Bukkit

Tools

PreventSwearing

QuestionPower

Includes many features to make ingame chatting easier.

PowerBans

A simple Motd plugin

A swear filter that can be enabled/disabled per user

Ever need to conveniently give a user your website or more?

A plugin that removes abusive/destructive blocks.

With this plugin, you can kick and/or ban a player with a nice message shown to the entire server.

A chat & rank system for your server!

ClearChat

BukkitXMPP

Create and manage repositories for quick text and command insertion into the command line.

Change your chat/name colors easily

UniqueMessage

This plugin disable the swear words on your server!

A plugin to easily list the current online staff.

ChatDistance

Shortens Urls in chat