Bukkit

Mine spawners with silk touch

An intuitive and powerful plugin to create graphical user interfaces.

Grief Prevention

The best chest&sign shop system for Bukkit

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

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

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

Creates images and pixel-art using in-game blocks

Slimefun

Collecting wood was never this easy! Just like Timber mod.

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

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

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

An mcMMO themed plugin for horse role-playing.

mcMMO

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.

BackAgain

Have minecraft read the chat to you

Disguise as a mob or other player