Bukkit

Easily become invisible

ClearChat /cc (fully configurable)

MagiBlocks

Kamikaze enables suicide-mission like gameplay where you become a creeper and explode!

Minecraft old school gamemode changing

A plugin that adds pre-1.8 obsidian generators back to Minecraft

Shoutout

Huge library of useful commands! With Log-Blocking!

An administrative plugin for Bukkit.

Diesen Plugin gehört banana

TouchNotices

Tools with Bones instead of Sticks!

CoalBlock, a block of coal

BlockLogger

This is an Interface-Plugin, which beautified your server.

Gives you a UUID from a player's name

DecorativeChests

Show a random discussion topic to players when they log in

Zerts

Send and request FAQ