Classgraph
Git A GHC typechecker plugin and browser visualizer for Haskell typeclass hierarchies. Drop the plugin onto a project, render the captured data as a self-contained interactive HTML page, and explore the inheritance DAG, class instances, type families, and superclass requirements with xdot-style highlighting. target package ───────────► per-module JSON dumps (built with the plugin) (.classgraph/*.json) │ ▼ classgraph-view ──────► classgraph.html (one self-contained file) What you get When you point the plugin at a target package and run the viewer, you get: ...