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<!doctype html>
<!-- SPDX-FileCopyrightText: 2019-2020, 2022 Alyssa Ross <hi@alyssa.is> -->
<!-- SPDX-License-Identifier: CC-BY-SA-4.0 OR GFDL-1.3-no-invariants-or-later -->
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<head>
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<meta name="viewport" content="width=device-width,initial-scale=1">
<link rel="icon" href="logo/logo_html.svg">
<link rel="stylesheet" href="style.css">
<title>Spectrum, a step towards usable secure computing</title>
<body>
<a href="logo" style="float: left; margin: 0 1em 0.5em 0">
<img class="logo" src="logo/logo_html.svg" width="70" height="70" alt="Spectrum logo">
<img class="no-logo" srcset="logo/logo140.png 140w" src="logo/logo70.png" width="70" height="70" alt="Spectrum logo" hidden loading="lazy">
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<h1>Spectrum — a step towards <em>usable</em> secure computing</h1>
<p>
Spectrum is a project that aims to create a computer operating system,
based on the principle of security by compartmentalization, that has a
lower barrier to entry and is easier to use and maintain than other
such systems.
<p>
User data and application state will be managed centrally, while
remaining isolated, meaning that the system can be backed up and
managed as a whole, rather than mixed up in several dozen virtual
machines.
<p>
The host system and isolated environments will all be managed
declaratively and reproducibly
using <a href="https://nixos.org/nix/">Nix</a>, a purely functional
package manager. This will save the user the burden of maintaining
many different virtual computers, allowing finer-grained resource
access controls and making it possible to verify the software running
across all environments.
<p>
Spectrum is free software, currently under active development. If you
are interested in <a href="participating.html">participating</a>, we'd
love to have you.
<p>
Funding for Spectrum is provided
by <a href="https://www.ngi.eu/about/ngi-zero/">NGI Zero</a>, an
initiative by the Digital Single Market of the European
Commission.
<nav>
<h2>Further reading</h2>
<ul>
<li><a href="motivation.html">Motivation for Spectrum</a>
<li><a href="design.html">Design</a>
<li><a href="bibliography.html">Bibliography</a>
</ul>
<h2>Development progress</h2>
<p>
Occasional detailed updates are
<a href="https://spectrum-os.org/lists/hyperkitty/search?q=This+Week+in+Spectrum&page=1&mlist=discuss%40spectrum-os.org&sort=date-desc">posted</a>
on the “discuss” mailing list.
<p>
There are also occasional Spectrum development live streams. These
are announced shortly beforehand
in <a href="participating.html#irc">#spectrum</a>.
<h2>Getting involved</h2>
<ul>
<li><a href="participating.html">The Spectrum community (IRC and mailing lists)</a>
<li><a href="contributing.html">Contributing to Spectrum</a>
<li><a href="https://spectrum-os.org/git">Git repositories</a>
<li><a href="doc/#devel">Developer documentation</a>
</ul>
</nav>
<p>
<small>Permission is granted to copy, distribute and/or modify this
document under either the terms of the
<a href="https://creativecommons.org/licenses/by-sa/4.0/">Creative
Commons Attribution-ShareAlike 4.0 International License</a>, or the
<a href="https://www.gnu.org/licenses/fdl-1.3.html">GNU Free
Documentation License, Version 1.3</a> or any later version published
by the Free Software Foundation; with no Invariant Sections, no
Front-Cover Texts, and no Back-Cover Texts.</small>
<p>
<a href="impressum.html" lang="de"><small>Impressum</small></a>
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