CreeperHost

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

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

JAGM by Calisbeast

Just Another Gem Mod... Not anymore! Adds many new tools, armors, and gems.

JAIM

Overhauls the world selection screen

JAM by Vigaro

Just Another Mod

JAMI by Samtrion, Sscchhmueptfter

Realizing the full potential of mod interactions.

JBRobotModel by ARUBE(oANCIENTREDo)

Sample MOD for JointBlockMOD.