Bukkit

Create your own fully customizeable MMO-Styled Dungeon Instances!

CautionSigns

Breed Skeleton and Zombie Horses!

Allow players to pplay in a turn-based RPG environment

Protect domestication of wolves with permissions!

WorldGuard-Region specific inventories

A plugin for detecting and removing redstone clocks automatically/manually.

Eggs That Explode

World border plugin supporting a variety of shapes for each border.

Home, Sethome Plugin over MySQL

This will display all online staff.

Link portals to their destinations

Character stat-modifiers. Level up and gain skill boosts.

Teleport to wherever you left

Protect Your World with ease.

Easily prevent use of Range Hack or Kill Aura

A plugin where you can create your own mythical races with attributes & potion effects

Simulates an RPG inventory using bags.

Have a drink!

This plugin allows you to use the Scoreboard API that bukkit provides, implementing Multiple Scoreboards in-game.