Bukkit

A fully configurable plugin to disable anything demolition-related like creepers, fireballs, TNT and endermen

Most Advanced Craftbukkit Whitelist Plugin

An Admin Can Send 1 tnt to a player and he will blow up

A Word-Changing plugin

DEP

Mimics the well-known IRC services like NickServ, MemoServ, ...

AllCraft

Server speed and interface improvements

Under Planning, adding soon some informations about it

RegionOnlyWE

Spawn Changer

An API designed to extend the functionality of the Bukkit server API

SpixXxelKillLagg v0.1 - Your server has not LAG!

iBroadcast

BedrockRemover

Fatal Core

Next Generation Statistics Plugin

Planned to be released

PlotCreator

Server Rage