Bukkit

No more Session Stealing

Spectre

Because normal muting plugins are boring: Troll your server's trolls back!

Better Creative

a way for players to report on players.

Stop players dropping items!

Deadlyfe

Lets players check the accuracy of other players!

Vehicle Lock

Simple gates plugin for Bukkit

WARNED! lets you warn players and have them kicked after a configurable amount or warnings!

Curse

Perform configurable actions when a skin type (edgy teenager) is detected

iCreative

Le' Ban Hammer

Build towns!

gear - project abandoned

IM-Admin

with this plugin you can ban time with /ban

spawn protection