Bukkit

Logs all messages, and when Chester is mentioned, he replies with a logged message.

SethBlings DeathSwap

prevents players from flying and attacking mobs

Change all aspects of an item's meta data

Change the size of nether portals

Let your server players fly!

Allow chests to be read-only

Play Tag in Minecraft

Count up Harry Potter House Points

Players get extra currency/items once per day!

Depth Commands

ServerNotify

Make a bed teleport you!

Counts all kills