Bukkit

A multi-channel chat-system. Can be used as an open-source, and more light-weight alternative to plugins like Herochat.

Mutechat plugin

Message Rainbowizer, Color Parser, and reference.

MessageJoin

Displays the current exp-level in the Chat.

A brotastic nickname manager

This Is SDMC's First Plugin Which Is A Chat Plugin

AutoResponse is an easily configurble alternative to answering the same user questions over and over.

Simple timed announcements/news messages

A simple, effective and customizable quiz plugin!

Superplugin

Store up your exp... And much more!

Admin/Staff Chat Hidden From Regular Users

Auto modulating help messages

Players can choose there own titles. Includes nametags (above heads).

Ample Chat Bot is a chat robot that responses to key phrases in chat/

Custom the death messages with your own messages !

Chat channels, without the fuss

A very complete, lightweight and updated UltraHardcore plugin

NewTag - Give your players a tag independent of any permission or chat plugin