HTTPScoop - HTTP Scoop is a Mac network sniffer that displays requests to websites along with the response, and...
Fiddler - Fiddler is a debugging program for websites.
uProxy - Internet without borders. A safer path to Internet.
Proxyman.io - Proxyman is a high-performance macOS app, which enables developers to view HTTP/HTTPS requests from apps and domains.
Surge for Mac - Advanced Web Debugging Proxy for Mac & iOS
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.