MOD LOOT++ for Minecraft 1

Loot++ Mod 1.8.9/1.7.10 lets you customize many things such as chest loot, as well as add custom items and blocks.
dd or remove items from any chest type (including nether fortress chests and any custom chests added by mods or custom chests you add in the config),
Add or remove crafting recipes
Add or remove smelting recipes
Add or remove drops from entities
Add or remove drops from blocks
Add or remove ore dictionary entries
Add a few types of items (tools, armor, etc.)
Add a few types of blocks
Add new records
Allow items and armour to give you potion effects under certain circumstances
Change maximum stack sizes