Bukkit

Item-based currency / economy plugin

easily create shops for physical economies.

Modify Item names and Lores with ease (with color support)

For all your decorative needs!

A pretty simple shop plugin. No signs required. Supports DoubleChests and claim protections!

custom ranking, server administration, and chat plugin for minecraft servers

Allows players on a server to travel to places on the back of dragons.

ExtraGear

Vampire

The Sun is going to kill us all!

Scriptable, interactive citizens.

Prepare Arenas for PVP battles! Blue vs Red - MultiWorld, Multiple Arenas. Optional: Spout,Permissions,iConomy

ServerShop-gui

Cooldowns and Warmups for all commands that you wish!

A trading plugin that uses an Inventory GUI for Minecraft

Trade

Classes, Skills, Experience, Damage System

Garry's Mod Murder put into Minecraft!

Provides configurable options for changing damage/health for entities on your server based on Level

Health that you can levelup? MUST HAVE!