JourneyX by tima_, MCreator
Joy of Painting by xerca
This mod lets you craft a blank canvas and a palette, with which you can paint your own pictures and hang them on a wall like the vanilla paintings. Let your creativity roam free or paint memes and experience the joy of painting.
Joypad / SplitScreen Mod
Play Minecraft splitscreen using gamepad controllers!!
Js Macros by Wagyourtail
Macro Mod.
JsCraft by pcr3w
A JavaScript API for Minecraft Forge that allows you to create mods in JavaScript.
Json Recipes by anti344
Use JSON format(which is used everywhere in Minecraft) to add your own crafting recipes! With NBT, OreDictionary and machines other mods support!
JsonLootBags by Dries007, DoubleDoor team
Json Loot bags
JsonTweaker by Tark
Add recipes using json.
JsonifyCraft by Timothy Metcalfe (TimInc)
Add content to Minecraft with JSON files.
Judgment API by Integral
Basically, a research trigger system of Forgotten Relics, just without the addon itself. Requires MineTweaker 3 to interact with it's features.
Judys weapon by Lenovo, MCreator
JuiceWares by JuiceGrape
A random collection of fun little changes, blocks and items to help me learn modding.
opensource mobs enchanting tools