Bukkit

Anti fly plugin

Plugin as cut /? /plugin /pl

Stopping those hacks on your Bukkit server.

Control your chat like a boss!

A lightweight and easy to use CAPTCHA plugin

Lock your commands and make your server more secure!

BananaGreylist

Easy to use world protection plugin.

An admin plugin which allows you to hide from others players. This is perfect for catching cheaters and griefers!

Roespensable

SuperWarn

A Plugin to Restrict Block Place.It also supports permission groups!

SimpleBans

This allows you to view server details, and other player info

An anti-griefing plugin.

Adminhelper is very useful for all Admins

Adds flags to WorldGuard that allow you to automatically remove items dropped in specific regions after some time.

Pesky users wanting op. Give them OPme

Allows the blocking of certain items in certain inventories

If you don't want your guests to wander around until they have permission, this is the plugin for you.