Bukkit

Reports

Customized Repeating Messages Made Easy

TalkAs: Talk as other players

A simple plugin that shows a kill leaderboard when you type a command.

IgnoreChat

Plugin that revamps Minecraft's default chat.

A simple plugin to censor chat.

right click with the saddle to ride any creature

ColorCodeTeacher

Chat Filter with punishment

ECReports

Type /tableflip and do a in-game tableflip in chat!

Roll D&D style dice through the chat window.

ChatTools+

Extend GriefPrevention's softmute feature to vanilla's /me and /tell commands

A lightweight anti-spam chat plugin

Get all information needed from the server, players, and more, and make it all accessible in place. As well as handle players.

Announce Messages as a Dragon Bar!

Mobs have freedom of speech too!

DuelAnnounce