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.

Set up custom villager shopkeepers

EssentialsX

The best chest&sign shop system for Bukkit

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

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

iConomy - Reloaded!

Commandless, Multi World, Player Owned Shops (Vault)

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

Another auction house plugin.

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

Jobs Reborn

This allows players with permissons, to give other players points

Run Custom Commands on Votes! Now with “Lucky Votes” configurable chance to get extras!

The #1 platform for funding your community.

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

Kill an entity and earn rewards

Orebfuscator - Anti Xray

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