summary refs log tree commit diff
path: root/pkgs/development
diff options
context:
space:
mode:
Diffstat (limited to 'pkgs/development')
-rw-r--r--pkgs/development/compilers/blackdown/blackdown-i686.nix2
-rw-r--r--pkgs/development/compilers/gcc-2.95/default.nix2
-rw-r--r--pkgs/development/compilers/gcc-3.3/default.nix2
-rw-r--r--pkgs/development/compilers/gcc-3.4/default.nix2
-rw-r--r--pkgs/development/compilers/gcc-static-3.4/default.nix2
-rw-r--r--pkgs/development/compilers/ghc/boot.nix2
-rw-r--r--pkgs/development/compilers/ghc/default.nix2
-rw-r--r--pkgs/development/compilers/gwydion-dylan/binary.nix2
-rw-r--r--pkgs/development/compilers/gwydion-dylan/default.nix2
-rw-r--r--pkgs/development/compilers/nasm/default.nix2
-rw-r--r--pkgs/development/compilers/ocaml/default.nix2
-rw-r--r--pkgs/development/interpreters/clisp/default.nix2
-rw-r--r--pkgs/development/interpreters/kaffe/default.nix2
-rw-r--r--pkgs/development/interpreters/octave/default.nix2
-rw-r--r--pkgs/development/interpreters/python/default.nix2
-rw-r--r--pkgs/development/libraries/SDL/default.nix2
-rw-r--r--pkgs/development/libraries/a52dec/default.nix2
-rw-r--r--pkgs/development/libraries/aterm/default.nix2
-rw-r--r--pkgs/development/libraries/audiofile/default.nix2
-rw-r--r--pkgs/development/libraries/boehm-gc/default.nix2
-rw-r--r--pkgs/development/libraries/chmlib/default.nix2
-rw-r--r--pkgs/development/libraries/db4/default.nix2
-rw-r--r--pkgs/development/libraries/expat/default.nix2
-rw-r--r--pkgs/development/libraries/freetype/default.nix2
-rw-r--r--pkgs/development/libraries/gettext/default.nix2
-rw-r--r--pkgs/development/libraries/glibc/default.nix4
-rw-r--r--pkgs/development/libraries/gnet/default.nix2
-rw-r--r--pkgs/development/libraries/gnome/GConf/default.nix2
-rw-r--r--pkgs/development/libraries/gnome/ORBit2/default.nix2
-rw-r--r--pkgs/development/libraries/gnome/esound/default.nix2
-rw-r--r--pkgs/development/libraries/gnome/gnome-mime-data/default.nix2
-rw-r--r--pkgs/development/libraries/gnome/gnome-vfs/default.nix2
-rw-r--r--pkgs/development/libraries/gnome/libIDL/default.nix2
-rw-r--r--pkgs/development/libraries/gnome/libart_lgpl/default.nix2
-rw-r--r--pkgs/development/libraries/gnome/libbonobo/default.nix2
-rw-r--r--pkgs/development/libraries/gnome/libbonoboui/default.nix2
-rw-r--r--pkgs/development/libraries/gnome/libglade/default.nix2
-rw-r--r--pkgs/development/libraries/gnome/libgnome/default.nix2
-rw-r--r--pkgs/development/libraries/gnome/libgnomecanvas/default.nix2
-rw-r--r--pkgs/development/libraries/gnome/libgnomeui/default.nix2
-rw-r--r--pkgs/development/libraries/gtk-libs-1.x/gdk-pixbuf/default.nix2
-rw-r--r--pkgs/development/libraries/gtk-libs-1.x/glib/default.nix2
-rw-r--r--pkgs/development/libraries/gtk-libs-1.x/gtk+/default.nix2
-rw-r--r--pkgs/development/libraries/gtk-libs-2.2/atk/default.nix2
-rw-r--r--pkgs/development/libraries/gtk-libs-2.2/glib/default.nix2
-rw-r--r--pkgs/development/libraries/gtk-libs-2.2/gtk+/default.nix2
-rw-r--r--pkgs/development/libraries/gtk-libs-2.2/pango/default.nix2
-rw-r--r--pkgs/development/libraries/gtk-libs-2.4/atk/default.nix2
-rw-r--r--pkgs/development/libraries/gtk-libs-2.4/glib/default.nix2
-rw-r--r--pkgs/development/libraries/gtk-libs-2.4/gtk+/default.nix2
-rw-r--r--pkgs/development/libraries/gtk-libs-2.4/pango/default.nix2
-rw-r--r--pkgs/development/libraries/java/aterm/default.nix2
-rw-r--r--pkgs/development/libraries/java/jjtraveler/default.nix2
-rw-r--r--pkgs/development/libraries/java/saxon/default.nix2
-rw-r--r--pkgs/development/libraries/java/saxon/default8.nix2
-rw-r--r--pkgs/development/libraries/java/shared-objects/default.nix2
-rw-r--r--pkgs/development/libraries/libcdaudio/default.nix2
-rw-r--r--pkgs/development/libraries/libdvdcss/default.nix2
-rw-r--r--pkgs/development/libraries/libdvdplay/default.nix2
-rw-r--r--pkgs/development/libraries/libdvdread/default.nix2
-rw-r--r--pkgs/development/libraries/libjpeg/default.nix2
-rw-r--r--pkgs/development/libraries/libmad/default.nix2
-rw-r--r--pkgs/development/libraries/libogg/default.nix2
-rw-r--r--pkgs/development/libraries/libpng/default.nix2
-rw-r--r--pkgs/development/libraries/libsigsegv/default.nix2
-rw-r--r--pkgs/development/libraries/libtiff/default.nix2
-rw-r--r--pkgs/development/libraries/libvorbis/default.nix2
-rw-r--r--pkgs/development/libraries/libxml2/default.nix2
-rw-r--r--pkgs/development/libraries/libxslt/default.nix2
-rw-r--r--pkgs/development/libraries/mesa/default.nix4
-rw-r--r--pkgs/development/libraries/mpeg2dec/default.nix2
-rw-r--r--pkgs/development/libraries/ncurses/default.nix2
-rw-r--r--pkgs/development/libraries/openssl/default.nix2
-rw-r--r--pkgs/development/libraries/pcre/default.nix2
-rw-r--r--pkgs/development/libraries/popt/default.nix2
-rw-r--r--pkgs/development/libraries/qt-3/default.nix2
-rw-r--r--pkgs/development/libraries/readline/default.nix2
-rw-r--r--pkgs/development/libraries/rte/default.nix2
-rw-r--r--pkgs/development/libraries/scrollkeeper/default.nix2
-rw-r--r--pkgs/development/libraries/wxGTK-2.5/default.nix2
-rw-r--r--pkgs/development/libraries/wxGTK/default.nix2
-rw-r--r--pkgs/development/libraries/xine-lib/default.nix2
-rw-r--r--pkgs/development/libraries/xlibs/fontconfig/default.nix2
-rw-r--r--pkgs/development/libraries/xlibs/libICE/default.nix2
-rw-r--r--pkgs/development/libraries/xlibs/libSM/default.nix2
-rw-r--r--pkgs/development/libraries/xlibs/libX11/default.nix2
-rw-r--r--pkgs/development/libraries/xlibs/libXau/default.nix2
-rw-r--r--pkgs/development/libraries/xlibs/libXaw/default.nix2
-rw-r--r--pkgs/development/libraries/xlibs/libXext/default.nix2
-rw-r--r--pkgs/development/libraries/xlibs/libXft/default.nix2
-rw-r--r--pkgs/development/libraries/xlibs/libXi/default.nix2
-rw-r--r--pkgs/development/libraries/xlibs/libXinerama/default.nix2
-rw-r--r--pkgs/development/libraries/xlibs/libXmu/default.nix2
-rw-r--r--pkgs/development/libraries/xlibs/libXpm/default.nix2
-rw-r--r--pkgs/development/libraries/xlibs/libXrender/default.nix2
-rw-r--r--pkgs/development/libraries/xlibs/libXtrans/default.nix2
-rw-r--r--pkgs/development/libraries/xlibs/libXv/default.nix2
-rw-r--r--pkgs/development/libraries/xlibs/panoramixext/default.nix2
-rw-r--r--pkgs/development/libraries/xlibs/renderext/default.nix2
-rw-r--r--pkgs/development/libraries/xlibs/xextensions/default.nix2
-rw-r--r--pkgs/development/libraries/xlibs/xproto/default.nix2
-rw-r--r--pkgs/development/libraries/zlib/default.nix2
-rw-r--r--pkgs/development/libraries/zvbi/default.nix2
-rw-r--r--pkgs/development/perl-modules/XML-Parser/default.nix2
-rw-r--r--pkgs/development/python-modules/wxPython-2.5/default.nix2
-rw-r--r--pkgs/development/python-modules/wxPython/default.nix2
-rw-r--r--pkgs/development/tools/build-managers/apache-ant/core-apache-ant-1.6.1.nix2
-rw-r--r--pkgs/development/tools/build-managers/apache-ant/core-apache-ant.nix2
-rw-r--r--pkgs/development/tools/build-managers/gnumake/default.nix2
-rw-r--r--pkgs/development/tools/documentation/xdoc/default.nix2
-rw-r--r--pkgs/development/tools/java/jclasslib/default.nix2
-rw-r--r--pkgs/development/tools/misc/autoconf/default.nix2
-rw-r--r--pkgs/development/tools/misc/automake/automake-1.7.9.nix2
-rw-r--r--pkgs/development/tools/misc/automake/automake-1.9.4.nix2
-rw-r--r--pkgs/development/tools/misc/binutils/default.nix2
-rw-r--r--pkgs/development/tools/misc/gnum4/default.nix2
-rw-r--r--pkgs/development/tools/misc/gperf/default.nix2
-rw-r--r--pkgs/development/tools/misc/libtool/default.nix2
-rw-r--r--pkgs/development/tools/misc/pkgconfig/default.nix2
-rw-r--r--pkgs/development/tools/misc/strace/default.nix2
-rw-r--r--pkgs/development/tools/misc/swig/default.nix2
-rw-r--r--pkgs/development/tools/misc/texinfo/default.nix2
-rw-r--r--pkgs/development/tools/misc/valgrind/default.nix2
-rw-r--r--pkgs/development/tools/parsing/asc-support/asc-support-1.8.nix2
-rw-r--r--pkgs/development/tools/parsing/asc-support/asc-support-1.9.nix2
-rw-r--r--pkgs/development/tools/parsing/asc-support/asc-support-2.0.nix2
-rw-r--r--pkgs/development/tools/parsing/asf-library/asf-library-1.0.nix2
-rw-r--r--pkgs/development/tools/parsing/asf-library/asf-library-1.1.nix2
-rw-r--r--pkgs/development/tools/parsing/asf-support/asf-support-1.2.nix2
-rw-r--r--pkgs/development/tools/parsing/asf-support/asf-support-1.3.nix2
-rw-r--r--pkgs/development/tools/parsing/asf-support/asf-support-1.4.nix2
-rw-r--r--pkgs/development/tools/parsing/bison/bison-new.nix2
-rw-r--r--pkgs/development/tools/parsing/bison/default.nix2
-rw-r--r--pkgs/development/tools/parsing/error-support/error-support-0.1.1.nix2
-rw-r--r--pkgs/development/tools/parsing/error-support/error-support-0.1.nix2
-rw-r--r--pkgs/development/tools/parsing/flex/default.nix2
-rw-r--r--pkgs/development/tools/parsing/flex/flex-new.nix2
-rw-r--r--pkgs/development/tools/parsing/happy/default.nix2
-rw-r--r--pkgs/development/tools/parsing/pgen/pgen-2.0.nix2
-rw-r--r--pkgs/development/tools/parsing/pgen/pgen-2.1.nix2
-rw-r--r--pkgs/development/tools/parsing/pgen/pgen-2.2.nix2
-rw-r--r--pkgs/development/tools/parsing/pt-support/pt-support-1.0.nix2
-rw-r--r--pkgs/development/tools/parsing/pt-support/pt-support-1.1.nix2
-rw-r--r--pkgs/development/tools/parsing/pt-support/pt-support-1.2.nix2
-rw-r--r--pkgs/development/tools/parsing/sdf-support/sdf-support-2.0.nix2
-rw-r--r--pkgs/development/tools/parsing/sdf-support/sdf-support-2.1.1.nix2
-rw-r--r--pkgs/development/tools/parsing/sdf-support/sdf-support-2.1.nix2
-rw-r--r--pkgs/development/tools/parsing/sglr/sglr-3.10.2.nix2
-rw-r--r--pkgs/development/tools/parsing/sglr/sglr-3.11.nix2
-rw-r--r--pkgs/development/tools/parsing/sglr/sglr-3.12.nix2
-rw-r--r--pkgs/development/tools/parsing/toolbuslib/toolbuslib-0.5.1.nix2
-rw-r--r--pkgs/development/tools/parsing/toolbuslib/toolbuslib-0.6.nix2
152 files changed, 154 insertions, 154 deletions
diff --git a/pkgs/development/compilers/blackdown/blackdown-i686.nix b/pkgs/development/compilers/blackdown/blackdown-i686.nix
index ac597cab615..b190be8334c 100644
--- a/pkgs/development/compilers/blackdown/blackdown-i686.nix
+++ b/pkgs/development/compilers/blackdown/blackdown-i686.nix
@@ -7,7 +7,7 @@ stdenv.mkDerivation {
   dirname = "j2sdk1.4.2";
   builder = ./builder.sh;
   src = fetchurl {
-    url = ftp://ftp.nluug.nl/pub/os/Linux/java/jdk/JDK-1.4.2/i386/rc1/j2sdk-1.4.2-rc1-linux-i586-gcc3.2.bin;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/j2sdk-1.4.2-rc1-linux-i586-gcc3.2.bin;
     md5 = "52ff3a059845ee8487faeaa7b0c157c8";
   };
 }
diff --git a/pkgs/development/compilers/gcc-2.95/default.nix b/pkgs/development/compilers/gcc-2.95/default.nix
index c95a9027758..ce5c56487fb 100644
--- a/pkgs/development/compilers/gcc-2.95/default.nix
+++ b/pkgs/development/compilers/gcc-2.95/default.nix
@@ -8,7 +8,7 @@ stdenv.mkDerivation {
   name = "gcc-2.95.3";
   builder = ./builder.sh;
   src = fetchurl {
-    url = ftp://ftp.gnu.org/pub/gnu/gcc/gcc-2.95.3.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/gcc-2.95.3.tar.gz;
     md5 = "f3ad4f32c2296fad758ed051b5ac8e28";
   };
   # !!! apply only if noSysDirs is set
diff --git a/pkgs/development/compilers/gcc-3.3/default.nix b/pkgs/development/compilers/gcc-3.3/default.nix
index 46b6a2d863e..18bae3528ed 100644
--- a/pkgs/development/compilers/gcc-3.3/default.nix
+++ b/pkgs/development/compilers/gcc-3.3/default.nix
@@ -8,7 +8,7 @@ stdenv.mkDerivation {
   name = "gcc-3.3.3";
   builder = ./builder.sh;
   src = fetchurl {
-    url = ftp://ftp.nluug.nl/mirror/languages/gcc/releases/gcc-3.3.3/gcc-3.3.3.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/gcc-3.3.3.tar.bz2;
     md5 = "3c6cfd9fcd180481063b4058cf6faff2";
   };
   inherit noSysDirs langC langCC langF77;
diff --git a/pkgs/development/compilers/gcc-3.4/default.nix b/pkgs/development/compilers/gcc-3.4/default.nix
index 16a27a37525..0d9df73a423 100644
--- a/pkgs/development/compilers/gcc-3.4/default.nix
+++ b/pkgs/development/compilers/gcc-3.4/default.nix
@@ -9,7 +9,7 @@ stdenv.mkDerivation {
   name = "gcc-3.4.3";
   builder = ./builder.sh;
   src = fetchurl {
-    url = ftp://ftp.nluug.nl/mirror/languages/gcc/releases/gcc-3.4.3/gcc-3.4.3.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/gcc-3.4.3.tar.bz2;
     md5 = "e744b30c834360fccac41eb7269a3011";
   };
   # !!! apply only if noSysDirs is set
diff --git a/pkgs/development/compilers/gcc-static-3.4/default.nix b/pkgs/development/compilers/gcc-static-3.4/default.nix
index 9699b521e67..4809e593fea 100644
--- a/pkgs/development/compilers/gcc-static-3.4/default.nix
+++ b/pkgs/development/compilers/gcc-static-3.4/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "gcc-static-3.4.2";
   builder = ./builder.sh;
   src = fetchurl {
-    url = ftp://ftp.nluug.nl/mirror/languages/gcc/releases/gcc-3.4.2/gcc-3.4.2.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/gcc-3.4.2.tar.bz2;
     md5 = "2fada3a3effd2fd791df09df1f1534b3";
   };
   # !!! apply only if noSysDirs is set
diff --git a/pkgs/development/compilers/ghc/boot.nix b/pkgs/development/compilers/ghc/boot.nix
index 956486390f2..8ba747bbf22 100644
--- a/pkgs/development/compilers/ghc/boot.nix
+++ b/pkgs/development/compilers/ghc/boot.nix
@@ -7,7 +7,7 @@ assert stdenv.system == "i686-linux";
 stdenv.mkDerivation {
   name = "ghc-6.2.1";
   src = fetchurl {
-    url = http://www.haskell.org/ghc/dist/6.2.1/ghc-6.2.1-i386-unknown-linux.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/ghc-6.2.1-i386-unknown-linux.tar.bz2;
     md5 = "48d9d6b9f7bf1f15d69e8bd732ee254c";
   };
   buildInputs = [perl];
diff --git a/pkgs/development/compilers/ghc/default.nix b/pkgs/development/compilers/ghc/default.nix
index c5f9ab7fb14..e23f98f47ea 100644
--- a/pkgs/development/compilers/ghc/default.nix
+++ b/pkgs/development/compilers/ghc/default.nix
@@ -5,7 +5,7 @@ assert perl != null && ghc != null && m4 != null;
 stdenv.mkDerivation {
   name = "ghc-6.2.1";
   src = fetchurl {
-    url = http://www.haskell.org/ghc/dist/6.2.1/ghc-6.2.1-src.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/ghc-6.2.1-src.tar.bz2;
     md5 = "fa9f90fd6b8852679c5fc16509e94d7a";
   };
   buildInputs = [perl ghc m4];
diff --git a/pkgs/development/compilers/gwydion-dylan/binary.nix b/pkgs/development/compilers/gwydion-dylan/binary.nix
index 0ac942d14b8..6e606c1abd1 100644
--- a/pkgs/development/compilers/gwydion-dylan/binary.nix
+++ b/pkgs/development/compilers/gwydion-dylan/binary.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "binary-gwydion-dylan-2.4.0";
   builder = ./binary-builder.sh;
   src = fetchurl {
-    url = http://www.gwydiondylan.org/downloads/binaries/linux/x86/tar/gwydion-dylan-2.4.0-x86-linux.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/gwydion-dylan-2.4.0-x86-linux.tar.gz;
     md5 = "52643ad51a455d21fd4d5bf82d98914c";
   };
 }
diff --git a/pkgs/development/compilers/gwydion-dylan/default.nix b/pkgs/development/compilers/gwydion-dylan/default.nix
index 7c00e65d7cc..7d9feba592b 100644
--- a/pkgs/development/compilers/gwydion-dylan/default.nix
+++ b/pkgs/development/compilers/gwydion-dylan/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "gwydion-dylan-2.4.0";
   builder = ./builder.sh;
   src = fetchurl {
-    url = http://www.gwydiondylan.org/downloads/src/tar/gwydion-dylan-2.4.0.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/gwydion-dylan-2.4.0.tar.gz;
     md5 = "7ed180bf4ef11e8e8da3bd78b45477a8";
   };
 
diff --git a/pkgs/development/compilers/nasm/default.nix b/pkgs/development/compilers/nasm/default.nix
index a68db7c6ef5..9415c36dfc0 100644
--- a/pkgs/development/compilers/nasm/default.nix
+++ b/pkgs/development/compilers/nasm/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "nasm-0.98.38";
   builder = ./builder.sh;
   src = fetchurl {
-    url = http://heanet.dl.sourceforge.net/sourceforge/nasm/nasm-0.98.38.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/nasm-0.98.38.tar.bz2;
     md5 = "9f682490c132b070d54e395cb6ee145e";
   };
 }
diff --git a/pkgs/development/compilers/ocaml/default.nix b/pkgs/development/compilers/ocaml/default.nix
index 448825720e0..f2850b7647b 100644
--- a/pkgs/development/compilers/ocaml/default.nix
+++ b/pkgs/development/compilers/ocaml/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "ocaml-3.08.0";
   builder = ./builder.sh;
   src = fetchurl {
-    url = http://caml.inria.fr/distrib/ocaml-3.08/ocaml-3.08.0.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/ocaml-3.08.0.tar.gz;
     md5 = "c6ef478362295c150101cdd2efcd38e0";
   };
   configureScript = ./configure;
diff --git a/pkgs/development/interpreters/clisp/default.nix b/pkgs/development/interpreters/clisp/default.nix
index 5a76d045dd4..051b0aa5523 100644
--- a/pkgs/development/interpreters/clisp/default.nix
+++ b/pkgs/development/interpreters/clisp/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "clisp-2.33.2";
   builder = ./builder.sh;
   src = fetchurl {
-    url = http://belnet.dl.sourceforge.net/sourceforge/clisp/clisp-2.33.2.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/clisp-2.33.2.tar.bz2;
     md5 = "ee4ea316db1e843dcb16094bf500012f";
   };
 
diff --git a/pkgs/development/interpreters/kaffe/default.nix b/pkgs/development/interpreters/kaffe/default.nix
index 6f7ba6c18e9..d4e5bf4e109 100644
--- a/pkgs/development/interpreters/kaffe/default.nix
+++ b/pkgs/development/interpreters/kaffe/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "kaffe-1.1.4";
   builder = ./builder.sh;
   src = fetchurl {
-    url = ftp://ftp.kaffe.org/pub/kaffe/v1.1.x-development/kaffe-1.1.4.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/kaffe-1.1.4.tar.gz;
     md5 = "94d6e7035ba68c2221dce68bb5b3f6e9";
   };
   inherit jikes alsaLib;
diff --git a/pkgs/development/interpreters/octave/default.nix b/pkgs/development/interpreters/octave/default.nix
index a026d7b843b..2a891b4dbab 100644
--- a/pkgs/development/interpreters/octave/default.nix
+++ b/pkgs/development/interpreters/octave/default.nix
@@ -6,7 +6,7 @@ assert g77.langF77;
 stdenv.mkDerivation {
   name = "octave-2.1.64";
   src = fetchurl {
-    url = ftp://ftp.octave.org/pub/octave/bleeding-edge/octave-2.1.64.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/octave-2.1.64.tar.bz2;
     md5 = "01ec8b13bd850123b190129be93adc1f";
   };
   buildInputs = [g77 readline ncurses perl];
diff --git a/pkgs/development/interpreters/python/default.nix b/pkgs/development/interpreters/python/default.nix
index 9e6236892b5..f8035598247 100644
--- a/pkgs/development/interpreters/python/default.nix
+++ b/pkgs/development/interpreters/python/default.nix
@@ -5,7 +5,7 @@ assert zlibSupport -> zlib != null;
 stdenv.mkDerivation {
   name = "python-2.3.4";
   src = fetchurl {
-    url = http://www.python.org/ftp/python/2.3.4/Python-2.3.4.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/Python-2.3.4.tar.bz2;
     md5 = "a2c089faa2726c142419c03472fc4063";
   };
   buildInputs = [
diff --git a/pkgs/development/libraries/SDL/default.nix b/pkgs/development/libraries/SDL/default.nix
index 4bb1cdf8ffb..02d8a98801e 100644
--- a/pkgs/development/libraries/SDL/default.nix
+++ b/pkgs/development/libraries/SDL/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "SDL-1.2.7";
   src = fetchurl {
-    url = http://www.libsdl.org/release/SDL-1.2.7.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/SDL-1.2.7.tar.gz;
     md5 = "d29b34b6ba3ed213893fc9d8d35e357a";
   };
   buildInputs = [x11];
diff --git a/pkgs/development/libraries/a52dec/default.nix b/pkgs/development/libraries/a52dec/default.nix
index 4a75e11ec30..95dec16587f 100644
--- a/pkgs/development/libraries/a52dec/default.nix
+++ b/pkgs/development/libraries/a52dec/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "a52dec-0.7.4";
   src = fetchurl {
-    url = http://liba52.sourceforge.net/files/a52dec-0.7.4.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/a52dec-0.7.4.tar.gz;
     md5 = "caa9f5bc44232dc8aeea773fea56be80";
   };
 }
diff --git a/pkgs/development/libraries/aterm/default.nix b/pkgs/development/libraries/aterm/default.nix
index 5b863bf1d03..530b68da133 100644
--- a/pkgs/development/libraries/aterm/default.nix
+++ b/pkgs/development/libraries/aterm/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation {
   configureFlags = "--with-gcc";
 
   src = fetchurl {
-    url = http://www.cwi.nl/projects/MetaEnv/aterm/aterm-2.3.1.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/aterm-2.3.1.tar.gz;
     md5 = "5a2d70acc45a9d301e0dba12fcaf77e7";
   };
 }
diff --git a/pkgs/development/libraries/audiofile/default.nix b/pkgs/development/libraries/audiofile/default.nix
index 7dc7b7c6c14..d66b50a5540 100644
--- a/pkgs/development/libraries/audiofile/default.nix
+++ b/pkgs/development/libraries/audiofile/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "audiofile-0.2.3";
   builder = ./builder.sh;
   src = fetchurl {
-    url = http://www.68k.org/~michael/audiofile/audiofile-0.2.5.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/audiofile-0.2.5.tar.gz;
     md5 = "fd07c62a17ceafa317929e55e51e26c5";
   };
 }
diff --git a/pkgs/development/libraries/boehm-gc/default.nix b/pkgs/development/libraries/boehm-gc/default.nix
index e72e68968da..68689952c56 100644
--- a/pkgs/development/libraries/boehm-gc/default.nix
+++ b/pkgs/development/libraries/boehm-gc/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "boehm-gc-6.3";
   src = fetchurl {
-    url = http://www.hpl.hp.com/personal/Hans_Boehm/gc/gc_source/gc6.3.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/gc6.3.tar.gz;
     md5 = "8b37ee18cbeb1dfd1866958e280db871";
   };
 }
diff --git a/pkgs/development/libraries/chmlib/default.nix b/pkgs/development/libraries/chmlib/default.nix
index 21ea6a49e3f..83551ea1826 100644
--- a/pkgs/development/libraries/chmlib/default.nix
+++ b/pkgs/development/libraries/chmlib/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "chmlib-0.33";
   builder = ./builder.sh;
   src = fetchurl {
-    url = http://66.93.236.84/~jedwin/projects/chmlib/chmlib-0.33.tbz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/chmlib-0.33.tbz;
     md5 = "8bc84e94f1cea65005e5cb0ab40e2e86";
   };
   buildInputs = [libtool];
diff --git a/pkgs/development/libraries/db4/default.nix b/pkgs/development/libraries/db4/default.nix
index 10a6781dc2e..b4756df9194 100644
--- a/pkgs/development/libraries/db4/default.nix
+++ b/pkgs/development/libraries/db4/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "db4-4.2.52";
   builder = ./builder.sh;
   src = fetchurl {
-    url = http://www.sleepycat.com/update/snapshot/db-4.2.52.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/db-4.2.52.tar.gz;
     md5 = "cbc77517c9278cdb47613ce8cb55779f";
   };
   configureFlags = [
diff --git a/pkgs/development/libraries/expat/default.nix b/pkgs/development/libraries/expat/default.nix
index 556b299e0da..75f2424a5d2 100644
--- a/pkgs/development/libraries/expat/default.nix
+++ b/pkgs/development/libraries/expat/default.nix
@@ -1,7 +1,7 @@
 {stdenv, fetchurl}: stdenv.mkDerivation {
   name = "expat-1.95.8";
   src = fetchurl {
-    url = http://heanet.dl.sourceforge.net/sourceforge/expat/expat-1.95.8.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/expat-1.95.8.tar.gz;
     md5 = "aff487543845a82fe262e6e2922b4c8e";
   };
 }
diff --git a/pkgs/development/libraries/freetype/default.nix b/pkgs/development/libraries/freetype/default.nix
index 47a23aff7fa..22aa3ac91d4 100644
--- a/pkgs/development/libraries/freetype/default.nix
+++ b/pkgs/development/libraries/freetype/default.nix
@@ -1,7 +1,7 @@
 {stdenv, fetchurl}: stdenv.mkDerivation {
   name = "freetype-2.1.5";
   src = fetchurl {
-    url = http://heanet.dl.sourceforge.net/sourceforge/freetype/freetype-2.1.5.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/freetype-2.1.5.tar.bz2;
     md5 = "54537b518b84d04190a1eccd393a29df";
 #    url = http://cesnet.dl.sourceforge.net/sourceforge/freetype/freetype-2.1.7.tar.bz2;
 #    md5 = "d71723948d7c0e44c401b5733c50857e";
diff --git a/pkgs/development/libraries/gettext/default.nix b/pkgs/development/libraries/gettext/default.nix
index 6cd64d2f69a..97eea0e16ae 100644
--- a/pkgs/development/libraries/gettext/default.nix
+++ b/pkgs/development/libraries/gettext/default.nix
@@ -2,7 +2,7 @@
   name = "gettext-0.12.1";
   builder = ./builder.sh;
   src = fetchurl {
-    url = ftp://ftp.nluug.nl/pub/gnu/gettext/gettext-0.12.1.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/gettext-0.12.1.tar.gz;
     md5 = "5d4bddd300072315e668247e5b7d5bdb";
   };
 }
diff --git a/pkgs/development/libraries/glibc/default.nix b/pkgs/development/libraries/glibc/default.nix
index 4c8e843fa5e..66690277d4e 100644
--- a/pkgs/development/libraries/glibc/default.nix
+++ b/pkgs/development/libraries/glibc/default.nix
@@ -5,11 +5,11 @@ stdenv.mkDerivation {
   builder = ./builder.sh;
 
   src = fetchurl {
-    url = http://ftp.gnu.org/pub/gnu/glibc/glibc-2.3.3.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/glibc-2.3.3.tar.bz2;
     md5 = "e825807b98042f807799ccc9dd96d31b";
   };
   linuxthreadsSrc = fetchurl {
-    url = http://ftp.gnu.org/pub/gnu/glibc/glibc-linuxthreads-2.3.3.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/glibc-linuxthreads-2.3.3.tar.bz2;
     md5 = "8149ea62922e75bd692bc3b92e5e766b";
   };
 
diff --git a/pkgs/development/libraries/gnet/default.nix b/pkgs/development/libraries/gnet/default.nix
index 0fb5f047f12..ffdcd4f5498 100644
--- a/pkgs/development/libraries/gnet/default.nix
+++ b/pkgs/development/libraries/gnet/default.nix
@@ -5,7 +5,7 @@ assert pkgconfig != null && glib != null;
 stdenv.mkDerivation {
   name = "gnet-2.0.5";
   src = fetchurl {
-    url = http://www.gnetlibrary.org/src/gnet-2.0.5.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/gnet-2.0.5.tar.gz;
     md5 = "126f140618de34801933d192302ed0b9";
   };
   buildInputs = [pkgconfig glib];
diff --git a/pkgs/development/libraries/gnome/GConf/default.nix b/pkgs/development/libraries/gnome/GConf/default.nix
index fb4d8ef13bc..2b1c4fea8cc 100644
--- a/pkgs/development/libraries/gnome/GConf/default.nix
+++ b/pkgs/development/libraries/gnome/GConf/default.nix
@@ -7,7 +7,7 @@ assert pkgconfig != null && perl != null
 stdenv.mkDerivation {
   name = "GConf-2.4.0.1";
   src = fetchurl {
-    url = http://ftp.gnome.org/pub/GNOME/desktop/2.4/2.4.1/sources/GConf-2.4.0.1.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/GConf-2.4.0.1.tar.bz2;
     md5 = "2f7548d0bad24d7c4beba54d0ec98a20";
   };
   # Perl is not `supposed' to be required, but it is.
diff --git a/pkgs/development/libraries/gnome/ORBit2/default.nix b/pkgs/development/libraries/gnome/ORBit2/default.nix
index c6963e6a1d3..adb214929ac 100644
--- a/pkgs/development/libraries/gnome/ORBit2/default.nix
+++ b/pkgs/development/libraries/gnome/ORBit2/default.nix
@@ -6,7 +6,7 @@ assert pkgconfig != null && glib != null && libIDL != null
 stdenv.mkDerivation {
   name = "ORBit2-2.8.3";
   src = fetchurl {
-    url = ftp://ftp.gnome.org/pub/gnome/sources/ORBit2/2.8/ORBit2-2.8.3.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/ORBit2-2.8.3.tar.bz2;
     md5 = "c6c4b63de2f70310e33a52a37257ddaf";
   };
   buildInputs = [pkgconfig libIDL popt];
diff --git a/pkgs/development/libraries/gnome/esound/default.nix b/pkgs/development/libraries/gnome/esound/default.nix
index ce70fe1647c..e6eff85eaf0 100644
--- a/pkgs/development/libraries/gnome/esound/default.nix
+++ b/pkgs/development/libraries/gnome/esound/default.nix
@@ -5,7 +5,7 @@ assert audiofile != null;
 stdenv.mkDerivation {
   name = "esound-0.2.32";
   src = fetchurl {
-    url = http://ftp.gnome.org/pub/GNOME/desktop/2.4/2.4.1/sources/esound-0.2.32.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/esound-0.2.32.tar.bz2;
     md5 = "b2a5e71ec8220fea1c22cc042f5f6e63";
   };
   propagatedBuildInputs = [audiofile];
diff --git a/pkgs/development/libraries/gnome/gnome-mime-data/default.nix b/pkgs/development/libraries/gnome/gnome-mime-data/default.nix
index 039840e3ee2..4d82b6fec97 100644
--- a/pkgs/development/libraries/gnome/gnome-mime-data/default.nix
+++ b/pkgs/development/libraries/gnome/gnome-mime-data/default.nix
@@ -5,7 +5,7 @@ assert pkgconfig != null && perl != null;
 stdenv.mkDerivation {
   name = "gnome-mime-data-2.4.0";
   src = fetchurl {
-    url = http://ftp.gnome.org/pub/GNOME/desktop/2.4/2.4.1/sources/gnome-mime-data-2.4.0.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/gnome-mime-data-2.4.0.tar.bz2;
     md5 = "b8f1b383a23d734bec8bc33a03cb3690";
   };
   buildInputs = [pkgconfig perl];
diff --git a/pkgs/development/libraries/gnome/gnome-vfs/default.nix b/pkgs/development/libraries/gnome/gnome-vfs/default.nix
index 7470ce704ff..d6efbb40942 100644
--- a/pkgs/development/libraries/gnome/gnome-vfs/default.nix
+++ b/pkgs/development/libraries/gnome/gnome-vfs/default.nix
@@ -8,7 +8,7 @@ assert pkgconfig != null && perl != null && glib != null
 stdenv.mkDerivation {
   name = "gnome-vfs-2.4.2";
   src = fetchurl {
-    url = ftp://ftp.gnome.org/pub/gnome/sources/gnome-vfs/2.4/gnome-vfs-2.4.2.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/gnome-vfs-2.4.2.tar.bz2;
     md5 = "a0f0e40739214143bbf3050311ff10cd";
   };
   buildInputs = [
diff --git a/pkgs/development/libraries/gnome/libIDL/default.nix b/pkgs/development/libraries/gnome/libIDL/default.nix
index 52470f58a44..9d6ad61621d 100644
--- a/pkgs/development/libraries/gnome/libIDL/default.nix
+++ b/pkgs/development/libraries/gnome/libIDL/default.nix
@@ -5,7 +5,7 @@ assert pkgconfig != null && glib != null && lex != null && yacc != null;
 stdenv.mkDerivation {
   name = "libIDL-0.8.2";
   src = fetchurl {
-    url = ftp://ftp.gnome.org/pub/gnome/sources/libIDL/0.8/libIDL-0.8.2.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/libIDL-0.8.2.tar.bz2;
     md5 = "a75d2dbf3a3c66b567047c94245f8b82";
   };
   buildInputs = [pkgconfig glib lex yacc];
diff --git a/pkgs/development/libraries/gnome/libart_lgpl/default.nix b/pkgs/development/libraries/gnome/libart_lgpl/default.nix
index 8cfb8a687b7..fa388c2d2ff 100644
--- a/pkgs/development/libraries/gnome/libart_lgpl/default.nix
+++ b/pkgs/development/libraries/gnome/libart_lgpl/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "libart_lgpl-2.3.16";
   src = fetchurl {
-    url = http://ftp.gnome.org/pub/GNOME/desktop/2.4/2.4.1/sources/libart_lgpl-2.3.16.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/libart_lgpl-2.3.16.tar.bz2;
     md5 = "6bb13292b00649d01400a5b29a6c87cb";
   };
 }
diff --git a/pkgs/development/libraries/gnome/libbonobo/default.nix b/pkgs/development/libraries/gnome/libbonobo/default.nix
index de29a699c2b..dee3191f8e3 100644
--- a/pkgs/development/libraries/gnome/libbonobo/default.nix
+++ b/pkgs/development/libraries/gnome/libbonobo/default.nix
@@ -6,7 +6,7 @@ assert pkgconfig != null && perl != null && ORBit2 != null
 stdenv.mkDerivation {
   name = "libbonobo-2.4.2";
   src = fetchurl {
-    url = ftp://ftp.gnome.org/pub/gnome/sources/libbonobo/2.4/libbonobo-2.4.2.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/libbonobo-2.4.2.tar.bz2;
     md5 = "78200cc6ed588c93f0d29177a5f3e003";
   };
   buildInputs = [pkgconfig perl libxml2 yacc flex];
diff --git a/pkgs/development/libraries/gnome/libbonoboui/default.nix b/pkgs/development/libraries/gnome/libbonoboui/default.nix
index 85167b1a5e3..d74d3a46969 100644
--- a/pkgs/development/libraries/gnome/libbonoboui/default.nix
+++ b/pkgs/development/libraries/gnome/libbonoboui/default.nix
@@ -7,7 +7,7 @@ assert pkgconfig != null && perl != null && libxml2 != null
 stdenv.mkDerivation {
   name = "libbonoboui-2.4.1";
   src = fetchurl {
-    url = http://ftp.gnome.org/pub/GNOME/desktop/2.4/2.4.1/sources/libbonoboui-2.4.1.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/libbonoboui-2.4.1.tar.bz2;
     md5 = "943a2d0e9fc7b9f0e97ba869de0c5f2a";
   };
   buildInputs = [pkgconfig perl libglade];
diff --git a/pkgs/development/libraries/gnome/libglade/default.nix b/pkgs/development/libraries/gnome/libglade/default.nix
index e7123f711a8..ec4d5bb1cc6 100644
--- a/pkgs/development/libraries/gnome/libglade/default.nix
+++ b/pkgs/development/libraries/gnome/libglade/default.nix
@@ -5,7 +5,7 @@ assert pkgconfig != null && gtk != null && libxml2 != null;
 stdenv.mkDerivation {
   name = "libglade-2.0.1";
   src = fetchurl {
-    url = http://ftp.gnome.org/pub/GNOME/desktop/2.4/2.4.1/sources/libglade-2.0.1.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/libglade-2.0.1.tar.bz2;
     md5 = "4d93f6b01510013ae429e91af432cfe2";
   };
   buildInputs = [pkgconfig];
diff --git a/pkgs/development/libraries/gnome/libgnome/default.nix b/pkgs/development/libraries/gnome/libgnome/default.nix
index 51e8eb40a3a..676a7769052 100644
--- a/pkgs/development/libraries/gnome/libgnome/default.nix
+++ b/pkgs/development/libraries/gnome/libgnome/default.nix
@@ -13,7 +13,7 @@ assert pkgconfig != null && perl != null && glib != null
 stdenv.mkDerivation {
   name = "libgnome-2.0.6";
   src = fetchurl {
-    url = ftp://ftp.gnome.org/pub/gnome/sources/libgnome/2.4/libgnome-2.4.0.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/libgnome-2.4.0.tar.bz2;
     md5 = "caec1e12d64b98a2925a4317ac16429f";
   };
   buildInputs = [pkgconfig perl popt zlib];
diff --git a/pkgs/development/libraries/gnome/libgnomecanvas/default.nix b/pkgs/development/libraries/gnome/libgnomecanvas/default.nix
index c8151b8db3e..9abc721a24a 100644
--- a/pkgs/development/libraries/gnome/libgnomecanvas/default.nix
+++ b/pkgs/development/libraries/gnome/libgnomecanvas/default.nix
@@ -6,7 +6,7 @@ assert pkgconfig != null && gtk != null && libart != null
 stdenv.mkDerivation {
   name = "libgnomecanvas-2.4.0";
   src = fetchurl {
-    url = http://ftp.gnome.org/pub/GNOME/desktop/2.4/2.4.1/sources/libgnomecanvas-2.4.0.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/libgnomecanvas-2.4.0.tar.bz2;
     md5 = "c212a7cac06b7f9e68ed2de38df6e54d";
   };
   buildInputs = [pkgconfig libglade];
diff --git a/pkgs/development/libraries/gnome/libgnomeui/default.nix b/pkgs/development/libraries/gnome/libgnomeui/default.nix
index bf10582355e..9cf62c67bdf 100644
--- a/pkgs/development/libraries/gnome/libgnomeui/default.nix
+++ b/pkgs/development/libraries/gnome/libgnomeui/default.nix
@@ -6,7 +6,7 @@ assert pkgconfig != null && libgnome != null && libgnomecanvas != null
 stdenv.mkDerivation {
   name = "libgnomeui-2.4.0.1";
   src = fetchurl {
-    url = http://ftp.gnome.org/pub/GNOME/desktop/2.4/2.4.1/sources/libgnomeui-2.4.0.1.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/libgnomeui-2.4.0.1.tar.bz2;
     md5 = "196f4a3f1f4a531ff57acaa879e98dd2";
   };
   buildInputs = [pkgconfig libglade];
diff --git a/pkgs/development/libraries/gtk-libs-1.x/gdk-pixbuf/default.nix b/pkgs/development/libraries/gtk-libs-1.x/gdk-pixbuf/default.nix
index d8d354962e9..5dc8eed02d9 100644
--- a/pkgs/development/libraries/gtk-libs-1.x/gdk-pixbuf/default.nix
+++ b/pkgs/development/libraries/gtk-libs-1.x/gdk-pixbuf/default.nix
@@ -7,7 +7,7 @@ stdenv.mkDerivation {
   name = "gdk-pixbuf-0.22.0";
 
   src = fetchurl {
-    url = ftp://ftp.gnome.org/pub/gnome/sources/gdk-pixbuf/0.22/gdk-pixbuf-0.22.0.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/gdk-pixbuf-0.22.0.tar.bz2;
     md5 = "05fcb68ceaa338614ab650c775efc2f2";
   };
 
diff --git a/pkgs/development/libraries/gtk-libs-1.x/glib/default.nix b/pkgs/development/libraries/gtk-libs-1.x/glib/default.nix
index 8aa5005b617..78e9ed62199 100644
--- a/pkgs/development/libraries/gtk-libs-1.x/glib/default.nix
+++ b/pkgs/development/libraries/gtk-libs-1.x/glib/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "glib-1.2.10";
   src = fetchurl {
-    url = ftp://ftp.gtk.org/pub/gtk/v1.2/glib-1.2.10.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/glib-1.2.10.tar.gz;
     md5 = "6fe30dad87c77b91b632def29dd69ef9";
   };
   # Patch for gcc 3.4 compatibility.  Based on
diff --git a/pkgs/development/libraries/gtk-libs-1.x/gtk+/default.nix b/pkgs/development/libraries/gtk-libs-1.x/gtk+/default.nix
index 7762ee57b77..f8d52f96283 100644
--- a/pkgs/development/libraries/gtk-libs-1.x/gtk+/default.nix
+++ b/pkgs/development/libraries/gtk-libs-1.x/gtk+/default.nix
@@ -8,7 +8,7 @@ stdenv.mkDerivation {
 
   builder = ./builder.sh;
   src = fetchurl {
-    url = ftp://ftp.gtk.org/pub/gtk/v1.2/gtk+-1.2.10.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/gtk+-1.2.10.tar.gz;
     md5 = "4d5cb2fc7fb7830e4af9747a36bfce20";
   };
 
diff --git a/pkgs/development/libraries/gtk-libs-2.2/atk/default.nix b/pkgs/development/libraries/gtk-libs-2.2/atk/default.nix
index 1089f571099..73f336066eb 100644
--- a/pkgs/development/libraries/gtk-libs-2.2/atk/default.nix
+++ b/pkgs/development/libraries/gtk-libs-2.2/atk/default.nix
@@ -5,7 +5,7 @@ assert pkgconfig != null && glib != null && perl != null;
 stdenv.mkDerivation {
   name = "atk-1.2.4";
   src = fetchurl {
-    url = ftp://ftp.gtk.org/pub/gtk/v2.2/atk-1.2.4.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/atk-1.2.4.tar.bz2;
     md5 = "2d6d50df31abe0e8892b5d3e7676a02d";
   };
   buildInputs = [pkgconfig perl];
diff --git a/pkgs/development/libraries/gtk-libs-2.2/glib/default.nix b/pkgs/development/libraries/gtk-libs-2.2/glib/default.nix
index 22d01d0d86f..51bbf4fbbda 100644
--- a/pkgs/development/libraries/gtk-libs-2.2/glib/default.nix
+++ b/pkgs/development/libraries/gtk-libs-2.2/glib/default.nix
@@ -5,7 +5,7 @@ assert pkgconfig != null && gettext != null && perl != null;
 stdenv.mkDerivation {
   name = "glib-2.2.3";
   src = fetchurl {
-    url = ftp://ftp.gtk.org/pub/gtk/v2.2/glib-2.2.3.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/glib-2.2.3.tar.bz2;
     md5 = "aa214a10d873b68ddd67cd9de2ccae55";
   };
   buildInputs = [pkgconfig gettext perl];
diff --git a/pkgs/development/libraries/gtk-libs-2.2/gtk+/default.nix b/pkgs/development/libraries/gtk-libs-2.2/gtk+/default.nix
index e1eef805803..546d5ee2cbd 100644
--- a/pkgs/development/libraries/gtk-libs-2.2/gtk+/default.nix
+++ b/pkgs/development/libraries/gtk-libs-2.2/gtk+/default.nix
@@ -12,7 +12,7 @@ assert x11.buildClientLibs;
 stdenv.mkDerivation {
   name = "gtk+-2.2.4";
   src = fetchurl {
-    url = ftp://ftp.gtk.org/pub/gtk/v2.2/gtk+-2.2.4.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/gtk+-2.2.4.tar.bz2;
     md5 = "605332199533e73bc6eec481fb4f1671";
   };
   buildInputs = [pkgconfig perl libtiff libjpeg libpng];
diff --git a/pkgs/development/libraries/gtk-libs-2.2/pango/default.nix b/pkgs/development/libraries/gtk-libs-2.2/pango/default.nix
index 5d5e5184dda..bc82e2da609 100644
--- a/pkgs/development/libraries/gtk-libs-2.2/pango/default.nix
+++ b/pkgs/development/libraries/gtk-libs-2.2/pango/default.nix
@@ -6,7 +6,7 @@ assert x11.buildClientLibs;
 stdenv.mkDerivation {
   name = "pango-1.2.5";
   src = fetchurl {
-    url = ftp://ftp.gtk.org/pub/gtk/v2.2/pango-1.2.5.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/pango-1.2.5.tar.bz2;
     md5 = "df00fe3e71cd297010f24f439b6c8ee6";
   };
   buildInputs = [pkgconfig];
diff --git a/pkgs/development/libraries/gtk-libs-2.4/atk/default.nix b/pkgs/development/libraries/gtk-libs-2.4/atk/default.nix
index 095ff32b2aa..727d27aab68 100644
--- a/pkgs/development/libraries/gtk-libs-2.4/atk/default.nix
+++ b/pkgs/development/libraries/gtk-libs-2.4/atk/default.nix
@@ -5,7 +5,7 @@ assert pkgconfig != null && glib != null && perl != null;
 stdenv.mkDerivation {
   name = "atk-1.6.1";
   src = fetchurl {
-    url = ftp://ftp.gtk.org/pub/gtk/v2.4/atk-1.6.1.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/atk-1.6.1.tar.bz2;
     md5 = "f77be7e128c957bd3056c2e270b5f283";
   };
   buildInputs = [pkgconfig perl];
diff --git a/pkgs/development/libraries/gtk-libs-2.4/glib/default.nix b/pkgs/development/libraries/gtk-libs-2.4/glib/default.nix
index 58f91b3f83c..a2f7df49082 100644
--- a/pkgs/development/libraries/gtk-libs-2.4/glib/default.nix
+++ b/pkgs/development/libraries/gtk-libs-2.4/glib/default.nix
@@ -5,7 +5,7 @@ assert pkgconfig != null && gettext != null && perl != null;
 stdenv.mkDerivation {
   name = "glib-2.4.7";
   src = fetchurl {
-    url = ftp://ftp.gtk.org/pub/gtk/v2.4/glib-2.4.7.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/glib-2.4.7.tar.bz2;
     md5 = "eff6fec89455addf8b0dee5a19e343be";
   };
   buildInputs = [pkgconfig gettext perl];
diff --git a/pkgs/development/libraries/gtk-libs-2.4/gtk+/default.nix b/pkgs/development/libraries/gtk-libs-2.4/gtk+/default.nix
index 56a6e41e731..439722b9933 100644
--- a/pkgs/development/libraries/gtk-libs-2.4/gtk+/default.nix
+++ b/pkgs/development/libraries/gtk-libs-2.4/gtk+/default.nix
@@ -12,7 +12,7 @@ assert x11.buildClientLibs;
 stdenv.mkDerivation {
   name = "gtk+-2.4.13";
   src = fetchurl {
-    url = ftp://ftp.gtk.org/pub/gtk/v2.4/gtk+-2.4.13.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/gtk+-2.4.13.tar.bz2;
     md5 = "3a438e1010704b11acaf060c9ba0fd7b";
   };
   buildInputs = [pkgconfig perl libtiff libjpeg libpng];
diff --git a/pkgs/development/libraries/gtk-libs-2.4/pango/default.nix b/pkgs/development/libraries/gtk-libs-2.4/pango/default.nix
index 986891b98b9..21299d2d063 100644
--- a/pkgs/development/libraries/gtk-libs-2.4/pango/default.nix
+++ b/pkgs/development/libraries/gtk-libs-2.4/pango/default.nix
@@ -6,7 +6,7 @@ assert x11.buildClientLibs;
 stdenv.mkDerivation {
   name = "pango-1.4.1";
   src = fetchurl {
-    url = ftp://ftp.gtk.org/pub/gtk/v2.4/pango-1.4.1.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/pango-1.4.1.tar.bz2;
     md5 = "39868e0da250fd4c00b2970e4eb84389";
   };
   buildInputs = [pkgconfig];
diff --git a/pkgs/development/libraries/java/aterm/default.nix b/pkgs/development/libraries/java/aterm/default.nix
index c6315faadd1..893f2a608ed 100644
--- a/pkgs/development/libraries/java/aterm/default.nix
+++ b/pkgs/development/libraries/java/aterm/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "aterm-java-1.6";
   src = fetchurl {
-    url = http://www.cwi.nl/projects/MetaEnv/aterm-java/aterm-java-1.6.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/aterm-java-1.6.tar.gz;
     md5 = "abf475dae2f5efca865fcdff871feb5e";
   };
   buildInputs = [stdenv j2sdk sharedobjects jjtraveler];
diff --git a/pkgs/development/libraries/java/jjtraveler/default.nix b/pkgs/development/libraries/java/jjtraveler/default.nix
index b1032d66af4..d5baf65d5ff 100644
--- a/pkgs/development/libraries/java/jjtraveler/default.nix
+++ b/pkgs/development/libraries/java/jjtraveler/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "jjtraveler-0.4.3.tar.gz";
   src = fetchurl {
-    url = http://www.cwi.nl/projects/MetaEnv/jjtraveler/JJTraveler-0.4.3.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/JJTraveler-0.4.3.tar.gz;
     md5 = "35bf801ee61f042513ae88247fe1bf1d";
   };
   buildInputs = [stdenv j2sdk];
diff --git a/pkgs/development/libraries/java/saxon/default.nix b/pkgs/development/libraries/java/saxon/default.nix
index cab9fafdf8d..3e5596e58b2 100644
--- a/pkgs/development/libraries/java/saxon/default.nix
+++ b/pkgs/development/libraries/java/saxon/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "saxon-6.5.3";
   builder = ./unzip-builder.sh;
   src = fetchurl {
-    url = http://belnet.dl.sourceforge.net/sourceforge/saxon/saxon6_5_3.zip;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/saxon6_5_3.zip;
     md5 = "7b8c7c187473c04d2abdb40d8ddab5c6";
   };
 
diff --git a/pkgs/development/libraries/java/saxon/default8.nix b/pkgs/development/libraries/java/saxon/default8.nix
index 0ca251026ce..e0487da3a90 100644
--- a/pkgs/development/libraries/java/saxon/default8.nix
+++ b/pkgs/development/libraries/java/saxon/default8.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "saxonb-8.0";
   builder = ./unzip-builder.sh;
   src = fetchurl {
-    url = http://belnet.dl.sourceforge.net/sourceforge/saxon/saxonb8-0.zip;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/saxonb8-0.zip;
     md5 = "d05fbd398847ef27b2d1d875bb5136ea";
   };
 
diff --git a/pkgs/development/libraries/java/shared-objects/default.nix b/pkgs/development/libraries/java/shared-objects/default.nix
index 5a207d42794..d855f299d9e 100644
--- a/pkgs/development/libraries/java/shared-objects/default.nix
+++ b/pkgs/development/libraries/java/shared-objects/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "shared-objects-1.4";
   src = fetchurl {
-    url = http://www.cwi.nl/projects/MetaEnv/shared-objects/shared-objects-1.4.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/shared-objects-1.4.tar.gz;
     md5 = "c1f2c58bd1a07be32da8a6b89354a11f";
   };
   buildInputs = [stdenv j2sdk];
diff --git a/pkgs/development/libraries/libcdaudio/default.nix b/pkgs/development/libraries/libcdaudio/default.nix
index 10d3b056346..705d7267c51 100644
--- a/pkgs/development/libraries/libcdaudio/default.nix
+++ b/pkgs/development/libraries/libcdaudio/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "libcdaudio-0.99.12";
   src = fetchurl {
-    url = http://optusnet.dl.sourceforge.net/sourceforge/libcdaudio/libcdaudio-0.99.12.tar.gz ;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/libcdaudio-0.99.12.tar.gz;
     md5 = "63b49cf14d53eed31e7a87cca17a3963" ;
   };
 }
diff --git a/pkgs/development/libraries/libdvdcss/default.nix b/pkgs/development/libraries/libdvdcss/default.nix
index c2634472964..1cf01d6e997 100644
--- a/pkgs/development/libraries/libdvdcss/default.nix
+++ b/pkgs/development/libraries/libdvdcss/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "libdvdcss-1.2.8";
   src = fetchurl {
-    url = http://www.videolan.org/pub/videolan/vlc/0.6.2/contrib/libdvdcss-1.2.8.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/libdvdcss-1.2.8.tar.gz;
     md5 = "e35e4240b6ca0b66a0218065dffe6adb";
   };
 }
diff --git a/pkgs/development/libraries/libdvdplay/default.nix b/pkgs/development/libraries/libdvdplay/default.nix
index 09a7f785be3..1b7ed9656fa 100644
--- a/pkgs/development/libraries/libdvdplay/default.nix
+++ b/pkgs/development/libraries/libdvdplay/default.nix
@@ -5,7 +5,7 @@ assert libdvdread != null;
 stdenv.mkDerivation {
   name = "libdvdplay-1.0.1";
   src = fetchurl {
-    url = http://www.videolan.org/pub/libdvdplay/1.0.1/libdvdplay-1.0.1.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/libdvdplay-1.0.1.tar.bz2;
     md5 = "602bca4ef78d79aa87e5e8920d958a78";
   };
   buildInputs = [libdvdread];
diff --git a/pkgs/development/libraries/libdvdread/default.nix b/pkgs/development/libraries/libdvdread/default.nix
index de6fc15368c..809a6a3f7e5 100644
--- a/pkgs/development/libraries/libdvdread/default.nix
+++ b/pkgs/development/libraries/libdvdread/default.nix
@@ -6,7 +6,7 @@ stdenv.mkDerivation {
   name = "libdvdread-20030812";
   builder = ./builder.sh;
   src = fetchurl {
-    url = http://www.videolan.org/pub/videolan/vlc/0.6.2/contrib/libdvdread-20030812.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/libdvdread-20030812.tar.bz2;
     md5 = "9d58beac7c2dfb98d00f4ed0ea3d7274";
   };
   buildInputs = libdvdcss;
diff --git a/pkgs/development/libraries/libjpeg/default.nix b/pkgs/development/libraries/libjpeg/default.nix
index 8b6d44e1c9d..c614311ca9e 100644
--- a/pkgs/development/libraries/libjpeg/default.nix
+++ b/pkgs/development/libraries/libjpeg/default.nix
@@ -2,7 +2,7 @@
   name = "libjpeg-6b";
   builder = ./builder.sh;
   src = fetchurl {
-    url = http://www.ijg.org/files/jpegsrc.v6b.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/jpegsrc.v6b.tar.gz;
     md5 = "dbd5f3b47ed13132f04c685d608a7547";
   };
 }
diff --git a/pkgs/development/libraries/libmad/default.nix b/pkgs/development/libraries/libmad/default.nix
index 7e5a93f229a..66a2169e587 100644
--- a/pkgs/development/libraries/libmad/default.nix
+++ b/pkgs/development/libraries/libmad/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "libmad-0.15.0b";
   src = fetchurl {
-    url = http://heanet.dl.sourceforge.net/sourceforge/mad/libmad-0.15.0b.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/libmad-0.15.0b.tar.gz;
     md5 = "2e4487cdf922a6da2546bad74f643205";
   };
 }
diff --git a/pkgs/development/libraries/libogg/default.nix b/pkgs/development/libraries/libogg/default.nix
index 52b2d48f4a6..05811638bf4 100644
--- a/pkgs/development/libraries/libogg/default.nix
+++ b/pkgs/development/libraries/libogg/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "libogg-1.1.2";
   src = fetchurl {
-    url = http://downloads.xiph.org/releases/ogg/libogg-1.1.2.tar.gz ;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/libogg-1.1.2.tar.gz;
     md5 = "4d82996517bf33bb912c97e9d0b635c4" ;
   };
 }
diff --git a/pkgs/development/libraries/libpng/default.nix b/pkgs/development/libraries/libpng/default.nix
index 2b52760e0a1..d93cf294ad9 100644
--- a/pkgs/development/libraries/libpng/default.nix
+++ b/pkgs/development/libraries/libpng/default.nix
@@ -6,7 +6,7 @@ stdenv.mkDerivation {
   name = "libpng-1.2.7";
   builder = ./builder.sh;
   src = fetchurl {
-    url = http://heanet.dl.sourceforge.net/sourceforge/png-mng/libpng-1.2.7.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/libpng-1.2.7.tar.bz2;
     md5 = "21030102f99f81c37276403e5956d198";
   };
   propagatedBuildInputs = [zlib];
diff --git a/pkgs/development/libraries/libsigsegv/default.nix b/pkgs/development/libraries/libsigsegv/default.nix
index 67ecfb7abc4..2416e1e0ed2 100644
--- a/pkgs/development/libraries/libsigsegv/default.nix
+++ b/pkgs/development/libraries/libsigsegv/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "libsigsegv-2.1";
   src = fetchurl {
-    url = ftp://ftp.gnu.org/pub/gnu/libsigsegv/libsigsegv-2.1.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/libsigsegv-2.1.tar.gz;
     md5 = "6d75ca3fede5fbfd72a78bc918d9e174";
   };
 }
diff --git a/pkgs/development/libraries/libtiff/default.nix b/pkgs/development/libraries/libtiff/default.nix
index fd0eaa825df..0cda3e4b71a 100644
--- a/pkgs/development/libraries/libtiff/default.nix
+++ b/pkgs/development/libraries/libtiff/default.nix
@@ -6,7 +6,7 @@ stdenv.mkDerivation {
   name = "libtiff-3.6.1";
   builder = ./builder.sh;
   src = fetchurl {
-    url = ftp://ftp.remotesensing.org/pub/libtiff/tiff-v3.6.1.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/tiff-v3.6.1.tar.gz;
     md5 = "b3f0ee7617593c2703755672fb1bfed3";
   };
   propagatedBuildInputs = [zlib libjpeg];
diff --git a/pkgs/development/libraries/libvorbis/default.nix b/pkgs/development/libraries/libvorbis/default.nix
index b5eeb18ffeb..1cb26577162 100644
--- a/pkgs/development/libraries/libvorbis/default.nix
+++ b/pkgs/development/libraries/libvorbis/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "libvorbis-1.1.0";
   src = fetchurl {
-    url = http://downloads.xiph.org/releases/vorbis/libvorbis-1.1.0.tar.gz ;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/libvorbis-1.1.0.tar.gz;
     md5 = "bb764aeabde613d1a424a29b1f15e7e6" ;
   };
 
diff --git a/pkgs/development/libraries/libxml2/default.nix b/pkgs/development/libraries/libxml2/default.nix
index ee706c858af..d1e90e3507c 100644
--- a/pkgs/development/libraries/libxml2/default.nix
+++ b/pkgs/development/libraries/libxml2/default.nix
@@ -8,7 +8,7 @@ stdenv.mkDerivation {
   builder = ./builder.sh;
 
   src = fetchurl {
-    url = ftp://xmlsoft.org/libxml2-2.6.13.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/libxml2-2.6.13.tar.gz;
     md5 = "23e9a2cfcd700fd4ff70996fd7c632c0";
   };
 
diff --git a/pkgs/development/libraries/libxslt/default.nix b/pkgs/development/libraries/libxslt/default.nix
index 4ca1f57d6cb..f85e80f36e1 100644
--- a/pkgs/development/libraries/libxslt/default.nix
+++ b/pkgs/development/libraries/libxslt/default.nix
@@ -5,7 +5,7 @@ assert libxml2 != null;
 stdenv.mkDerivation {
   name = "libxslt-1.1.10";
   src = fetchurl {
-    url = ftp://xmlsoft.org/libxslt-1.1.10.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/libxslt-1.1.10.tar.gz;
     md5 = "9839e6a309c7c97ffd260c8a2aa03cf5";
   };
   buildInputs = [libxml2];
diff --git a/pkgs/development/libraries/mesa/default.nix b/pkgs/development/libraries/mesa/default.nix
index 7f0fc6b6875..833d47bd7ca 100644
--- a/pkgs/development/libraries/mesa/default.nix
+++ b/pkgs/development/libraries/mesa/default.nix
@@ -6,11 +6,11 @@ stdenv.mkDerivation {
   name = "mesa-6.0.1";
   srcs = [
     (fetchurl {
-      url = http://heanet.dl.sourceforge.net/sourceforge/mesa3d/MesaLib-6.0.1.tar.bz2;
+      url = http://catamaran.labs.cs.uu.nl/dist/tarballs/MesaLib-6.0.1.tar.bz2;
       md5 = "b7f14088c5c2f14490d2739a91102112";
     })
     (fetchurl {
-      url = http://heanet.dl.sourceforge.net/sourceforge/mesa3d/MesaDemos-6.0.1.tar.bz2;
+      url = http://catamaran.labs.cs.uu.nl/dist/tarballs/MesaDemos-6.0.1.tar.bz2;
       md5 = "dd6aadfd9ca8e1cfa90c6ee492bc6f43";
     })
   ];
diff --git a/pkgs/development/libraries/mpeg2dec/default.nix b/pkgs/development/libraries/mpeg2dec/default.nix
index bc31f0731de..cca12fb9f81 100644
--- a/pkgs/development/libraries/mpeg2dec/default.nix
+++ b/pkgs/development/libraries/mpeg2dec/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "mpeg2dec-0.4.0b";
   src = fetchurl {
-    url = http://libmpeg2.sourceforge.net/files/mpeg2dec-0.4.0b.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/mpeg2dec-0.4.0b.tar.gz;
     md5 = "52d10ea80595ec83d8557ba7ac6dc8e6";
   };
 }
diff --git a/pkgs/development/libraries/ncurses/default.nix b/pkgs/development/libraries/ncurses/default.nix
index 894b688bbee..0625d726e28 100644
--- a/pkgs/development/libraries/ncurses/default.nix
+++ b/pkgs/development/libraries/ncurses/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "ncurses-5.4";
   src = fetchurl {
-    url = http://ftp.gnu.org/pub/gnu/ncurses/ncurses-5.4.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/ncurses-5.4.tar.gz;
     md5 = "069c8880072060373290a4fefff43520";
   };
   configureFlags = "--with-shared";
diff --git a/pkgs/development/libraries/openssl/default.nix b/pkgs/development/libraries/openssl/default.nix
index 4ca67d3f5d4..b1758235329 100644
--- a/pkgs/development/libraries/openssl/default.nix
+++ b/pkgs/development/libraries/openssl/default.nix
@@ -2,7 +2,7 @@
   name = "openssl-0.9.7d";
   builder = ./builder.sh;
   src = fetchurl {
-    url = http://www.openssl.org/source/openssl-0.9.7d.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/openssl-0.9.7d.tar.gz;
     md5 = "1b49e90fc8a75c3a507c0a624529aca5";
   };
   inherit perl;
diff --git a/pkgs/development/libraries/pcre/default.nix b/pkgs/development/libraries/pcre/default.nix
index ca95ddafc94..ca0683c575b 100644
--- a/pkgs/development/libraries/pcre/default.nix
+++ b/pkgs/development/libraries/pcre/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "pcre-4.5";
   src = fetchurl {
-    url = ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/pcre-4.5.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/pcre-4.5.tar.bz2;
     md5 = "c51bd34197008b128046f0799d2242e4";
   };
 }
diff --git a/pkgs/development/libraries/popt/default.nix b/pkgs/development/libraries/popt/default.nix
index 4383b8486ef..43ad631187f 100644
--- a/pkgs/development/libraries/popt/default.nix
+++ b/pkgs/development/libraries/popt/default.nix
@@ -6,7 +6,7 @@ stdenv.mkDerivation {
   name = "popt-1.7";
   builder = ./builder.sh;
   src = fetchurl {
-    url = ftp://ftp.rpm.org/pub/rpm/dist/rpm-4.1.x/popt-1.7.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/popt-1.7.tar.gz;
     md5 = "5988e7aeb0ae4dac8d83561265984cc9";
   };
   gettext = gettext;
diff --git a/pkgs/development/libraries/qt-3/default.nix b/pkgs/development/libraries/qt-3/default.nix
index 7f29396cf61..70c692978a6 100644
--- a/pkgs/development/libraries/qt-3/default.nix
+++ b/pkgs/development/libraries/qt-3/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation {
 
   builder = ./builder.sh;
   src = fetchurl {
-    url = http://sunsite.rediris.es/mirror/Qt/source/qt-x11-free-3.3.3.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/qt-x11-free-3.3.3.tar.bz2;
     md5 = "3e0a0c8429b0a974b39b5f535ddff01c";
   };
 
diff --git a/pkgs/development/libraries/readline/default.nix b/pkgs/development/libraries/readline/default.nix
index 58c5bd6591c..00e58d81b43 100644
--- a/pkgs/development/libraries/readline/default.nix
+++ b/pkgs/development/libraries/readline/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "readline-5.0";
   builder = ./builder.sh;
   src = fetchurl {
-    url = ftp://ftp.cwru.edu/pub/bash/readline-5.0.tar.gz ;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/readline-5.0.tar.gz;
     md5 = "9a39d15f1ed592883f8c6671e8c13120";
   };
   inherit ncurses;
diff --git a/pkgs/development/libraries/rte/default.nix b/pkgs/development/libraries/rte/default.nix
index de51b874ff1..2f478a6b4d6 100644
--- a/pkgs/development/libraries/rte/default.nix
+++ b/pkgs/development/libraries/rte/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "rte-0.5.2";
   builder = ./builder.sh;
   src = fetchurl {
-    url = http://heanet.dl.sourceforge.net/sourceforge/zapping/rte-0.5.2.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/rte-0.5.2.tar.bz2;
     md5 = "152d5d81169f0c9a543078543e354ebe";
   };
 }
diff --git a/pkgs/development/libraries/scrollkeeper/default.nix b/pkgs/development/libraries/scrollkeeper/default.nix
index 1ad98c06f3c..6ffd1d6c453 100644
--- a/pkgs/development/libraries/scrollkeeper/default.nix
+++ b/pkgs/development/libraries/scrollkeeper/default.nix
@@ -10,7 +10,7 @@ stdenv.mkDerivation {
   name = "scrollkeeper-0.3.14";
   builder = ./builder.sh;
   src = fetchurl {
-    url = http://heanet.dl.sourceforge.net/sourceforge/scrollkeeper/scrollkeeper-0.3.14.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/scrollkeeper-0.3.14.tar.gz;
     md5 = "161eb3f29e30e7b24f84eb93ac696155";
   };
   buildInputs = [perl libxml2 libxslt];
diff --git a/pkgs/development/libraries/wxGTK-2.5/default.nix b/pkgs/development/libraries/wxGTK-2.5/default.nix
index 6c6134b8698..16d321bb874 100644
--- a/pkgs/development/libraries/wxGTK-2.5/default.nix
+++ b/pkgs/development/libraries/wxGTK-2.5/default.nix
@@ -10,7 +10,7 @@ stdenv.mkDerivation {
   name = "wxGTK-2.5.2";
 
   src = fetchurl {
-    url = http://heanet.dl.sourceforge.net/sourceforge/wxwindows/wxGTK-2.5.2.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/wxGTK-2.5.2.tar.bz2;
     md5 = "b45874428b0164bfa5bd1a5a11b3eb4a";
   };
 
diff --git a/pkgs/development/libraries/wxGTK/default.nix b/pkgs/development/libraries/wxGTK/default.nix
index 9b33f5acd43..31c8910342f 100644
--- a/pkgs/development/libraries/wxGTK/default.nix
+++ b/pkgs/development/libraries/wxGTK/default.nix
@@ -10,7 +10,7 @@ stdenv.mkDerivation {
   name = "wxGTK-2.4.2";
 
   src = fetchurl {
-    url = http://heanet.dl.sourceforge.net/sourceforge/wxwindows/wxGTK-2.4.2.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/wxGTK-2.4.2.tar.bz2;
     md5 = "cdadfe82fc93f8a65a2ae18a95b0b0e3";
   };
 
diff --git a/pkgs/development/libraries/xine-lib/default.nix b/pkgs/development/libraries/xine-lib/default.nix
index 2eec46bb2dd..f678e0c14ac 100644
--- a/pkgs/development/libraries/xine-lib/default.nix
+++ b/pkgs/development/libraries/xine-lib/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation {
   name = "xine-lib-1.0";
   builder = ./builder.sh;
   src = fetchurl {
-    url = http://heanet.dl.sourceforge.net/sourceforge/xine/xine-lib-1.0.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/xine-lib-1.0.tar.gz;
     md5 = "96e5195c366064e7778af44c3e71f43a";
   };
   buildInputs = [
diff --git a/pkgs/development/libraries/xlibs/fontconfig/default.nix b/pkgs/development/libraries/xlibs/fontconfig/default.nix
index 962ab317df4..a522570a069 100644
--- a/pkgs/development/libraries/xlibs/fontconfig/default.nix
+++ b/pkgs/development/libraries/xlibs/fontconfig/default.nix
@@ -6,7 +6,7 @@ stdenv.mkDerivation {
   name = "fontconfig-2.2.3";
   builder = ./builder.sh;
   src = fetchurl {
-    url = http://freedesktop.org/~fontconfig/release/fontconfig-2.2.3.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/fontconfig-2.2.3.tar.gz;
     md5 = "2466a797d645cda5eb466080fdaec416";
   };
   buildInputs = [freetype];
diff --git a/pkgs/development/libraries/xlibs/libICE/default.nix b/pkgs/development/libraries/xlibs/libICE/default.nix
index abc3a657df1..7d3fb7fa5b6 100644
--- a/pkgs/development/libraries/xlibs/libICE/default.nix
+++ b/pkgs/development/libraries/xlibs/libICE/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "libICE-6.3.3";
   src = fetchurl {
-    url = http://freedesktop.org/~xlibs/release/libICE-6.3.3.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/libICE-6.3.3.tar.bz2;
     md5 = "e67d98bebfabf884e58501e44b7efd35";
   };
   buildInputs = [pkgconfig libX11];
diff --git a/pkgs/development/libraries/xlibs/libSM/default.nix b/pkgs/development/libraries/xlibs/libSM/default.nix
index e82e910aee7..81f831a9fd3 100644
--- a/pkgs/development/libraries/xlibs/libSM/default.nix
+++ b/pkgs/development/libraries/xlibs/libSM/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "libSM-6.0.3";
   src = fetchurl {
-    url = http://freedesktop.org/~xlibs/release/libSM-6.0.3.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/libSM-6.0.3.tar.bz2;
     md5 = "e01ec6568ad17c5df8f56828e34a0b2b";
   };
   buildInputs = [pkgconfig];
diff --git a/pkgs/development/libraries/xlibs/libX11/default.nix b/pkgs/development/libraries/xlibs/libX11/default.nix
index b1b4512557a..469e9a9f9d4 100644
--- a/pkgs/development/libraries/xlibs/libX11/default.nix
+++ b/pkgs/development/libraries/xlibs/libX11/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "libX11-6.2.1";
   src = fetchurl {
-    url = http://freedesktop.org/~xlibs/release/xlibs-1.0/libX11-6.2.1.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/libX11-6.2.1.tar.bz2;
     md5 = "59b6fa7cd6fe7ee1da92fd1b56d1cee3";
   };
   buildInputs = [pkgconfig];
diff --git a/pkgs/development/libraries/xlibs/libXau/default.nix b/pkgs/development/libraries/xlibs/libXau/default.nix
index 1742ed793fe..d7510d1ea8e 100644
--- a/pkgs/development/libraries/xlibs/libXau/default.nix
+++ b/pkgs/development/libraries/xlibs/libXau/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "libXau-0.1.1";
   src = fetchurl {
-    url = http://freedesktop.org/~xlibs/release/xlibs-1.0/libXau-0.1.1.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/libXau-0.1.1.tar.bz2;
     md5 = "3d747ada4a7d17538fa21c62d5608656";
   };
   buildInputs = [pkgconfig xproto];
diff --git a/pkgs/development/libraries/xlibs/libXaw/default.nix b/pkgs/development/libraries/xlibs/libXaw/default.nix
index d803ae8bcdf..8b1912ba8d2 100644
--- a/pkgs/development/libraries/xlibs/libXaw/default.nix
+++ b/pkgs/development/libraries/xlibs/libXaw/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "libXaw-7.0.2";
   src = fetchurl {
-    url = http://freedesktop.org/~xlibs/release/libXaw-7.0.2.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/libXaw-7.0.2.tar.bz2;
     md5 = "30d569f9560c1daac184d5be8085ce37";
   };
   buildInputs = [pkgconfig];
diff --git a/pkgs/development/libraries/xlibs/libXext/default.nix b/pkgs/development/libraries/xlibs/libXext/default.nix
index 5014126c7bf..66ec8d784c9 100644
--- a/pkgs/development/libraries/xlibs/libXext/default.nix
+++ b/pkgs/development/libraries/xlibs/libXext/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "libXext-6.4.3";
   src = fetchurl {
-    url = http://freedesktop.org/~xlibs/release/libXext-6.4.3.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/libXext-6.4.3.tar.bz2;
     md5 = "b7117194e69867905da9701dff56f3ee";
   };
   buildInputs = [pkgconfig xproto xextensions libX11];
diff --git a/pkgs/development/libraries/xlibs/libXft/default.nix b/pkgs/development/libraries/xlibs/libXft/default.nix
index 0b4cf606865..c9c2bb3758a 100644
--- a/pkgs/development/libraries/xlibs/libXft/default.nix
+++ b/pkgs/development/libraries/xlibs/libXft/default.nix
@@ -6,7 +6,7 @@
 (stdenv.mkDerivation {
   name = "libXft-2.1.6";
   src = fetchurl {
-    url = http://freedesktop.org/~xlibs/release/libXft-2.1.6.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/libXft-2.1.6.tar.bz2;
     md5 = "ba10c9c3f4758f304f04f8d48e2f81a4";
   };
   buildInputs = [pkgconfig];
diff --git a/pkgs/development/libraries/xlibs/libXi/default.nix b/pkgs/development/libraries/xlibs/libXi/default.nix
index 8a111d9ae3c..799f441eb28 100644
--- a/pkgs/development/libraries/xlibs/libXi/default.nix
+++ b/pkgs/development/libraries/xlibs/libXi/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "libXi-6.0.1";
   src = fetchurl {
-    url = http://freedesktop.org/~xlibs/release/libXi-6.0.1.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/libXi-6.0.1.tar.bz2;
     md5 = "7e935a42428d63a387b3c048be0f2756";
   };
   buildInputs = [pkgconfig];
diff --git a/pkgs/development/libraries/xlibs/libXinerama/default.nix b/pkgs/development/libraries/xlibs/libXinerama/default.nix
index b40669378cc..f97d37931b0 100644
--- a/pkgs/development/libraries/xlibs/libXinerama/default.nix
+++ b/pkgs/development/libraries/xlibs/libXinerama/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "libXinerama-1.0.2";
   src = fetchurl {
-    url = http://freedesktop.org/~xlibs/release/libXinerama-1.0.2.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/libXinerama-1.0.2.tar.bz2;
     md5 = "637b2c5758d2de558670428d33178174";
   };
   buildInputs = [pkgconfig panoramixext];
diff --git a/pkgs/development/libraries/xlibs/libXmu/default.nix b/pkgs/development/libraries/xlibs/libXmu/default.nix
index aa583a5fd32..da243f20449 100644
--- a/pkgs/development/libraries/xlibs/libXmu/default.nix
+++ b/pkgs/development/libraries/xlibs/libXmu/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "libXmu-6.2.3";
   src = fetchurl {
-    url = http://freedesktop.org/~xlibs/release/libXmu-6.2.3.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/libXmu-6.2.3.tar.bz2;
     md5 = "7671745bd8a1b0595847541479a327d6";
   };
   buildInputs = [pkgconfig];
diff --git a/pkgs/development/libraries/xlibs/libXpm/default.nix b/pkgs/development/libraries/xlibs/libXpm/default.nix
index 49cdeab89f9..e0897621c5d 100644
--- a/pkgs/development/libraries/xlibs/libXpm/default.nix
+++ b/pkgs/development/libraries/xlibs/libXpm/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "libXpm-3.5.1";
   src = fetchurl {
-    url = http://freedesktop.org/~xlibs/release/libXpm-3.5.1.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/libXpm-3.5.1.tar.bz2;
     md5 = "733e20a60c3343531b50bcc48348fd3e";
   };
   buildInputs = [pkgconfig];
diff --git a/pkgs/development/libraries/xlibs/libXrender/default.nix b/pkgs/development/libraries/xlibs/libXrender/default.nix
index 28d8ae6a5aa..e82d4c4ef8a 100644
--- a/pkgs/development/libraries/xlibs/libXrender/default.nix
+++ b/pkgs/development/libraries/xlibs/libXrender/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "libXrender-0.8.4";
   src = fetchurl {
-    url = http://freedesktop.org/~xlibs/release/xlibs-1.0/libXrender-0.8.4.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/libXrender-0.8.4.tar.bz2;
     md5 = "c745339dbe5f05cff8950b71a739e34c";
   };
   buildInputs = [pkgconfig];
diff --git a/pkgs/development/libraries/xlibs/libXtrans/default.nix b/pkgs/development/libraries/xlibs/libXtrans/default.nix
index a3e03d5c432..a4839f3e699 100644
--- a/pkgs/development/libraries/xlibs/libXtrans/default.nix
+++ b/pkgs/development/libraries/xlibs/libXtrans/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "libXtrans-0.1";
   src = fetchurl {
-    url = http://freedesktop.org/~xlibs/release/xlibs-1.0/libXtrans-0.1.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/libXtrans-0.1.tar.bz2;
     md5 = "a5ae4c7a75f930053b8327f7bd0c1361";
   };
 }
diff --git a/pkgs/development/libraries/xlibs/libXv/default.nix b/pkgs/development/libraries/xlibs/libXv/default.nix
index 4927b978346..bfaada1198d 100644
--- a/pkgs/development/libraries/xlibs/libXv/default.nix
+++ b/pkgs/development/libraries/xlibs/libXv/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "libXv-2.2.2";
   src = fetchurl {
-    url = http://freedesktop.org/~xlibs/release/libXv-2.2.2.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/libXv-2.2.2.tar.bz2;
     md5 = "cdd6a79bac8807da83c008dac42fdddb";
   };
   buildInputs = [pkgconfig];
diff --git a/pkgs/development/libraries/xlibs/panoramixext/default.nix b/pkgs/development/libraries/xlibs/panoramixext/default.nix
index fd2472b3cfe..538a92096b2 100644
--- a/pkgs/development/libraries/xlibs/panoramixext/default.nix
+++ b/pkgs/development/libraries/xlibs/panoramixext/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "panoramixext-1.1";
   src = fetchurl {
-    url = http://freedesktop.org/~xlibs/release/panoramixext-1.1.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/panoramixext-1.1.tar.bz2;
     md5 = "129f8623dc4f70188a015e3cbd7eae82";
   };
 }
diff --git a/pkgs/development/libraries/xlibs/renderext/default.nix b/pkgs/development/libraries/xlibs/renderext/default.nix
index ba2ece31974..11dfb25cce8 100644
--- a/pkgs/development/libraries/xlibs/renderext/default.nix
+++ b/pkgs/development/libraries/xlibs/renderext/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "renderext-0.8";
   src = fetchurl {
-    url = http://freedesktop.org/~xlibs/release/xlibs-1.0/renderext-0.8.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/renderext-0.8.tar.bz2;
     md5 = "b00a97b00bf93ab2ac6442ea13ea9c0b";
   };
 }
diff --git a/pkgs/development/libraries/xlibs/xextensions/default.nix b/pkgs/development/libraries/xlibs/xextensions/default.nix
index cd309ddb49d..b7e77f6bd64 100644
--- a/pkgs/development/libraries/xlibs/xextensions/default.nix
+++ b/pkgs/development/libraries/xlibs/xextensions/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "xextensions-1.0.1";
   src = fetchurl {
-    url = http://freedesktop.org/~xlibs/release/xlibs-1.0/xextensions-1.0.1.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/xextensions-1.0.1.tar.bz2;
     md5 = "e61bca2a4757b736c9557dc8a7df2217";
   };
 }
diff --git a/pkgs/development/libraries/xlibs/xproto/default.nix b/pkgs/development/libraries/xlibs/xproto/default.nix
index 8793a663fbc..f2ac6ea2580 100644
--- a/pkgs/development/libraries/xlibs/xproto/default.nix
+++ b/pkgs/development/libraries/xlibs/xproto/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "xproto-6.6.1";
   src = fetchurl {
-    url = http://freedesktop.org/~xlibs/release/xlibs-1.0/xproto-6.6.1.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/xproto-6.6.1.tar.bz2;
     md5 = "8a7546a607dcd61b2ee595c763fd7f85";
   };
 }
diff --git a/pkgs/development/libraries/zlib/default.nix b/pkgs/development/libraries/zlib/default.nix
index 43b6fcb28e7..91cd2660c08 100644
--- a/pkgs/development/libraries/zlib/default.nix
+++ b/pkgs/development/libraries/zlib/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "zlib-1.2.1";
   src = fetchurl {
-    url = http://www.gzip.org/zlib/zlib-1.2.1.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/zlib-1.2.1.tar.gz;
     md5 = "ef1cb003448b4a53517b8f25adb12452";
   };
   configureFlags = "--shared";
diff --git a/pkgs/development/libraries/zvbi/default.nix b/pkgs/development/libraries/zvbi/default.nix
index a02e0adea26..58ca60e57e6 100644
--- a/pkgs/development/libraries/zvbi/default.nix
+++ b/pkgs/development/libraries/zvbi/default.nix
@@ -7,7 +7,7 @@ assert pngSupport -> libpng != null;
 stdenv.mkDerivation {
   name = "zvbi-0.2.8";
   src = fetchurl {
-    url = http://heanet.dl.sourceforge.net/sourceforge/zapping/zvbi-0.2.8.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/zvbi-0.2.8.tar.bz2;
     md5 = "8701d3e4387cd896ff8b68831b57d814";
   };
   buildInputs = [x11 (if pngSupport then libpng else null)];
diff --git a/pkgs/development/perl-modules/XML-Parser/default.nix b/pkgs/development/perl-modules/XML-Parser/default.nix
index 3f41b632703..7d8a4bbb7c4 100644
--- a/pkgs/development/perl-modules/XML-Parser/default.nix
+++ b/pkgs/development/perl-modules/XML-Parser/default.nix
@@ -6,7 +6,7 @@ stdenv.mkDerivation {
   name = "perl-XML-Parser-2.34";
   builder = ./builder.sh;
   src = fetchurl {
-    url = http://search.cpan.org/CPAN/authors/id/M/MS/MSERGEANT/XML-Parser-2.34.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/XML-Parser-2.34.tar.gz;
     md5 = "84d9e0001fe01c14867256c3fe115899";
   };
   perl = perl;
diff --git a/pkgs/development/python-modules/wxPython-2.5/default.nix b/pkgs/development/python-modules/wxPython-2.5/default.nix
index acc67e2a053..dce3aa56741 100644
--- a/pkgs/development/python-modules/wxPython-2.5/default.nix
+++ b/pkgs/development/python-modules/wxPython-2.5/default.nix
@@ -6,7 +6,7 @@ stdenv.mkDerivation {
   name = "wxPython-2.5.2.8";
   builder = ./builder.sh;
   src = fetchurl {
-    url = http://heanet.dl.sourceforge.net/sourceforge/wxpython/wxPythonSrc-2.5.2.8.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/wxPythonSrc-2.5.2.8.tar.gz;
     md5 = "573fd376fd39b66ad5fbf44b487aa0b2";
   };
   buildInputs = [pkgconfig wxGTK (wxGTK.gtk) python];
diff --git a/pkgs/development/python-modules/wxPython/default.nix b/pkgs/development/python-modules/wxPython/default.nix
index c4844568a3f..5382d0a766e 100644
--- a/pkgs/development/python-modules/wxPython/default.nix
+++ b/pkgs/development/python-modules/wxPython/default.nix
@@ -6,7 +6,7 @@ stdenv.mkDerivation {
   name = "wxPython-2.4.2.4";
   builder = ./builder.sh;
   src = fetchurl {
-    url = http://heanet.dl.sourceforge.net/sourceforge/wxpython/wxPythonSrc-2.4.2.4.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/wxPythonSrc-2.4.2.4.tar.gz;
     md5 = "ea4eb68e10a0c2a9be643b35dcb78e41";
   };
   buildInputs = [pkgconfig wxGTK (wxGTK.gtk) python];
diff --git a/pkgs/development/tools/build-managers/apache-ant/core-apache-ant-1.6.1.nix b/pkgs/development/tools/build-managers/apache-ant/core-apache-ant-1.6.1.nix
index 070cc4071ad..33c81878d26 100644
--- a/pkgs/development/tools/build-managers/apache-ant/core-apache-ant-1.6.1.nix
+++ b/pkgs/development/tools/build-managers/apache-ant/core-apache-ant-1.6.1.nix
@@ -6,7 +6,7 @@ stdenv.mkDerivation {
 
   builder = ./core-builder.sh;
   src = fetchurl {
-    url = http://www.apache.org/dist/ant/binaries/apache-ant-1.6.1-bin.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/apache-ant-1.6.1-bin.tar.bz2;
     md5 = "703d0265d05b98afd95be0bc21b98420";
   };
 }
diff --git a/pkgs/development/tools/build-managers/apache-ant/core-apache-ant.nix b/pkgs/development/tools/build-managers/apache-ant/core-apache-ant.nix
index a5fec1fdfd0..1fd0810ede4 100644
--- a/pkgs/development/tools/build-managers/apache-ant/core-apache-ant.nix
+++ b/pkgs/development/tools/build-managers/apache-ant/core-apache-ant.nix
@@ -6,7 +6,7 @@ stdenv.mkDerivation {
 
   builder = ./core-builder.sh;
   src = fetchurl {
-    url = http://www.apache.org/dist/ant/binaries/apache-ant-1.6.2-bin.tar.bz2 ;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/apache-ant-1.6.2-bin.tar.bz2;
     md5 = "a568c7271c3f168771c0313926d060fa";
   };
 }
diff --git a/pkgs/development/tools/build-managers/gnumake/default.nix b/pkgs/development/tools/build-managers/gnumake/default.nix
index 16347e39fd1..0826092439c 100644
--- a/pkgs/development/tools/build-managers/gnumake/default.nix
+++ b/pkgs/development/tools/build-managers/gnumake/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "gnumake-3.80";
   src = fetchurl {
-    url = ftp://ftp.nluug.nl/pub/gnu/make/make-3.80.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/make-3.80.tar.bz2;
     md5 = "0bbd1df101bc0294d440471e50feca71";
   };
   patches = [./log.diff];
diff --git a/pkgs/development/tools/documentation/xdoc/default.nix b/pkgs/development/tools/documentation/xdoc/default.nix
index cc56d7e133e..571bce45352 100644
--- a/pkgs/development/tools/documentation/xdoc/default.nix
+++ b/pkgs/development/tools/documentation/xdoc/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "xdoc-0.1";
   src = fetchurl {
-    url = http://machina.nl/xdoc/xdoc-0.1.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/xdoc-0.1.tar.gz;
     md5 = "6f601254013d5fe3d2fdbd33b827001a";
   };
   builder = ./builder.sh;
diff --git a/pkgs/development/tools/java/jclasslib/default.nix b/pkgs/development/tools/java/jclasslib/default.nix
index 9aa08d2ce69..a81c8f6032e 100644
--- a/pkgs/development/tools/java/jclasslib/default.nix
+++ b/pkgs/development/tools/java/jclasslib/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "jclasslib-2.0";
   builder = ./builder.sh;
   src = fetchurl {
-    url = http://belnet.dl.sourceforge.net/sourceforge/jclasslib/jclasslib_unix_2_0.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/jclasslib_unix_2_0.tar.gz;
     md5 = "31d91bb03fee23410689d2f1c4c439b1";
   };
 
diff --git a/pkgs/development/tools/misc/autoconf/default.nix b/pkgs/development/tools/misc/autoconf/default.nix
index 7af57fb703a..9e189a4af7a 100644
--- a/pkgs/development/tools/misc/autoconf/default.nix
+++ b/pkgs/development/tools/misc/autoconf/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "autoconf-2.58";
   src = fetchurl {
-    url = ftp://ftp.nluug.nl/pub/gnu/autoconf/autoconf-2.58.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/autoconf-2.58.tar.bz2;
     md5 = "db3fa3069c6554b3505799c7e1022e2b";
   };
   buildInputs = [m4 perl];
diff --git a/pkgs/development/tools/misc/automake/automake-1.7.9.nix b/pkgs/development/tools/misc/automake/automake-1.7.9.nix
index e8c23bfa80e..13b1b738086 100644
--- a/pkgs/development/tools/misc/automake/automake-1.7.9.nix
+++ b/pkgs/development/tools/misc/automake/automake-1.7.9.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation {
   builder = ./builder.sh;
   setupHook = ./setup-hook.sh;
   src = fetchurl {
-    url = ftp://ftp.nluug.nl/pub/gnu/automake/automake-1.7.9.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/automake-1.7.9.tar.bz2;
     md5 = "571fd0b0598eb2a27dcf68adcfddfacb";
   };
   buildInputs = [perl autoconf];
diff --git a/pkgs/development/tools/misc/automake/automake-1.9.4.nix b/pkgs/development/tools/misc/automake/automake-1.9.4.nix
index 7d0f58cc550..e5bcd4fc680 100644
--- a/pkgs/development/tools/misc/automake/automake-1.9.4.nix
+++ b/pkgs/development/tools/misc/automake/automake-1.9.4.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation {
   builder = ./builder.sh;
   setupHook = ./setup-hook.sh;
   src = fetchurl {
-    url = ftp://ftp.nluug.nl/pub/gnu/automake/automake-1.9.4.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/automake-1.9.4.tar.gz;
     md5 = "5b46bde56e321a7bab7832168cf0b9b8";
   };
   buildInputs = [perl autoconf];
diff --git a/pkgs/development/tools/misc/binutils/default.nix b/pkgs/development/tools/misc/binutils/default.nix
index 21d03b19c5a..307de63c7fc 100644
--- a/pkgs/development/tools/misc/binutils/default.nix
+++ b/pkgs/development/tools/misc/binutils/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "binutils-2.15";
   builder = ./builder.sh;
   src = fetchurl {
-    url = http://ftp.gnu.org/gnu/binutils/binutils-2.15.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/binutils-2.15.tar.bz2;
     md5 = "624e6b74983ac6b2960edaf2d522ca58";
   };
   patches = [./no-lex.patch];
diff --git a/pkgs/development/tools/misc/gnum4/default.nix b/pkgs/development/tools/misc/gnum4/default.nix
index 408c97a3563..788c32cf6b8 100644
--- a/pkgs/development/tools/misc/gnum4/default.nix
+++ b/pkgs/development/tools/misc/gnum4/default.nix
@@ -3,7 +3,7 @@ stdenv.mkDerivation {
   name = "gnum4-1.4";
   builder = ./builder.sh;
   src = fetchurl {
-    url = ftp://ftp.nluug.nl/pub/gnu/m4/m4-1.4.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/m4-1.4.tar.gz;
     md5 = "9eb2dd07740b2d2f3c7adb3e8d299bda";
   };
 }
diff --git a/pkgs/development/tools/misc/gperf/default.nix b/pkgs/development/tools/misc/gperf/default.nix
index ded80edca83..0ded5fe27b5 100644
--- a/pkgs/development/tools/misc/gperf/default.nix
+++ b/pkgs/development/tools/misc/gperf/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "gperf-2.7.2";
   builder = ./builder.sh;
   src = fetchurl {
-    url = ftp://ftp.gnu.org/gnu/gperf/gperf-2.7.2.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/gperf-2.7.2.tar.gz;
     md5 = "e501acc2e18eed2c8f25ca0ac2330d68";
   };
 }
diff --git a/pkgs/development/tools/misc/libtool/default.nix b/pkgs/development/tools/misc/libtool/default.nix
index 9bf3574fec6..c59b26f613f 100644
--- a/pkgs/development/tools/misc/libtool/default.nix
+++ b/pkgs/development/tools/misc/libtool/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "libtool-1.5.2";
   src = fetchurl {
-    url = http://ftp.gnu.org/gnu/libtool/libtool-1.5.2.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/libtool-1.5.2.tar.gz;
     md5 = "db66ba05502f533ad0cfd84dc0e03bd5";
   };
   buildInputs = [m4 perl];
diff --git a/pkgs/development/tools/misc/pkgconfig/default.nix b/pkgs/development/tools/misc/pkgconfig/default.nix
index 0dae1094666..b15f04264aa 100644
--- a/pkgs/development/tools/misc/pkgconfig/default.nix
+++ b/pkgs/development/tools/misc/pkgconfig/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation {
   builder = ./builder.sh;
   setupHook = ./setup-hook.sh;
   src = fetchurl {
-    url = http://www.freedesktop.org/software/pkgconfig/releases/pkgconfig-0.15.0.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/pkgconfig-0.15.0.tar.gz;
     md5 = "a7e4f60a6657dbc434334deb594cc242";
   };
 }
diff --git a/pkgs/development/tools/misc/strace/default.nix b/pkgs/development/tools/misc/strace/default.nix
index 2463420540c..111ff74f575 100644
--- a/pkgs/development/tools/misc/strace/default.nix
+++ b/pkgs/development/tools/misc/strace/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation {
 
   builder = ./builder.sh;
   src = fetchurl {
-    url = http://heanet.dl.sourceforge.net/sourceforge/strace/strace-4.5.6.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/strace-4.5.6.tar.bz2;
     md5 = "2dd9d23430957a7ee0221efb28c66d1e";
   };
 }
diff --git a/pkgs/development/tools/misc/swig/default.nix b/pkgs/development/tools/misc/swig/default.nix
index e8ba2d23f98..6c043e3025b 100644
--- a/pkgs/development/tools/misc/swig/default.nix
+++ b/pkgs/development/tools/misc/swig/default.nix
@@ -10,7 +10,7 @@ stdenv.mkDerivation {
 
   builder = ./builder.sh;
   src = fetchurl {
-    url = http://heanet.dl.sourceforge.net/sourceforge/swig/swig-1.3.19.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/swig-1.3.19.tar.gz;
     md5 = "a733455544426b31868dd87fc162e750";
   };
 
diff --git a/pkgs/development/tools/misc/texinfo/default.nix b/pkgs/development/tools/misc/texinfo/default.nix
index d97f8ffbbe1..b48f4695c2a 100644
--- a/pkgs/development/tools/misc/texinfo/default.nix
+++ b/pkgs/development/tools/misc/texinfo/default.nix
@@ -6,7 +6,7 @@ stdenv.mkDerivation {
   name = "texinfo-4.6";
   builder = ./builder.sh;
   src = fetchurl {
-    url = ftp://ftp.gnu.org/gnu/texinfo/texinfo-4.6.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/texinfo-4.6.tar.gz;
     md5 = "5730c8c0c7484494cca7a7e2d7459c64";
   };
   inherit ncurses;
diff --git a/pkgs/development/tools/misc/valgrind/default.nix b/pkgs/development/tools/misc/valgrind/default.nix
index 8c3ff3e8a13..c98c2fe0756 100644
--- a/pkgs/development/tools/misc/valgrind/default.nix
+++ b/pkgs/development/tools/misc/valgrind/default.nix
@@ -8,7 +8,7 @@
 stdenv.mkDerivation {
   name = "valgrind-2.2.0";
   src = fetchurl {
-    url = http://developer.kde.org/~sewardj/valgrind-2.2.0.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/valgrind-2.2.0.tar.bz2;
     md5 = "30dc51f6fc94751b90b04af9c2e2c656";
   };
   buildInputs = [perl];
diff --git a/pkgs/development/tools/parsing/asc-support/asc-support-1.8.nix b/pkgs/development/tools/parsing/asc-support/asc-support-1.8.nix
index b12b4af1c86..7ecdbbf6041 100644
--- a/pkgs/development/tools/parsing/asc-support/asc-support-1.8.nix
+++ b/pkgs/development/tools/parsing/asc-support/asc-support-1.8.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "asc-support-1.8";
   builder = ./builder.sh;
   src = fetchurl {
-    url = http://www.cwi.nl/projects/MetaEnv/asc-support/asc-support-1.8.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/asc-support-1.8.tar.gz;
     md5 = "e85a790c6004dfb974d79fc9699f69f4";
   };
   inherit stdenv aterm ptsupport toolbuslib asfsupport;
diff --git a/pkgs/development/tools/parsing/asc-support/asc-support-1.9.nix b/pkgs/development/tools/parsing/asc-support/asc-support-1.9.nix
index a7710ea952b..ebc4f64ca39 100644
--- a/pkgs/development/tools/parsing/asc-support/asc-support-1.9.nix
+++ b/pkgs/development/tools/parsing/asc-support/asc-support-1.9.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "asc-support-1.9";
   builder = ./builder.sh;
   src = fetchurl {
-    url = http://www.cwi.nl/projects/MetaEnv/asc-support/asc-support-1.9.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/asc-support-1.9.tar.gz;
     md5 = "0c395efec4d3b582af016ab03306ed0a";
   };
   inherit stdenv aterm ptsupport toolbuslib asfsupport errorsupport sglr;
diff --git a/pkgs/development/tools/parsing/asc-support/asc-support-2.0.nix b/pkgs/development/tools/parsing/asc-support/asc-support-2.0.nix
index 9559bf75d7a..666ab439778 100644
--- a/pkgs/development/tools/parsing/asc-support/asc-support-2.0.nix
+++ b/pkgs/development/tools/parsing/asc-support/asc-support-2.0.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "asc-support-2.0";
   builder = ./builder.sh;
   src = fetchurl {
-    url = http://www.cwi.nl/projects/MetaEnv/asc-support/asc-support-2.0.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/asc-support-2.0.tar.gz;
     md5 = "34368ca79e524157bf6e89281371cb5a";
   };
   inherit stdenv aterm ptsupport toolbuslib asfsupport errorsupport sglr;
diff --git a/pkgs/development/tools/parsing/asf-library/asf-library-1.0.nix b/pkgs/development/tools/parsing/asf-library/asf-library-1.0.nix
index d31e3c6e059..6232a5bbe5a 100644
--- a/pkgs/development/tools/parsing/asf-library/asf-library-1.0.nix
+++ b/pkgs/development/tools/parsing/asf-library/asf-library-1.0.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "asf-library-1.0";
   src = fetchurl {
-    url = http://www.cwi.nl/projects/MetaEnv/asf-library/asf-library-1.0.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/asf-library-1.0.tar.gz;
     md5 = "e531f78941e2d2dab1b87a56522e9fb5";
   };
 }
diff --git a/pkgs/development/tools/parsing/asf-library/asf-library-1.1.nix b/pkgs/development/tools/parsing/asf-library/asf-library-1.1.nix
index 5722012b89c..31162b7b2d5 100644
--- a/pkgs/development/tools/parsing/asf-library/asf-library-1.1.nix
+++ b/pkgs/development/tools/parsing/asf-library/asf-library-1.1.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "asf-library-1.1";
   src = fetchurl {
-    url = http://www.cwi.nl/projects/MetaEnv/asf-library/asf-library-1.1.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/asf-library-1.1.tar.gz;
     md5 = "09b2ccbd115434cedb180e5575d0fa98";
   };
 }
diff --git a/pkgs/development/tools/parsing/asf-support/asf-support-1.2.nix b/pkgs/development/tools/parsing/asf-support/asf-support-1.2.nix
index eb97ad9cf0e..49ad29229d7 100644
--- a/pkgs/development/tools/parsing/asf-support/asf-support-1.2.nix
+++ b/pkgs/development/tools/parsing/asf-support/asf-support-1.2.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "asf-support-1.2";
   builder = ./builder.sh;
   src = fetchurl {
-    url = http://www.cwi.nl/projects/MetaEnv/asf-support/asf-support-1.2.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/asf-support-1.2.tar.gz;
     md5 = "f32de4c97e62486b67e0af4408585980";
   };
   inherit stdenv aterm ptsupport;
diff --git a/pkgs/development/tools/parsing/asf-support/asf-support-1.3.nix b/pkgs/development/tools/parsing/asf-support/asf-support-1.3.nix
index cc9056e9ee0..b970a9483dd 100644
--- a/pkgs/development/tools/parsing/asf-support/asf-support-1.3.nix
+++ b/pkgs/development/tools/parsing/asf-support/asf-support-1.3.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "asf-support-1.3";
   builder = ./builder.sh;
   src = fetchurl {
-    url = http://www.cwi.nl/projects/MetaEnv/asf-support/asf-support-1.3.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/asf-support-1.3.tar.gz;
     md5 = "23539387ff9b0423c1c1933a8ff75d27";
   };
   inherit stdenv aterm ptsupport errorsupport;
diff --git a/pkgs/development/tools/parsing/asf-support/asf-support-1.4.nix b/pkgs/development/tools/parsing/asf-support/asf-support-1.4.nix
index 5cfea08dbf7..c6043a289bb 100644
--- a/pkgs/development/tools/parsing/asf-support/asf-support-1.4.nix
+++ b/pkgs/development/tools/parsing/asf-support/asf-support-1.4.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "asf-support-1.4";
   builder = ./builder.sh;
   src = fetchurl {
-    url = http://www.cwi.nl/projects/MetaEnv/asf-support/asf-support-1.4.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/asf-support-1.4.tar.gz;
     md5 = "520ea7d73094346d3010187f22927870";
   };
   inherit stdenv aterm ptsupport errorsupport;
diff --git a/pkgs/development/tools/parsing/bison/bison-new.nix b/pkgs/development/tools/parsing/bison/bison-new.nix
index e0791b4ab41..00a7f87e776 100644
--- a/pkgs/development/tools/parsing/bison/bison-new.nix
+++ b/pkgs/development/tools/parsing/bison/bison-new.nix
@@ -5,7 +5,7 @@ assert m4 != null;
 stdenv.mkDerivation {
   name = "bison-1.875d";
   src = fetchurl {
-    url = ftp://alpha.gnu.org/pub/gnu/bison/bison-1.875d.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/bison-1.875d.tar.gz;
     md5 = "faaa4a271ca722fb6c769d72e18ade0b";
   };
   buildInputs = [m4];
diff --git a/pkgs/development/tools/parsing/bison/default.nix b/pkgs/development/tools/parsing/bison/default.nix
index 7c08550b87f..ba3926878c4 100644
--- a/pkgs/development/tools/parsing/bison/default.nix
+++ b/pkgs/development/tools/parsing/bison/default.nix
@@ -5,7 +5,7 @@ assert m4 != null;
 stdenv.mkDerivation {
   name = "bison-1.875";
   src = fetchurl {
-    url = ftp://ftp.nluug.nl/pub/gnu/bison/bison-1.875.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/bison-1.875.tar.bz2;
     md5 = "b7f8027b249ebd4dd0cc948943a71af0";
   };
   buildInputs = [m4];
diff --git a/pkgs/development/tools/parsing/error-support/error-support-0.1.1.nix b/pkgs/development/tools/parsing/error-support/error-support-0.1.1.nix
index fb24c55a2b9..a55892155f5 100644
--- a/pkgs/development/tools/parsing/error-support/error-support-0.1.1.nix
+++ b/pkgs/development/tools/parsing/error-support/error-support-0.1.1.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "error-support-0.1.1";
   builder = ./builder.sh;
   src = fetchurl {
-    url = http://www.cwi.nl/projects/MetaEnv/error-support/error-support-0.1.1.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/error-support-0.1.1.tar.gz;
     md5 = "ebd0965e29ee22508a189477b1dae12b";
   };
   inherit aterm toolbuslib;
diff --git a/pkgs/development/tools/parsing/error-support/error-support-0.1.nix b/pkgs/development/tools/parsing/error-support/error-support-0.1.nix
index 58d0c9e03fa..d84b641a6ad 100644
--- a/pkgs/development/tools/parsing/error-support/error-support-0.1.nix
+++ b/pkgs/development/tools/parsing/error-support/error-support-0.1.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "error-support-0.1";
   builder = ./builder.sh;
   src = fetchurl {
-    url = http://www.cwi.nl/projects/MetaEnv/error-support/error-support-0.1.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/error-support-0.1.tar.gz;
     md5 = "906389fd8b44bf2847d8281450d5a701";
   };
   inherit aterm toolbuslib;
diff --git a/pkgs/development/tools/parsing/flex/default.nix b/pkgs/development/tools/parsing/flex/default.nix
index efaed6e459f..c386c2be476 100644
--- a/pkgs/development/tools/parsing/flex/default.nix
+++ b/pkgs/development/tools/parsing/flex/default.nix
@@ -5,7 +5,7 @@ assert yacc != null;
 stdenv.mkDerivation {
   name = "flex-2.5.4a";
   src = fetchurl {
-    url = ftp://ftp.nluug.nl/pub/gnu/non-gnu/flex/flex-2.5.4a.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/flex-2.5.4a.tar.gz;
     md5 = "bd8753d0b22e1f4ec87a553a73021adf";
   };
   buildInputs = [yacc];
diff --git a/pkgs/development/tools/parsing/flex/flex-new.nix b/pkgs/development/tools/parsing/flex/flex-new.nix
index e102a1d0793..fddd8eaa6cd 100644
--- a/pkgs/development/tools/parsing/flex/flex-new.nix
+++ b/pkgs/development/tools/parsing/flex/flex-new.nix
@@ -8,7 +8,7 @@ assert yacc != null && m4 != null;
 stdenv.mkDerivation {
   name = "flex-2.5.31";
   src = fetchurl {
-    url = http://heanet.dl.sourceforge.net/sourceforge/lex/flex-2.5.31.tar.bz2;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/flex-2.5.31.tar.bz2;
     md5 = "363dcc4afc917dc51306eb9d3de0152f";
   };
   buildInputs = [yacc];
diff --git a/pkgs/development/tools/parsing/happy/default.nix b/pkgs/development/tools/parsing/happy/default.nix
index ac3fb088bba..2bfc703deb7 100644
--- a/pkgs/development/tools/parsing/happy/default.nix
+++ b/pkgs/development/tools/parsing/happy/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "happy-1.14";
   src = fetchurl {
-    url = http://www.haskell.org/happy/dist/1.14/happy-1.14-src.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/happy-1.14-src.tar.gz;
     md5 = "501b5b63533b2e2838de18085e8c4492";
   };
   buildInputs = [ghc perl];
diff --git a/pkgs/development/tools/parsing/pgen/pgen-2.0.nix b/pkgs/development/tools/parsing/pgen/pgen-2.0.nix
index 8eea83cea0a..1e0d80eab0d 100644
--- a/pkgs/development/tools/parsing/pgen/pgen-2.0.nix
+++ b/pkgs/development/tools/parsing/pgen/pgen-2.0.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "pgen-2.0";
   builder = ./builder.sh;
   src = fetchurl {
-    url = http://www.cwi.nl/projects/MetaEnv/pgen/pgen-2.0.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/pgen-2.0.tar.gz;
     md5 = "368cd8abeed29591a35660d8cea79975";
   };
   inherit        aterm toolbuslib ptsupport sdfsupport asfsupport ascsupport sglr;
diff --git a/pkgs/development/tools/parsing/pgen/pgen-2.1.nix b/pkgs/development/tools/parsing/pgen/pgen-2.1.nix
index de6132881a2..5758dfb9a16 100644
--- a/pkgs/development/tools/parsing/pgen/pgen-2.1.nix
+++ b/pkgs/development/tools/parsing/pgen/pgen-2.1.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "pgen-2.1";
   builder = ./builder.sh;
   src = fetchurl {
-    url = http://www.cwi.nl/projects/MetaEnv/pgen/pgen-2.1.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/pgen-2.1.tar.gz;
     md5 = "3fd46ae1ddc891a488f74350d7b477f9";
   };
   inherit        aterm toolbuslib ptsupport sdfsupport asfsupport ascsupport errorsupport sglr;
diff --git a/pkgs/development/tools/parsing/pgen/pgen-2.2.nix b/pkgs/development/tools/parsing/pgen/pgen-2.2.nix
index 731b981b1a3..70d4fd0fc83 100644
--- a/pkgs/development/tools/parsing/pgen/pgen-2.2.nix
+++ b/pkgs/development/tools/parsing/pgen/pgen-2.2.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "pgen-2.2";
   builder = ./builder.sh;
   src = fetchurl {
-    url = http://www.cwi.nl/projects/MetaEnv/pgen/pgen-2.2.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/pgen-2.2.tar.gz;
     md5 = "e23323a96d7b1f72a0e10673fa93ef7c";
   };
   inherit        aterm toolbuslib ptsupport sdfsupport asfsupport ascsupport errorsupport sglr;
diff --git a/pkgs/development/tools/parsing/pt-support/pt-support-1.0.nix b/pkgs/development/tools/parsing/pt-support/pt-support-1.0.nix
index ed8bde95c0e..39b0c203183 100644
--- a/pkgs/development/tools/parsing/pt-support/pt-support-1.0.nix
+++ b/pkgs/development/tools/parsing/pt-support/pt-support-1.0.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "pt-support-1.0";
   builder = ./builder.sh;
   src = fetchurl {
-    url = http://www.cwi.nl/projects/MetaEnv/pt-support/pt-support-1.0.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/pt-support-1.0.tar.gz;
     md5 = "cc96dc2bfbaf3f218dfe9a0b8bb4d801";
   };
   inherit aterm toolbuslib;
diff --git a/pkgs/development/tools/parsing/pt-support/pt-support-1.1.nix b/pkgs/development/tools/parsing/pt-support/pt-support-1.1.nix
index 9058917f05f..6ba2bf7450d 100644
--- a/pkgs/development/tools/parsing/pt-support/pt-support-1.1.nix
+++ b/pkgs/development/tools/parsing/pt-support/pt-support-1.1.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "pt-support-1.1";
   builder = ./builder.sh;
   src = fetchurl {
-    url = http://www.cwi.nl/projects/MetaEnv/pt-support/pt-support-1.1.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/pt-support-1.1.tar.gz;
     md5 = "51bad46427c7cf95d029c33f079581ff";
   };
   inherit aterm toolbuslib errorsupport;
diff --git a/pkgs/development/tools/parsing/pt-support/pt-support-1.2.nix b/pkgs/development/tools/parsing/pt-support/pt-support-1.2.nix
index fb7de5d3844..b86a615a4a7 100644
--- a/pkgs/development/tools/parsing/pt-support/pt-support-1.2.nix
+++ b/pkgs/development/tools/parsing/pt-support/pt-support-1.2.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "pt-support-1.2";
   builder = ./builder.sh;
   src = fetchurl {
-    url = http://www.cwi.nl/projects/MetaEnv/pt-support/pt-support-1.2.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/pt-support-1.2.tar.gz;
     md5 = "2ba2fa388130b11b9b91970ebe20c1c7";
   };
   inherit aterm toolbuslib errorsupport;
diff --git a/pkgs/development/tools/parsing/sdf-support/sdf-support-2.0.nix b/pkgs/development/tools/parsing/sdf-support/sdf-support-2.0.nix
index 4b314887a91..167db88a5f2 100644
--- a/pkgs/development/tools/parsing/sdf-support/sdf-support-2.0.nix
+++ b/pkgs/development/tools/parsing/sdf-support/sdf-support-2.0.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "sdf-support-2.0";
   builder = ./builder.sh;
   src = fetchurl {
-    url = http://www.cwi.nl/projects/MetaEnv/sdf-support/sdf-support-2.0.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/sdf-support-2.0.tar.gz;
     md5 = "2987b89ed1d73e34e128b895ff44264c";
   };
   inherit stdenv aterm ptsupport toolbuslib;
diff --git a/pkgs/development/tools/parsing/sdf-support/sdf-support-2.1.1.nix b/pkgs/development/tools/parsing/sdf-support/sdf-support-2.1.1.nix
index 5a2eb7bcfea..33d9c6da380 100644
--- a/pkgs/development/tools/parsing/sdf-support/sdf-support-2.1.1.nix
+++ b/pkgs/development/tools/parsing/sdf-support/sdf-support-2.1.1.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "sdf-support-2.1.1";
   builder = ./builder.sh;
   src = fetchurl {
-    url = http://www.cwi.nl/projects/MetaEnv/sdf-support/sdf-support-2.1.1.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/sdf-support-2.1.1.tar.gz;
     md5 = "28b2c044ee711d6c5f22772b7dfafb76";
   };
   inherit stdenv aterm ptsupport toolbuslib errorsupport;
diff --git a/pkgs/development/tools/parsing/sdf-support/sdf-support-2.1.nix b/pkgs/development/tools/parsing/sdf-support/sdf-support-2.1.nix
index 61746eb099b..e0c1b697cc0 100644
--- a/pkgs/development/tools/parsing/sdf-support/sdf-support-2.1.nix
+++ b/pkgs/development/tools/parsing/sdf-support/sdf-support-2.1.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "sdf-support-2.1";
   builder = ./builder.sh;
   src = fetchurl {
-    url = http://www.cwi.nl/projects/MetaEnv/sdf-support/sdf-support-2.1.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/sdf-support-2.1.tar.gz;
     md5 = "dbb1d3c51a82dadfaaf5319dba5cc9ef";
   };
   inherit stdenv aterm ptsupport toolbuslib errorsupport;
diff --git a/pkgs/development/tools/parsing/sglr/sglr-3.10.2.nix b/pkgs/development/tools/parsing/sglr/sglr-3.10.2.nix
index 5a464ad40e5..6bc56630770 100644
--- a/pkgs/development/tools/parsing/sglr/sglr-3.10.2.nix
+++ b/pkgs/development/tools/parsing/sglr/sglr-3.10.2.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "sglr-3.10.2";
   builder = ./builder.sh;
   src = fetchurl {
-    url = http://www.cwi.nl/projects/MetaEnv/sglr/sglr-3.10.2.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/sglr-3.10.2.tar.gz;
     md5 = "39aa609be84115d7ddc56a6c74b792b7";
   };
   inherit stdenv aterm ptsupport toolbuslib;
diff --git a/pkgs/development/tools/parsing/sglr/sglr-3.11.nix b/pkgs/development/tools/parsing/sglr/sglr-3.11.nix
index 9e3b9563508..181387bf621 100644
--- a/pkgs/development/tools/parsing/sglr/sglr-3.11.nix
+++ b/pkgs/development/tools/parsing/sglr/sglr-3.11.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "sglr-3.11";
   builder = ./builder.sh;
   src = fetchurl {
-    url = http://www.cwi.nl/projects/MetaEnv/sglr/sglr-3.11.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/sglr-3.11.tar.gz;
     md5 = "c60536c7e967e93d1ec2cd9c8ae0a4ae";
   };
   inherit stdenv aterm ptsupport toolbuslib errorsupport;
diff --git a/pkgs/development/tools/parsing/sglr/sglr-3.12.nix b/pkgs/development/tools/parsing/sglr/sglr-3.12.nix
index 0ecfa5d42db..dc6dfa8ee7a 100644
--- a/pkgs/development/tools/parsing/sglr/sglr-3.12.nix
+++ b/pkgs/development/tools/parsing/sglr/sglr-3.12.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "sglr-3.12";
   builder = ./builder.sh;
   src = fetchurl {
-    url = http://www.cwi.nl/projects/MetaEnv/sglr/sglr-3.12.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/sglr-3.12.tar.gz;
     md5 = "053753e419adfc337c4776412e3787ab";
   };
   inherit stdenv aterm ptsupport toolbuslib errorsupport;
diff --git a/pkgs/development/tools/parsing/toolbuslib/toolbuslib-0.5.1.nix b/pkgs/development/tools/parsing/toolbuslib/toolbuslib-0.5.1.nix
index 4b93aa24baf..e14be3815ee 100644
--- a/pkgs/development/tools/parsing/toolbuslib/toolbuslib-0.5.1.nix
+++ b/pkgs/development/tools/parsing/toolbuslib/toolbuslib-0.5.1.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "toolbuslib-0.5.1";
   src = fetchurl {
-    url = http://www.cwi.nl/projects/MetaEnv/toolbuslib/toolbuslib-0.5.1.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/toolbuslib-0.5.1.tar.gz;
     md5 = "1c7c7cce870f813bef60bbffdf061c90";
   };
   buildInputs = [aterm];
diff --git a/pkgs/development/tools/parsing/toolbuslib/toolbuslib-0.6.nix b/pkgs/development/tools/parsing/toolbuslib/toolbuslib-0.6.nix
index c49ac9f0663..22b37a0d58a 100644
--- a/pkgs/development/tools/parsing/toolbuslib/toolbuslib-0.6.nix
+++ b/pkgs/development/tools/parsing/toolbuslib/toolbuslib-0.6.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "toolbuslib-0.6";
   src = fetchurl {
-    url = http://www.cwi.nl/projects/MetaEnv/toolbuslib/toolbuslib-0.6.tar.gz;
+    url = http://catamaran.labs.cs.uu.nl/dist/tarballs/toolbuslib-0.6.tar.gz;
     md5 = "e117c574b428408ad172b1ad904ff430";
   };
   buildInputs = [aterm];