Cloaking

fantomas shadowSniper(TM) Cloaking
cgi based cloaking program for unlimited number of gateway, stealth, or phantom pages for search engine optimization and page code protection.
http://fantomaster.com/fassniper0.html

IP Delivery
Search engine personalization software designed to prevent web pages from being copied by cloaking actual source code.
http://www.ip-delivery.com

Kloakit
Offers cloaking to protect your pages from theft, and to deliver optimized pages to search engines.
http://www.kloakit.com/

Search Engine Cloaker
A search engine cloaking and optimization script.
http://www.searchenginecloaker.com

SpiderHunter
Includes tutorial on cloaking scripts and how to track spiders from search engines.
http://www.spiderhunter.com