Bukkit

TicketManager - the plugin for organizing admin requests

A plugin which protects your chest from other Players without putting signs on it!

A plugin that allows players to turn on/off pvp

Allows you to toggle whether a player can pickup items.

Whitelist management based on a permissions node. Let non-whitelisted people join the server to look, but not touch.

A easy to use Anti TNT Plugin

Kill PvP Loggers

kMuteAll

Identify and ban bots that connect to the server for the sole purpose of spamming it

NoPain

Prevent players from riding other players' horses, donkeys, and mules

ServerGuard

Fired! Kill yourself

Keep players from teleporting in/out of WorldGuarded regions

A custom AntiCheat plugin

NoSteal-EXP

Make staff or players have to log in.

Block Limiter

"MY BIG BROTHER DID IT" protection at its finest.

Adds a simple, lightweight, effective graylisting system to your server