Haumea is a filesystem-based module system for Nix that allows you to import Nix files without any boilerplate. Haumea v0.2.2 was just released with a new book and support for matchers, which allows you to load non-Nix files.

Diff: https://github.com/nix-community/haumea/compare/v0.2.1...v0.2.2

Changelog: https://nix-community.github.io/haumea/notes/changelog.html

Repository: https://github.com/nix-community/haumea