Bukkit

Grief Prevention

Mine spawners with silk touch

The best chest&sign shop system for Bukkit

An intuitive and powerful plugin to create graphical user interfaces.

A simple and powerful backpack plugin with SQLite and MySQL storage.

Creates images and pixel-art using in-game blocks

If you've ever used the VeinMiner mod for minecraft Forge, it has now been recreated for Bukkit, CraftBukkit, and Spigot

Slimefun

Allows server admins to easily modify how Minecraft works without programming anything

Fully customize any mobs (and create custom mobs) with a powerful scripting skill system, attributes, equipment, special AI, and much more, along with custom spawners and spawning rules. The ultimate plugin for making RPG servers and minigames.

Easily add commands to NPC's! [1.8-1.12] (BungeeCord Support | Citizens 2)

**Not Maintained** Display an RPG-style health bar above mobs and players.

Multiverse Inventories allows you to control who and what can cross world borders!

Claim land of any shape, not just within a chunk

Addeds the Ability to play music from a custom resourcepack on a server, without overriding existing music

Very configurable Tree Capitator plugin. Forest-friendly reeplants! Now better than ever! Check the new updates.

An mcMMO themed plugin for horse role-playing.

Disguise as a mob or other player

Mine spawners with silk touch

mcMMO