Bukkit

Simple plugin for money in donate systems.

ScEconomy is a lightweight currency plugin for Bukkit.

EasyConomy

A casual role play plugin inspired by Garry's Mod's DarkRP

kingdom

A customizable in game inventory shop, with a configurable custom economy system.

RewardCraft

een goede GrayCoins plugin

A Prisons Rankup Plugin

Want to receive credits when you kill someone? now you can!

Have a heavily economy based server? Companies is for you!

Emerald2Money

PerWorldTablist is a plugin by only the players are displayed that are in your world. This of course in the TabList

Plugin allows for admins to set up P2P markets that are completely graphical. (no commands)

Voting Listener

A plugin that allows you to establish nations and hold parliamentary activities.

Simple /msg and /reply commands

Save your XP to a sign

Plugin that automates trading based on supply and demand.

A simple plugin that allows players to pay for flight