» 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.
» IDzap - Provides a free anonymous web surfing service and a list of resources for anonymous use on the Internet. Registration required. Also offers anonymous webhosting.
» Spam Mimic - Hides short messages in a fake spam; the recipient can decode them after receiving the real-looking "unsolicited commercial e-mail".