There are 2 repositories under nix-expressions topic.
Alternative Haskell Infrastructure for Nixpkgs
doom-emacs packaged for Nix
Nix(OS) expressions used by the OpenLab and its members
Simplify usage of nix dependencies during haskell development
Automatically generate Nix expressions for Emacs packages
Put a PyPI package name in, get a Nix expression out.
Advent of Code in Nix
Personal NixOS Configuration
Hello world program to experience on Nix derivation/packages.
Some packages not found in nixpkgs or with private modifications. Don't expect user friendlyness :)
A demo project whose overrides can be fetched by haskell-overridez
Just me hacking at NixOps to try to figure out how to package up a PHP project and deploy it
Formerly my personal NUR repository. I just use the flake at https://github.com/yurrriq/dotfiles now.
A template for NUR repositories: [maintainer=@fgaz]