Assembly Line

Nix

Nix, the purely functional package manager

Nix is an open-source package managers project on GitHub under the LGPL-2.1 license (weak copyleft), with 18k stars. It is built with LLVM project. Its last push was today.

Stars
18k
License
LGPL-2.1
Activity
Active

Code on GitHub Website

Judgement

What it is
Developer tool
What it does
A package manager that builds each package in isolation from a declarative description, so environments can be reproduced exactly and many versions can coexist.
Adopt it when
You need identical, reproducible development and build environments across machines and CI and can invest in learning it.
Watch out
The Nix language and documentation have a steep learning curve, and the community is split over flakes and governance.
Ready for
Production-ready
Runs as
Command line
Built with
C++ and Nix
How established
Established: started 14 years ago, no tagged release yet.
What the license allows
You can use it inside a product you sell; changes you make to its own files must be shared.

Judged on 2026-11-06 from the project's README and GitHub data. The license and age lines are worked out directly.

Built from

LLVM project

Follow it down: Nix → LLVM project → runs on a microchip

How compilers were built, back to punched paper tape

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Stars, license and activity come from GitHub and refresh on a rolling hourly schedule. The project's own description is quoted as written.