Bukkit

Vault is a Economy/Permission plugin for hooking into the various Economy and Permission plugins.

A collection of useful commands and features for server admins and players.

EssentialsX

Set up custom villager shopkeepers

The best chest&sign shop system for Bukkit

Allows server admins to easily modify how Minecraft works without programming anything

Another auction house plugin.

QuickSell

Lets you sell a players heads for half of their money

The all in one Shop plugin, With a sexy GUI, Sleek code, and light weight performance!

Adds Lotto, Loans, Stocks

LimitDrops

Multiverse Inventories allows you to control who and what can cross world borders!

Jobs Reborn

Unique and challenging custom achievements or quest-like objectives on your server! Books, fancy GUI, rankings, rewards, effects and more!

Enchant any item with whatever you want, add lore to items, rename items too! UberEnchant has it all!

Get custom items on join.

Replicate first-person shooters with advanced gun-mechanics and a vast number of exciting and fully customisable features.

All what you need for economy on your server. Money/Shops/Jobs/Towns

Commandless, Multi World, Player Owned Shops (Vault)