Bukkit

This allows you to connect you players to your media.

Plugin for filtering swear words... with a small twist.

RulesPlus, Is just a little plugin for rules but then easy to setup and nice looking

StaffList

Lest you do /tsd to set the time to day

A voting plugin

The HomeKeeper plugin is a useful tool for players on Minecraft servers to manage home locations in the game.

CheeseCommands

Keep death messages private to those involved.

A plugin that allows you to send players a fake OP message and a fake join message.

IPHidder

RangedChat

Provides free configuration , although it's made for begginers. Check this out.

Anounce Server Messages On The Server!

Disable Stuff

Advanced muting plugin

Clear Player Chat

Create polls, vote kick, and vote ban with a GUI

Draw on the ground!

HideThoseMessages