Hamachi - Hamachi is a VPN service scaled to the unique needs of business owners.
CCProxy - Want to share Internet connection? Get every computer online through a single Internet connection?
PHP-Proxy - A web proxy script written in PHP and created as an alternative to Glype.
Apache Traffic Server - Fast, scalable and extensible HTTP/S 2 and 1.1 compliant caching proxy server.
CGIProxy - CGIProxy acts as an HTTP, HTTPS, or FTP proxy through it, the user can retrieve any resource that is accessible from the server.
3proxy - 3proxy freeware proxy server for Windows and Unix. HTTP, SOCKS, FTP, POP3