Bukkit

A simple plugin that clears the chat.

Utility Plugins

Broadcast messages better!

Have you ever wanted an easy way to change your chat color all the time? Here it is!

IRC to Minecraft Bridge

Inform your players about the current voting sites!

Change the color and format of your username when you hold TAB. Also, you can change what it says entirely!

ServerSpy - see commands and console output!

This plugin allows you to force a player to send a message.

Darmok is an *extremely* light-weight chat channel management and filtering plugin.

UniversalChat

Website Shower

NoBrackets

Chat is directed to only players standing on the same platform.

WesTwit

When players type /forum or /website they will be sent configurable information about your website/forum.

HubCommands

This plugin lets you callout people

Automatically makes channels in chat for towns and nations.

FakeTalk Reloaded