Bukkit

The true Herobrine!

Donor Dreams

Speedways

The Key Stone plugin suite offers a massively customisable collection of modules designed to work together.

ServerManager

iPermissions

WWBank

TEssentials

Battle Adventure

A mod to aid in construction on survival servers.

An add-on for the Towny Advanced plugin to allow non-grief PVP

FightSoups

Enable clojure plugins on minecraft

S2S

Legendary-Towny

A server-mod modeled after Valve's Half-Life 2 mod, The Hidden:Source!

A minecraft spinoff of capture the flag

Teleporter Portals

Spread potion effects the same way real (not computer :P) viruses spread real disease!

An extension of sign system in bukkit.