Bukkit

Have players easily access the wild.

VIP system with dates and keys

High performance sign-based lock plugin, highly customizable, UUID support.

SaveIt

Ever wanted Hashtags(#) and At Signs(@) in chat? Both metered to see how many times that particular sign has been used!

The reference in long-distance redstone transmissions!

Show WorldGuard regions on Dynmap's maps, with live update

play-star-wars-in-minecraft

Yet another LifeSteal plugin.

Displays horse stats such as jump height, speed, health, etc. with additional commands.

Play Team Foreress 2 right inside of Minecraft!

This plugin allows to compile MPL scripts on a server

Allow Player's to buy land that others can't grief

Private messaging plugin | Messages history, sound notifications, vanish, proxy support and more.

Redefining Weather

TitleManager plugin adds a simple and easy to use title system that is based on permissions

A TaupeGun spigot plugin that can be configured directly in game with an integrable database

Fear death as MonetaryDeathPenalty will remove currency from a player's account when they die.

Steel Security

Sentry is a Citizens2 Character that guards against mobs and players