Windows (32-bit) filtering program for web, news, mail, and ICQ which supports PICS and can keep history of all Internet activity. Free block list updates. 30-day free trial. http://www.cybersitter.com/
A toolbar for Internet Explorer which blocks sites containing spyware, viruses and worms, and helps protect against identity theft and phishing. For Windows computers. http://www.cloudmark.com/
Offers category based url filtering and download blocking by file type. Web access can be segregated by user, machine and/or schedule. [Windows, Red Hat Linux] http://www.n2h2.com/
Blocks access to sites that in the judgement of the Anti-Defamation League advocate hatred, bigotry, or violence against groups based on their religion, race, ethnicity, sexual orientation or other immutable characteristics. http://www.adl.org/hatefilter/
Server-based Christian Internet filter with no password override for homes, schools and businesses. Blocks material in ten categories. http://www.afafilter.com/