Bukkit

ServerPlus

Write JavaScript scripts that can interrogate and modify the world and bind them to in-world events.

Material theming script for Webbukit's Dynmap plugin.

Anti ForceOP

Experience Slimefun

CyniChat

AntiMacro

Add ascii art to chat in minecraft

Simple Tab API for Bukkit

Extension for Bukkit API, adds bunch of methods that make Developer's life easier.

NeverLag manages your server lag with just one command, or a timer.

Tab Deco

ConfigPlus - Config with full support for comments.

Create beautiful pixel art builds of your favorite picture files.

ClearLag to clear Lag for your server Minecraft

Fetches commands from an online MySql database and then executes them as the Console

A IRC Api to hook onto

Install Plugins with the Chat

Adds the ability to make new enchantments that will be added to the game, with full customisation.

Info bar at the top of the screen