Bukkit

CraftBook adds a number of original gameplay elements to Minecraft from integrated circuits to gates

All what you need for economy on your server. Money/Shops/Jobs/Towns

Quest World 2

A better way to trade! For Citizens(2).

Adds new Enchantments to your Server.

PrisonGems

Powerful, craftable Wand items and Spell scripting

The ultimate Parkour plugin

MineResetLite

Drive in Minecraft

Automatically sends mined blocks to a player's inveontory

This is a movement plugin like no other.

Add functioning stats to your items to allow players to increase their player stats.

Lock your doors, chests and more !

A simple antigriefing tool.

Offers full rpg system, classes, weapons, spells, mobs and quests

SimpleClans

Brew alcoholic potions, get drunk and have fun!

MobHunting provides a fun way to get money from hunting monsters

A visual and dynamic skill tree API for the easy setup of unique class systems