Bukkit

A custom shop for spawners in a GUI

Take money from other players and mobs upon death

ILottery - a bukkit plugin that adds lotteries to your server, iConomy support

FC_Bounties

A basic Economy Mod.

Villagers can now repair your stuff!

SuperPotions

Rewards for mcMMO Level Up

RealShopping

Holds a list of shops and allows players to teleport there.

A plugin from the idea of Essentials. Adds in additional commands that will just make managing your server a tad bit easier.

Money and Items for PvM and PvP

Adds new crafting recipes to your Minecraft Server

Full featured protection cuboid plugin with factions.

blXP

MMO style selling and buying of items via a broker

PaidSwitch

RPGplugin

The plugin that has all commands that can run the server!

A complete job system for economy servers! (Requires Vault and a Permission plugin)