Onion Routing  
   A product of the US Navy Research Lab, the Onion Routing is an Internet based system to prevent eavesdropping and traffic analysis attacks. It is now "off-line" but listed in the ODP for completeness and potential new developments.
   http://www.onion-router.net/

Spam Mimic  
   Hides short messages in a fake spam; the recipient can decode them after receiving the real-looking "unsolicited commercial e-mail".
   http://www.spamMimic.com

IDMask  
   Companion tool to Zapada.Com. Unique approach to anonymous Web surfing provided through Java applet-based application.
   http://www.idmask.com

IDzap  
   Provides a free anonymous web surfing service and a comprehensive list of resources for anonymous use on the internet. Registration required. Also offers anonymous webhosting.
   http://www.idzap.com/

Anonywasher  
   Tool to clean out browser cache, browser history, address bar, data saved for form auto-completion, temporary files, and cookies. Requires browser to run an ActiveX component. As of 5/2002 still a test product, but free.
   http://www.anonywasher.com/

Exits.ro  
   Tool for viewing Internet Explorer index.dat files, and some other privacy applications. Tool details, downloads and forums.
   http://www.exits.ro/