Bukkit

If your users refer somebody successful, they get rewards (everything configurable)

Add CleverBot to your Minecraft Server!

Teleport to locations that you have discovered.

Higher levels = higher hits!

Set what you want /help to do,

Prevent Farms in underground

This plugin promotes a user inputs the correct password.

Allows you to transfer XP into in-game currency!

Fly for food with a feather.

Plugin that allows you to see players' coordinates

Adds new enchantments & items to the game!

comX

SimpleHeal

Plugin Tweaks

Simple permissions plugin

SpawnerChangerGUI

Allows you to craft End Portal Frame.

Small plugin to enable the storage of experience points in an item.

WarningManager

A from-scratch remake of the fabulous DiscoSheep plugin which spawns a dance party of disco-coloured sheep at your whim.