Bukkit

Sets all a players incoming damage to 0. It only LOOKS like you take damage

FireStone

Easy IP Address Logging and Banning

WarningManager

StopProxy - Protect your server from Proxies, VPN & Bots!

Creative mode on residence

Change players' name colors in chat.

Create blocks that disco!

Allows setting of players health, air, and hunger

A pretty easy-to-use in-game biome editor (requires WorldEdit to work)

Be an admin - even while you're offline!

PvP Lootbags

Advanced tools that will allows Admin to easily manage their server(s)

A simple plugin that clears the chat.

A Random Teleporter that makes sure you spawn on safe, whitelisted blocks.

A multifunctional plug-in that meets various requests. (Plans for the future)

A small, basic command that adds some nifty features for admins! :D

Yells titles and subtitles

Paintball guns in Minecraft

Beat the system! Give yourself any health you want!