Weer - A HTTP protocol debugger with Chrome DevTools frontend interface
Fiddler - Fiddler is a debugging program for websites.
Proxyman.io - Proxyman is a high-performance macOS app, which enables developers to view HTTP/HTTPS requests from apps and domains.
HTTP Toolkit - Beautiful, cross-platform & open-source tools to debug, test & build with HTTP(S). One-click setup for browsers, servers, Android, CLI tools, scripts and more.
James - James is a HTTP Proxy and Monitor that enables developers to view and intercept requests made from...
mitmproxy - mitmproxy is an SSL-capable man-in-the-middle proxy for HTTP.