haskell-hvr/cabal-plan

Library and utility for processing cabal's plan.json file

dfithian/prune-juice

Prune unused Haskell dependencies.

ndmitchell/weeder

Detect dead exports or package imports

LordGrimmauld/nix-check-deps

scan nix packages for unused buildInputs

input-output-hk/nix-tools

Translate Cabals Generic Package Description to a Nix expression

snoyberg/packdeps

Web app to track lagging package dependencies.

TimonPost/cargo-unused-features

Find potential unused enabled feature flags and prune them.