Adventurer's Effect by OndraSter
Mod that adds the option to add effects when items are held for map makers.
Diamond Buckets 0.95 by thorgot
Adds a whole bunch of new buckets which do a variety of things. But mostly they just hold lots of liquid.
Fixelmon by zetaPRIME
Improves rendering of some Pixelmon blocks; makes apricorn farms not lag you out!
Thaumcraft Research Patcher by TheCodex6824
Allows adding and patching Thaumcraft research with user-defined JSON files.
Factory Tech by ProfessorLucario
A tech mod for people who love automation. Instead of powering your machines from a big nuclear reactor or a jet engine, set up complex assembly lines to keep them stocked with fresh parts!
ChatCalc by Kokeria
A simple mod that turns your chat into a calculator. Type an equation and hit tab to replace it with the solution.
QuarryPlus is an add-on for Buildcraft that adds Advanced Quarries and various other items
Project Lambda by Melonslise
Project Lambda is an ambitious project aiming to re-create the classic shooter masterpiece, Half-Life, often debated to be the best game of all time that revolutionized its genre, in Minecraft.
Simple Protection by Ellpeck
A Minecraft that allows server admins to configure certain areas to allow and disallow certain things.