Bukkit

Players are now able to have a default chat color with just a simple command!

Chat formatting done right.

Ever wanted to changer your servermotd and joiningmessage? Well this solves your problem.

Language Message Translator

Stop from being annoyed by players, items, or chat!

Clears the Multiplayer Chat

When a player complains about lag, and the server isn't actually lagging, will make the server seem laggy to that player.

No Swear OR ELSE!

Speaker

CommandChecker

This will replace the message of someone who swears, you can configure the words

FullChatClear - CraftingDev Production

A player just failed typing a command? You can now show to everyone that he failed

Minequirk adds customizable troll quirks to Minecraft.

Replace Bukkit's custom event messages with your own

Dont let people on your serve get tricked

Filters out your server logs and separates your server.log into multiple folders

YAEP (pronounced "yep!") is a lightweight alternative to heavier "essential command" plugins like Essentials.

WARNED! lets you warn players and have them kicked after a configurable amount or warnings!

A plugin that has multiple broadcasts.