GNU Guix is a package manager and associated distribution of the GNU operating system. It provides an advanced, transactional package management system for users and developers, and helps them manage the entire software lifecycle, from initial installation to package updates and removal. It includes a collection of over 4,000 free software packages, as well as powerful features such as transactional upgrades and roll-backs, atomic upgrades, and reproducible builds. It also features a declarative package specification language, allowing users to define their own packages and easily create custom distributions. GNU Guix is designed to be a reliable system, with reproducible builds and a focus on privacy and security.
Discontinued The Jide company decided to discontinue the Remix OS project and concentrate its efforts on the enterprise space: http://www.jide.com/ At this time, the latest version, 3.0.207, released in November 2016, can still be downloaded From the official website.