Surge for Mac - Advanced Web Debugging Proxy for Mac & iOS

James - James is a HTTP Proxy and Monitor that enables developers to view and intercept requests made from...

Charles Proxy - HTTP proxy / HTTP monitor / Reverse Proxy

HTTP Headers - HTTP Headers allows you to quickly see the HTTP header information for the current URL.

mitmproxy - mitmproxy is an SSL-capable man-in-the-middle proxy for HTTP.

Cellist - Cellist is an all-in-one HTTP debugging proxy software designed for OS that provides a straightforward approach to put a proxy between the HTTP client and the internet.