Multipurpose http tunnel which runs through any firewall or proxy.
NeT Firewall is a comprehensive stateful firewall solution
Ideco Gateway protects corporate networks form external and internal attacs.
It is gives a full spectrum of opportunities to work with proxy-servers.
Proxychains is a proxy tool.
Encrypts your Internet connection and routes your surfing.
tcpproxy is a proxy (or tunnel or redirector) for TCP/IP protocols.
Collect and analyze comprehensive data on your WinRoute Internet gateway usage
ProxyCommander is a windows program.
Small and free internet proxy switcher tool that support different browsers
FoxyProxy is an advanced proxy management tool