Bukkit

This wil create a particle GUi

Replace block with mob spawner of type, or determine type of clicked on.

it gives allows you to create mob spawners

Death Drop Disabler

It will let your players kill monsters for money or kill players for money.

Destroy arrows shot by dispensers / mobs

Quick and easy friends plugin

Easy way to gain the Flying Ability

Plant wheat farms up to nine times faster.

Track Players with a compass!

Adds More Meat!

Store schematics into items

Allows Glass Block and Pane Drops

RLMTownTools

BankNote

DecorativeChests

Make players a sneaky ninjas by becoming invisible while sneaking with stealth durations and cooldowns.

TrainZ

RedstoneTorch

Player are now able to revive other using the Revivable plugin in hardcore mode