Bukkit

Bukkit Messenger allows players to message players on other servers (that have the plugin)

Allows you to view any player's previous usernames quickly in-game.

A simple region management plugin for player owned regions.

Help your player

HandCommandID

SimpleAnnouncements

Get your users know all about your server!

IWANNABEMOD is a bukkit plugin that allows users to put themselves forward to be tested on their proficiency at moderating.

Record PvP Stats on Scoreboard

Set descriptions for areas on a Bukkit Server then access their information with a single click!

Use a command to get the UUID of any player!

Server status on a sign!

XyploOverallPlayers

RainBowSigns

Find nearby blocks and entities

Full User Interface for your server !

HubPlugin

Executes commands in response to server events.

Define what the /help command sais via MySQL!

In-game Wikipedia access!