Bukkit

Claim land of any shape, not just within a chunk

Addeds the Ability to play music from a custom resourcepack on a server, without overriding existing music

show the kills an death with the Scoreboard

Change the colour of the server chat!

An mcMMO themed plugin for horse role-playing.

LoginSecurity

Library for intercepting sent and receieved Minecraft packets.

Change your ingame skin

Backup and restore your server with ease. [aupports FTP]

Mine spawners with silk touch

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

Make your own, customized Minecraft commands

Chat management plugin for nearly every permissions plugin.

Stops people from breaking farmland

Another auction house plugin.

An API for all of Zombie_Striker's plugins

Exotic Garden

UltimateHeadFinder

Guilds, war, land claiming, and user-controlled antigrief

The one and only Troll Plugin you will ever need!