MOD LOOT++ for Minecraft

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