Bukkit

A Simple, Solid Economy

GuiShopManager allows to open Inventory GUIs (For example Shops) with clicking an Item

AllBanks

Gem Scoreboard

sharemarket is a plugin for trading with stocks like a broker

TurtleEconomy simplifies the Minecraft economy by only using 1 item as a currency.

Sync your economy accounts over many servers using MySQL.

Spawning player heads

Gain money/xp by placing/destroying blocks

ITEMEX - Players can exchange all Items with other players (FREE MARKET)

Easy realistic automatic trading for players

ItemCase

Permission based boosters for QuickSell!

Player to Player Trading and Gifting with Economy support

Minetopia ATM plugin

Bukkit Economy

Adds a line of text on screen that shows how full your wallet is.

Killers steal money from their victims!

Randomly-generated treasure hunts based on values you set and as often as you want.

Trade with players or a global shop for dynamic prices, using commands or signs. Supports all economy plugins.