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2 <a href="https://nixos.org">
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10
11<p align="center">
12 <a href="CONTRIBUTING.md"><img src="https://img.shields.io/github/contributors-anon/NixOS/nixpkgs" alt="Contributors badge" /></a>
13 <a href="https://opencollective.com/nixos"><img src="https://opencollective.com/nixos/tiers/supporter/badge.svg?label=supporters&color=brightgreen" alt="Open Collective supporters" /></a>
14</p>
15
16[Nixpkgs](https://github.com/nixos/nixpkgs) is a collection of over 120,000 software packages that can be installed with the [Nix](https://nixos.org/nix/) package manager.
17It also implements [NixOS](https://nixos.org/nixos/), a purely-functional Linux distribution.
18
19# Manuals
20
21* [NixOS Manual](https://nixos.org/nixos/manual) - how to install, configure, and maintain a purely-functional Linux distribution
22* [Nixpkgs Manual](https://nixos.org/nixpkgs/manual/) - contributing to Nixpkgs and using programming-language-specific Nix expressions
23* [Nix Package Manager Manual](https://nixos.org/nix/manual) - how to write Nix expressions (programs), and how to use Nix command line tools
24
25# Community
26
27* [Discourse Forum](https://discourse.nixos.org/)
28* [Matrix Chat](https://matrix.to/#/#space:nixos.org)
29* [Official wiki](https://wiki.nixos.org/)
30* [Community-maintained list of ways to get in touch](https://wiki.nixos.org/wiki/Get_In_Touch#Chat) (Discord, Telegram, IRC, etc.)
31
32# Other Project Repositories
33
34The sources of all official Nix-related projects are in the [NixOS organization on GitHub](https://github.com/NixOS/).
35Here are some of the main ones:
36
37* [Nix](https://github.com/NixOS/nix) - the purely functional package manager
38* [NixOps](https://github.com/NixOS/nixops) - the tool to remotely deploy NixOS machines
39* [nixos-hardware](https://github.com/NixOS/nixos-hardware) - NixOS profiles to optimize settings for different hardware
40* [Nix RFCs](https://github.com/NixOS/rfcs) - the formal process for making substantial changes to the community
41* [NixOS homepage](https://github.com/NixOS/nixos-homepage) - the [NixOS.org](https://nixos.org) website
42* [hydra](https://github.com/NixOS/hydra) - our continuous integration system
43* [NixOS Branding](https://github.com/NixOS/branding) - NixOS branding
44
45# Continuous Integration and Distribution
46
47Nixpkgs and NixOS are built and tested by our continuous integration system, [Hydra](https://hydra.nixos.org/).
48
49* [Continuous package builds for unstable/master](https://hydra.nixos.org/jobset/nixos/trunk-combined)
50* [Continuous package builds for the NixOS 25.05 release](https://hydra.nixos.org/jobset/nixos/release-25.05)
51* [Tests for unstable/master](https://hydra.nixos.org/job/nixos/trunk-combined/tested#tabs-constituents)
52* [Tests for the NixOS 25.05 release](https://hydra.nixos.org/job/nixos/release-25.05/tested#tabs-constituents)
53
54Artifacts successfully built with Hydra are published to cache at https://cache.nixos.org/.
55When successful build and test criteria are met, the Nixpkgs expressions are distributed via [Nix channels](https://nix.dev/manual/nix/stable/command-ref/nix-channel.html).
56
57# Contributing
58
59Nixpkgs is among the most active projects on GitHub.
60While thousands of open issues and pull requests might seem a lot at first, it helps consider it in the context of the scope of the project.
61Nixpkgs describes how to build tens of thousands of pieces of software and implements a Linux distribution.
62The [GitHub Insights](https://github.com/NixOS/nixpkgs/pulse) page gives a sense of the project activity.
63
64Community contributions are always welcome through GitHub Issues and Pull Requests.
65
66For more information about contributing to the project, please visit the [contributing page](CONTRIBUTING.md).
67
68# Donations
69
70The infrastructure for NixOS and related projects is maintained by a nonprofit organization, the [NixOS Foundation](https://nixos.org/nixos/foundation.html).
71To ensure the continuity and expansion of the NixOS infrastructure, we are looking for donations to our organization.
72
73You can donate to the NixOS foundation through [SEPA bank transfers](https://nixos.org/donate.html) or by using Open Collective:
74
75<a href="https://opencollective.com/nixos#support"><img src="https://opencollective.com/nixos/tiers/supporter.svg?width=890" /></a>
76
77# License
78
79Nixpkgs is licensed under the [MIT License](COPYING).
80
81> [!Note]
82> MIT license does not apply to the packages built by Nixpkgs, merely to the files in this repository (the Nix expressions, build scripts, NixOS modules, etc.).
83It also might not apply to patches included in Nixpkgs, which may be derivative works of the packages to which they apply.
84The aforementioned artifacts are all covered by the licenses of the respective packages.