Bukkit

Two up your server with Radiation7, including everything you need to get started.

Server Monitor will help keep your server in check!

McGroovy

Auto Lamp

NoCurse

API for simplifying the integration of MySQL into Bukkit plugins

Easy to use TPS Plugin

This is a simple GUI based item editor.

A plugin that allows developers to completely hide a player's nametags.

An API making an easier task of creating inventory menus.

Powerful chat plugin that suits your needs

InvMenuAPI Reloaded

ScrollMenuAPI is a tool to help other plugin developers. It adds additional usage to Bukkit API

Add ascii art to chat in minecraft

Plugin to enable staff to talk privately behind closed doors :3

RunAs

ItemSelector GUI allows developers to use a GUI for item selection.

Ingame python interpreter and other tools

The most powerful gamemode plugin with GUI

This plugin makes each stone break roll a lottery to drop ores, or special blocks.