GregTech 5

GregTech, created by, is a mod that completely overhauls , adding numerous machines and materials, as well as adjusting recipes for existing items. GregTech is meant to extend the game by making things much less overpowered, harder to craft, and adding end-game machines. There is currently one available addon for GregTech; GregArmor, which takes the meta-tools system from GregTech and applies it to armor.