Bukkit

Allow players to buy/rent commands and permissions

Cave Ore Veins

Simply unrestricts the placement of items and blocks. This is great for both creative and non-creative servers!

Ban people/subnets/countries from "offline" servers

Spawn mobs automatically

Fully functional DeathBans plugin for 1.7.10+ with lives & a permission based override.

Cross-server Minecraft Mail

MobCash gives players money when they kill a mob

UltimateTranslator - Advanced translation system.

Backup your server

The first Anti-Swear plugin that uses Neural Networks.

When you're not playing /spec on gets you a teleporter and flight. You're invisible to players alive and you can't do damage.

Get mobs abilities by collection their DNA and combining it with yours!

A simple plugin that adds Elevators using Minecraft Signs

Lumberjack

Generate worlds that have approximately 50% ocean and 50% land. The perfect island mix!

Locate nearby ChestShops buying/selling an item.

Tesla Coil mob control

DiabloDrops

Lets you spawn god armor and tools