mitmproxy is an interactive, SSL-capable man-in-the-middle proxy for HTTP with a console interface.
Gute Ãœbersicht was man alles so mit mod_proxy und Konsorten anstellen kann
Fiddler is a Web Debugging Proxy which logs all HTTP(S) traffic between your computer and the Internet. Fiddler allows you to inspect all HTTP(S) traffic, set breakpoints, and "fiddle" with incoming or outgoing data. Fiddler includes a powerful event-based scripting subsystem, and can be extended using any .NET language.