Bukkit

WelcomeMe is a very easy and lightweight plugin to manage your server messages!

CustomSayCommand

A plugin to scare griefers away!

Limit Fireworks!

Stop explosions from causing devastating chain reactions.

Teleporter Spawn

DChatCleaner - Advanced Chat Cleaner

Kills players that go on the nether roof.

VoteRestart: Allows users to vote for a server restart!

CmdSpy

Limit the rate in which player's can send messages & commands!

Easily Delay your commands

Allows you to add a pvp arena to your server!

Marionette

CloudCrafter

DomsProject

DragonConsole, This plugin allows you to type as you would in a server but in the cmd / console!

Inventory plugin

LoginVip

Simple Anti Swearing Plugin