Charles Proxy
Fiddler
Proxyman.io
HTTP Toolkit
Surge for Mac
nginx
mitmproxy
Weer
Socket for Python
Kite
Sourcery
Charles Proxy
Socket for PythonFiddler - Fiddler is a debugging program for websites.
Kite - Kite helps you write code faster by bringing the web's programming knowledge into your editor.
Proxyman.io - Proxyman is a high-performance macOS app, which enables developers to view HTTP/HTTPS requests from apps and domains.
Sourcery - Sourcery reviews your code everywhere you work and automatically suggests improvements
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.
Surge for Mac - Advanced Web Debugging Proxy for Mac & iOS