eSafe gateway based content security providing protection against malicious software and spam/url filtering. [Windows and GNU/Linux] Also offers USB smart cards for token authentication and hardware dongles for software copy protection purposes.
Offers a NAT firewall, transparent proxy, secure email server, access control policies, user monitoring, VPN, and reverse proxy. Content filtering and anti-virus plug-ins available. [Windows]
Open source web proxy designed to help Internet users affected by Internet censorship securely bypass content-filtering systems. Its recommended use is amongst private, trusted relationships rather than as an open public proxy.
Forwarding, non-caching, HTTP proxy targeted for traffic optimization. This open source application works by compressing pictures and other data.[UNIX]
Offers connection sharing, bandwidth throttling and realtime graphical and data analysis of proxied traffic. Supports HTTP, FTP and POP3 traffic. [Windows]