Language-specific package helpers

The official overview can be found in the nixpkgs manual.

Go

• go2nix

Python

• pypi2nix - Recommended by Community
• pip2nix
• python2nix
• nix-pip

Node.js

• node2nix
• npm2nix
• yarn-based (carry the same name but different implementations):
  • yarn2nix by moretea
  • yarn2nix by Profpatsch
• bower2nix

Ruby

• bundix

Haskell

• cabal2nix

Scala

• sbtix

Elisp

• emacs2nix

Rust

• carnix documentation - Recommend by community, also integrated into nixpkgs.
• cratesio2nix
• nixcrates
• nix-crates-index
• manilla

Erlang

• hex2nix

OCaml

• opam2nix