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The GNU operating system is the Unix-like operating system, which is entirely free software, that we in the GNU Project have developed since 1984. The GNU system contains all of the official GNU software packages (which are listed below), and also includes non-GNU free software, such as TeX and the X Window System. Also, the GNU system is not a single static set of programs; users and distributors may select different packages according to their needs and desires. The result is still a variant of the GNU system.

If you're looking for a whole system to install, see our list of GNU/Linux distributions which are entirely free software.

To look for individual free software packages, both GNU and non-GNU, please see the Free Software Directory: a categorized, searchable database of free software. The Directory is actively maintained by the Free Software Foundation and includes links to program home pages where available, as well as entries for all GNU packages. Another list of all GNU packages is below. Free software documentation links are listed separately.

Finally, we have a short list of free software for Microsoft Windows, for Windows users who would like to try free software.

GNU software is available by several different methods:

If you are developing a GNU package, please take a look at the available GNU software developer resources.

Although not strictly about official GNU software, we maintain a list of high-priority free software projects. Please help with these projects if you can. For other ways to contribute to GNU, including taking over unmaintained GNU packages and helping with development, see the GNU help wanted page.

If you're writing a new program and would like to make your software an official GNU package, see the evaluation information and submission form.

Here is a list of all current GNU packages, using their package identifiers (rather than long names) for brevity, and sorted alphabetically. If you have corrections to or questions about this list, please email .

There are also comprehensive lists of documentation for GNU packages (arranged by category), and GNU package logos, and a list of recent GNU releases.

Read more:
Software - GNU Project - Free Software Foundation