One guy (RealCrystalNight) fully reverse engineered Jenny mod's code. jenny-mod-re-clean (or JMRC) is a project about a deobfuscation and remapping a one long dead mod originally made by SchnurriTV, ...
Source for Fapcraft v1.1 — Minecraft 1.12.2, Forge 14.23.5.2847, GeckoLib 3.0.30. The original jar was obfuscated with Zelix KlassMaster. This repo is the deobfuscated, repaired source: it compiles ...