Bukkit

A simple inventory based trading plugin

RentingCraft adds an Renting system for tools and more.

KingdomsOfArden-AntiCombatLog

A votifier add-on that gives players a random item for voting.

[EasyBank] Put your Money into a Bank account !

MasterPromote

Just a simple kits plugin.

A guide to resale values of blocks or crafted items

the Bulletin Board Bridge

Let your players store their money in a bank account!

admittance

Allow villages/government to be created!

This plugins allows users to create gods and worship them for blessings and items.

SkieCraft

Stock Market

Unified way to extend plot / claim limit on popular protection plugins.

DivinityEconomy is a revolutionary Minecraft global dynamic command-based economy plugin.

Teleman Portals

Leave a chest upon Death that stores your inventory

Pay salary to online groups and players (uses vault to accept many economies and permissions plugins)