = "a system to convert (La)TeX documents to HTML and various other formats";
-    license = "LPPL";		# LaTeX Project Public License
+    license = "LPPL-1.2";		# LaTeX Project Public License
   };
 }
diff --git a/pkgs/tools/typesetting/tex/texlive/default.nix b/pkgs/tools/typesetting/tex/texlive/default.nix
index 94d84fec4ce..b5589cf943b 100644
--- a/pkgs/tools/typesetting/tex/texlive/default.nix
+++ b/pkgs/tools/typesetting/tex/texlive/default.nix
@@ -5,16 +5,16 @@ rec {
     sha256 = "0nh8hfayyf60nm4z8zyclrbc3792c62azgsvrwxnl28iq223200s";
   };
 
-  texmfVersion = "2014.20140626";
+  texmfVersion = "2014.20140717";
   texmfSrc = fetchurl {
     url = "mirror://debian/pool/main/t/texlive-base/texlive-base_${texmfVersion}.orig.tar.xz";
-    sha256 = "1zimavr8nid6425i2k3i34a7xl45lskvsnp55q526i8y6f3zlw3g";
+    sha256 = "08vhl6x742r8fl0gags2r6yspz8ynvz26vdjrqb4vyz5h7h3rzc9";
   };
 
-  langTexmfVersion = "2014.20140626";
+  langTexmfVersion = "2014.20140717";
   langTexmfSrc = fetchurl {
     url = "mirror://debian/pool/main/t/texlive-lang/texlive-lang_${langTexmfVersion}.orig.tar.xz";
-    sha256 = "0gwms9jj8x2hp8fbqx420lvzccx3s6wlif7afp176y7ja9i3s17r";
+    sha256 = "1x9aa3v2cg4lcb58lwksnfdsgrhi0sg968pjqsbndmbxhr1msbp7";
   };
 
   passthru = { inherit texmfSrc langTexmfSrc; };
@@ -120,7 +120,7 @@ rec {
 
   configureFlags = [ "--with-x11" "--enable-ipc" "--with-mktexfmt"
     "--enable-shared" "--disable-native-texlive-build" "--with-system-zziplib"
-    "--with-system-libgs" "--with-system-t1lib" "--with-system-freetype2" 
+    "--with-system-libgs" "--with-system-t1lib" "--with-system-freetype2"
     "--with-system-freetype=no" "--disable-ttf2pk" "--enable-ttf2pk2" ]
     ++ stdenv.lib.optionals stdenv.isDarwin [
       # TODO: We should be able to fix these tests
diff --git a/pkgs/tools/typesetting/tex/texlive/extra.nix b/pkgs/tools/typesetting/tex/texlive/extra.nix
index be280c5f483..4644ee3e50e 100644
--- a/pkgs/tools/typesetting/tex/texlive/extra.nix
+++ b/pkgs/tools/typesetting/tex/texlive/extra.nix
@@ -1,11 +1,11 @@
 args: with args;
 rec {
   name    = "texlive-extra-2014";
-  version = "2014.20140626";
+  version = "2014.20140717";
 
   src = fetchurl {
     url = "mirror://debian/pool/main/t/texlive-extra/texlive-extra_${version}.orig.tar.xz";
-    sha256 = "1n7n2vssdspzg95qrikl4p8cr6axdpj6bgv2l61px7vp837ma83v";
+    sha256 = "1khxqdq9gagm6z8kbpjbraysfzibfjs2cgbrhjpncbd24sxpw13q";
   };
 
   buildInputs = [texLive xz];
@@ -20,7 +20,7 @@ rec {
     description = "Extra components for TeXLive";
     maintainers = [ args.lib.maintainers.raskin ];
 
-    # Actually, arch-independent.. 
+    # Actually, arch-independent..
     hydraPlatforms = [];
   };
 }
diff --git a/pkgs/tools/typesetting/xmlto/default.nix b/pkgs/tools/typesetting/xmlto/default.nix
index bfc5efc7361..1b0602063e9 100644
--- a/pkgs/tools/typesetting/xmlto/default.nix
+++ b/pkgs/tools/typesetting/xmlto/default.nix
@@ -41,7 +41,7 @@ stdenv.mkDerivation rec {
       necessary post-processing.
     '';
 
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
     homepage = https://fedorahosted.org/xmlto/;
   };
 }
diff --git a/pkgs/tools/video/dvgrab/default.nix b/pkgs/tools/video/dvgrab/default.nix
index e4c8e99efdb..faaea6aaffc 100644
--- a/pkgs/tools/video/dvgrab/default.nix
+++ b/pkgs/tools/video/dvgrab/default.nix
@@ -27,7 +27,7 @@ stdenv.mkDerivation rec {
 
     homepage = http://kinodv.org/;
 
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
     platforms = stdenv.lib.platforms.gnu;
     maintainers = [ ];
   };
diff --git a/pkgs/tools/video/rtmpdump/default.nix b/pkgs/tools/video/rtmpdump/default.nix
index 2034331c8e0..156fac03d09 100644
--- a/pkgs/tools/video/rtmpdump/default.nix
+++ b/pkgs/tools/video/rtmpdump/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation {
   meta = {
     homepage = http://rtmpdump.mplayerhq.hu/;
     description = "Toolkit for RTMP streams";
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
     maintainers = with stdenv.lib.maintainers; [viric];
     platforms = with stdenv.lib.platforms; all;
   };
diff --git a/pkgs/tools/video/swfmill/default.nix b/pkgs/tools/video/swfmill/default.nix
index 8e7fbdaeaf3..0f3b5f4d39d 100644
--- a/pkgs/tools/video/swfmill/default.nix
+++ b/pkgs/tools/video/swfmill/default.nix
@@ -15,7 +15,6 @@ stdenv.mkDerivation rec {
   meta = {
     description = "An xml2swf and swf2xml processor with import functionalities";
     homepage = "http://swfmill.org";
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
   };
 }
-
diff --git a/pkgs/tools/video/swftools/default.nix b/pkgs/tools/video/swftools/default.nix
index 806a0b21096..0a658a23e1c 100644
--- a/pkgs/tools/video/swftools/default.nix
+++ b/pkgs/tools/video/swftools/default.nix
@@ -13,6 +13,6 @@ stdenv.mkDerivation {
   meta = { 
     description = "Collection of SWF manipulation and creation utilities";
     homepage = http://www.swftools.org/about.html;
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
   };
 }
diff --git a/pkgs/tools/virtualization/aws/default.nix b/pkgs/tools/virtualization/aws/default.nix
index 27f4ce4476f..123dbf647f0 100644
--- a/pkgs/tools/virtualization/aws/default.nix
+++ b/pkgs/tools/virtualization/aws/default.nix
@@ -22,6 +22,6 @@ stdenv.mkDerivation {
   meta = {
     homepage = http://www.timkay.com/aws/;
     description = "Command-line utility for working with Amazon EC2, S3, SQS, ELB, IAM and SDB";
-    license = "GPLv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
   };
 }
diff --git a/pkgs/tools/virtualization/ec2-ami-tools/default.nix b/pkgs/tools/virtualization/ec2-ami-tools/default.nix
index e9b62886fce..1f04229c2c8 100644
--- a/pkgs/tools/virtualization/ec2-ami-tools/default.nix
+++ b/pkgs/tools/virtualization/ec2-ami-tools/default.nix
@@ -36,7 +36,7 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = http://developer.amazonwebservices.com/connect/entry.jspa?externalID=368&categoryID=88;
     description = "Command-line tools to create and manage Amazon EC2 virtual machine images";
-    license = "unfree-redistributable";
+    license = "unfree-redistributable"; # Amazon || (Ruby GPL-2)
   };
 
 }
diff --git a/pkgs/tools/virtualization/ec2-api-tools/default.nix b/pkgs/tools/virtualization/ec2-api-tools/default.nix
index a80ad91c4c3..34cfa662c91 100644
--- a/pkgs/tools/virtualization/ec2-api-tools/default.nix
+++ b/pkgs/tools/virtualization/ec2-api-tools/default.nix
@@ -29,6 +29,6 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = http://developer.amazonwebservices.com/connect/entry.jspa?externalID=351;
     description = "Command-line tools to create and manage Amazon EC2 virtual machines";
-    license = "unfree-redistributable";
+    license = "unfree-redistributable"; #Amazon
   };
 }