Bukkit

Add Fully Configurable Info For Players[With Colorcodes & Permissions]

Make your creative server from redstone clocks, harm full blocks and potions and lagg machines!

Nickname & Skin changer plugin

Add a little bang to your server with EggRenade: An egg-based arsenal!

SuperWarn

Share fact messages with everyone on your server

Home Sweet Home

A plugin to enforce and enhance role playing

A /report plugin with MySQL support and more.

TPSign

Make it possible to add a multiplier on the amount of experience a player gains when he picks up experience orbs.

A competent timber plugin for you and your friends

joinPlus is a general joining plugin that can also check the knowledge of new players

Manage MOTD of your server, create gradient messages

Schedule commands to be run from a file in an ftp server:- web based commands!

Check if someone has kill aura, easy to use.

LimitOP

VoxelWireless

Allows you to fly in survival mode.

HubJetPacks