J Piston by Jiraiyah
A mod that makes pistons more fun and upgradable in many ways.
J&A Mod by aik
Deko Items für J&A Modded Minecraft
J.A.K the Cyborg - Extra Bolts by JAK_the_Cyborg
Discover new technology and fight robotic foes in J.A.K the Cyborg - Extra Bolts!
JABBA by ProfMobius
Jabba (Just Another Better Barrel Attempt) is a storage mod aiming at making a better barrel than what is already out there. It introduces one block (the barrel itself), a set of upgrades and a dolly to move things around.
storage
JAIM
Overhauls the world selection screen
JAM by Vigaro
Just Another Mod
JAMI by Samtrion, Sscchhmueptfter
Realizing the full potential of mod interactions.
JASB Tweaks by Insane96MCP
Small Tweaks for the modpack!