Bukkit

Players can catch and spread viruses

KillZone - Bukkit Call of Duty.

The Doge Plugin

Use color in chat and on signs

WarpCost a very simple Drop in warp plugin

Random identification of item entries

Customized Crate plugin where the crates are crafted!

TheSudo

SlotMachines

Allows you to place blocks that change colors like rainbows!

A minecraft statistics plugin with webpage.

ClusterAPI is a API for Minecraft Plugin Developers to use to make their projects easier and faster.

ForgottenFake by 4w3s0m3G4m3r

A simple way to control you players's enderchests around the world.

It's your sky! Change sky, fog, and cloud colors!

Give your floor special abilities!

Ender Portal Frame blocks work as small very customizeable portals for players. Super access and customize system...

Bring back the pusf to minecraft

An assortment of customizations for MineCraft servers using Bukkit and a few commands throw in.

Track Players with a compass!