The ghc-mod command and ghc-modi command are backend commands to enrich Haskell programming on editors including Emacs, Vim, and Sublime. ghc-mod and ghc-modi are based on the ghc-mod library which is a wrapper of GHC API and Cabal. The ghc-mod package on Hackage includes the ghc-mod command, the ghc-modi command, the ghc-mod library, and Emacs front-end (for historical reasons). The source reposi