Bukkit

Animal Plague lets you configure a disease that will spread, weaken, and kill animals. Fun stuff!

HTTPConsole - Issue Console Commands Over HTTP

Aqualock

Identify

Bookshelves as chests

This is GUIOpener, a plugin where you can easy open a workbench or an enchantmenttable with permissions!

DPets: the ultimate Donor Pet system!

SavageDeathCompass

Infinite of an Item in a single Inventory Slot

Two teams fight over a bomb in order to destroy the other team's base.

TimeLock - Time Freezing Plugin

Create regions (built in in-game region creator) and execute commands on region enter or leave

A plugin that makes soup give you health

A simple fullbright server plugin :D

Arrows which are on fire set struck blocks on fire.

Write JavaScript scripts that can interrogate and modify the world and bind them to in-world events.

Able to craft monster eggs!

This Plugin once installed adds effects when your player moves

Autojump on to blocks just by moving against them

Now easily create your mobs with user friendly GUI tool.