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.
IP Delivery
Search engine personalization software designed to prevent web pages from being copied by cloaking actual source code.
Kloakit
Offers cloaking to protect your pages from theft, and to deliver optimized pages to search engines.
Search Engine Cloaker
A search engine cloaking and optimization script.
SpiderHunter
Includes tutorial on cloaking scripts and how to track spiders from search engines.