Unclunkify by phantamanta44
Makes life a little better.
Uncomplication
This mod just adds the old version of the new IC2 recipes.
UncraftableThings
My first Mod
Uncrafter by Jannis234
Did you craft something and you don't need it anymore? Use this mod and get your resoures back!
Uncrafting Blacklist by DoomRater, Noobanidus
Prevent items from being uncrafted in the Twilight Forest uncrafting table.
Uncrafting Mod by Ms_Raven
A simple mod that lets you convert items into the materials used to craft them.
Uncrafting Table by jglrxavpok
Did you ever want to uncraft an item (like your 5 hoes made by error) ? Now, you can do it against 5 levels of XP!
UncraftingMod
This is an example mod
Undead Crafting by Bjf1152
Adds many new things to the game to make use of bone, rotten flesh, and other hostile mob drops.
UndeadPlus by TechGuy543, GuitCube, RandumbDude, MrCompost, Tyler15555, Others
Undead+ adds a range of threatening new mobs to keep your Minecraft world alive and exciting during the night and while you're adventuring through caves.
UndeadUndeadnoMi
Fruta da Imortalidade
Under The Sea by Kashdeya
Adds Rocks and Seaweed for the Void Island mod.
UnderCover by owenl, MCreator
UnderCraftMOD
Ceci est le mod d'UnderCraft