... is a CraftTweaker add-on that bridges IndustrialCraft 2 and CraftTweaker. Currently, this mod allows you to add extra recipes for various machines of IndustrialCraft2.
See here for a quick guide on how to use this.
eternalphane/IC2Tweaker
Because there are people who insist that all tweaks should go through CraftTweaker... so here we go...
JavaUnlicense