Bukkit

Chat Control

A plugin to automate message on your server

This plugin allows you to run commands as another player or as the console.

/help brings up a gui that is changeable

McClearChat, the plugin thats clears your and others chats.

Vote for the server

Crystal Craft

Shift game modes faster than ever!

SuCommand

Mainly for use within KitPVP servers, this plugin will block the displacement of armor once equipped.

Auto sapling replant for anti server deforestation

Restarter

Add join commands to your server!

Create paths easily with all editable settings! Replace, Intensity, Multiple Data Byte Blocks with (eg 4:2) and more!

The best economy plugin!

ShowNoPlugins

ServerPeak

You just enter the command: /gethead and then the player name  and then the head appears in your inventory.

The definitive monster spawning plugin

/f and have the chat spam f.