Bukkit

Inexpensively protects your ores from cheaters.

bPermissions

Provides automated plots with protection (MultiWorld support)

Lightweight Protection for Chests, Furnaces, Dispensers, and more

A powerful and secure anti-grief tool for storage blocks, like private chests.

Lock your doors, chests and more !

Orebfuscator - Anti Xray

Bssentials GroupManager

High performance authorization plugin

CombatLog aims to punish players who log out to escape combat.

Hide from your players! Invisibility for the distinguished gentleman.

Simple & Effective Staff Utility To Freeze Players! [Very Customizable] When player's give you lemons, freeze them & make Ice Lemon Tea!

An advanced SQL based punishment management system for your server

Plugin for protecting the spawn from griefing and more!

Nerf those creepers

Hide and Custom your Plugins and other Commands!

A customizable faction plugin that focuses on promoting the multiplayer interaction!

Making reporting players simpler!

Offline-Mode authentication plugin [Free Sourcecode]

Residence