Anonymous web proxy, with additional features for subscribers.

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.

Anonymous web proxy service with advanced privacy features

Server-based Christian Internet filter with no password override for homes, schools and businesses. Blocks material in ten categories.

Free web proxy with optional removal of cookies, scripts, ads and referers.

Manages ICRA and RSACi self-rating systems. RSACi broadly rates sex, nudity, violence, and profanity on a scale of 1-4. ICRA specifically rates yes/no whether content contains specific types of chat, sex, nudity, violence, profanity, or drug use.

Offers anonymous surfing, secure tunneling, dial-up, and website hosting services. Very limited free version.

Free anonymous surfing, email and text-only Usenet posting.

URL- and keyword-based Internet filtering and blocking proxy. 20 blocking categories.

Lists of proxy servers in Japanese.

Internet filtering, blocking and monitoring software for Windows. Blocking list updates require subscription.

Browser based service that offers anonymous web surfing, cookie filtering, Javascript filtering, bookmarking and rewards programs.

Monitoring and URL-based blocking proxy for Windows. Blocking categories are Pornography, Violence, Drugs and Alcohol, Gambling, Hate Speech, Adult Subjects, and Weaponry.

Offers Internet access acceleration using file compression and a network of cache servers. Includes pop-up ad and spyware blocking functionality. [Windows]

Lists of public anonymous and IRC proxy servers, and a forum.

Information on proxy servers and getting around ISP filters and port blocking.

Access, post and download from any WWW or FTP page via secure encrypted web proxy servers. Also offers free uncensored newsgroup access via the web.

ContentWatch provides software to protect from objectionable content on the Internet.

Internet access management system allows an organization to monitor, report and manage internal Internet use.

Freeware for Unix. Caching proxy which can block ads. You can also use squidGuard and SleezeBall to help do this.