Bukkit

Download|Source(Not updated)

Version 1.4.1

Features list:
An easy to use config file.
Simple chat censoring
Added a bypass with PermissionsBukkit
Configurable auto-kick.
Configurable lightning strike.
Configurable slay
Configurable Hunger drop
Configurable health drop
OP support
Todo List:
Counter .s and spaces and other mistypes of the banned words.
Changelog:
First edition of the plugin, just basic censoring.
Added a permission node to bypass ChatSentry. (PermissionsBukkit)
Added configurable auto-kick
Added configurable lightning strike.
Add configurable punishments.
Added op support.
Howto install:
Download the jar
Copy and paste it into your plugins folder
Reload/restart your server
Config file should have generated in your plugin/ChatSentry directory.
Default config:

banned-words:
- crap
- bum
- idiot
- noob
hurt-health: 0
lightning: 0
auto-kick: 0
kill: 0
set-health: 0
hurt-hunger: 0
set-hunger: 0

Add more in the same format.
Replace the 0 on hurt-hunger, hurt health lightning,auto-kick and kill with 1 to turn the one you change on.
Change set-health to the amount of health they have after saying a banned word.
Change set-hunger to the amount of health they have after saying a banned word.
Note: It isn't case sensitive so no need for like CrAp etc. It doesn't support cr.ap though.

Using the plugin:
If someone types a word on the banned-words list, it will tell them that they can't say that and their message won't be given to other players.

Permissions:
Using PermissionsBukkit. The node is ChatSentry.bypass