# Nix [![Open Collective supporters](https://opencollective.com/nixos/tiers/supporter/badge.svg?label=Supporters&color=brightgreen)](https://opencollective.com/nixos) [![CI](https://github.com/NixOS/nix/workflows/CI/badge.svg)](https://github.com/NixOS/nix/actions/workflows/ci.yml) Nix is a powerful package manager for Linux and other Unix systems that makes package management reliable and reproducible. Please refer to the [Nix manual](https://nix.dev/reference/nix-manual) for more details. ## Installation and first steps Visit [nix.dev](https://nix.dev) for [installation instructions](https://nix.dev/tutorials/install-nix) and [beginner tutorials](https://nix.dev/tutorials/first-steps). Full reference documentation can be found in the [Nix manual](https://nix.dev/reference/nix-manual). ## Building and developing Follow instructions in the Nix reference manual to [set up a development environment and build Nix from source](https://nix.dev/manual/nix/development/development/building.html). ## Contributing Check the [contributing guide](./CONTRIBUTING.md) if you want to get involved with developing Nix. ## Additional resources Nix was created by Eelco Dolstra and developed as the subject of his PhD thesis [The Purely Functional Software Deployment Model](https://edolstra.github.io/pubs/phd-thesis.pdf), published 2006. Today, a world-wide developer community contributes to Nix and the ecosystem that has grown around it. - [The Nix, Nixpkgs, NixOS Community on nixos.org](https://nixos.org/) - [Official documentation on nix.dev](https://nix.dev) - [Nixpkgs](https://github.com/NixOS/nixpkgs) is [the largest, most up-to-date free software repository in the world](https://repology.org/repositories/graphs) - [NixOS](https://github.com/NixOS/nixpkgs/tree/master/nixos) is a Linux distribution that can be configured fully declaratively - [Discourse](https://discourse.nixos.org/) - [Matrix](https://matrix.to/#/#nix:nixos.org) ## License Nix is released under the [LGPL v2.1](./COPYING).