Bukkit

Boing, Boing, Boing! Jumping Mini Game!

Nicknames

UltiBukkit Is A Plugin That Has All The Essentials! Made For Fun!

Drop TNT while riding the new happy ghasts in multiplayer

Placed obsidian spreads like a virus

A global chatting system

SimpleAuth

Projectile Effects

Become a ghost for a minute before respawn

A quick and fun way to play Connect4 in Minecraft!

Simple plugin that teleports you to a World's Spawn when falling into the Void.

Better than the default server achievement announcements.

Get more Hearts step by step

SillyCmd

HomeMarker

MMOCraftPlus Bukkit Plugin

Better Commands

RPGSticks

initialize the time of minecraft on that of a country or create your world time

A light, simple plugin, which allows players to create instantly detonating mines.