Bukkit

A powerful, lightweight Minecraft server management plugin with 40+ commands

Ingame python interpreter and other tools

Create interactive NPCs using armor stands with custom commands and easy editing for your Minecraft server.

ObjectSaver

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

Make your commands !

Configure how many people of the same IP can join your server at the same time and in general

A very efficient plugin

Pesky users wanting op. Give them OPme

Make staff or players have to log in.

A bukkit mod to prevent players from changing their name on your mc server

EggBlock

TagMe can convert between NBT item tags and YAML configuration.

A highly configurable ChatBot that acts as a friendly player on your server!

A plugin developer tool to allow you to create custom popup menu systems for vanilla minecraft players using an API

A plugin which lets you create inventory gui's with and even without programming!

AutoMe! Cracked Server Protect, No Login!

Wand

Auto Lamp

Change the radius of TNT