Bukkit

mcMMO

AddQuartz will add quartz to chunks in the nether

DevJoined

IRC to Minecraft Bridge

Remove all mob spawners from a world

Configure how long player drops stick around

AcidRain will burn players that find themselves caught out in the rain.

Have a sign tell you who is on and off

Track first join and last part times

Point at what you are looking at

Make console more like in-game chat

Limit players to a rectangular region

Right click a block to see its data value

To be sheared is to die

Use a command once and only once

Make guests read your rules.

In-game regions to Mumble chat rooms

Where you at?

Stop snow on certain blocks.

Teleports players into set areas randomly