Bukkit

BugFix manager plugin! Manage your bugfixes one place, download bugfix files and handle them runtime!

Make money, but if you die, you lose it all! Put your money in banks!

Full Server Join (Bypass Slot Limit)

ChatCensor, StaffChat, JumpPads, Welcome Message, TitleBar, Tablist, ChatControl

AntiPass is a plugin that picks up where NoCheat left off; it patches known NoCheat bypasses, and any new ones that will arise.

Bridge Ships to other plugins

ItemBans

NoPlugins Blockes the ingame /plugins command!

Tekkit Permittor

Allow tools to be repaired with raw materials using a Dispenser.

No longer see chat from other worlds

Ore To Client Obfuscation

New no fall damage plugin that works no matter what for all versions

You will never spawn on a roof again!

Hypnos is plugin about sleeping.

Prevents players with the correct permission from starving

IceBox- Make that Shiny Ice Block

RealisticDay

People can't escape pvp!

ChunkVisualizer - Easily allows you to view chunk borders.