proxy server

TekSIP is a SIP Registrar and Stateless SIP Proxy for Windows.

yxorp is a reverse proxy and application level firewall for the HTTP protocol

Pound program is a reverse proxy, load balancer and HTTPS front-end

A fast web proxy.

Tired of not being able to use applications because of a firewall/proxy

Proxychains is a proxy tool.

This CGI script acts as an HTTP or FTP proxy.

Controls ie windows and properties, sets proxy, kills popups, search in web

You can bypass any proxy and firewall with Surfnolimit_bypass_proxy

HTTPort allows anyone to use Internet services from behind an HTTP proxy.