This entry was published at least two years ago (originally posted on March 19, 2020). Since that time the information may have become outdated or my beliefs may have changed (in general, assume a more open and liberal current viewpoint). A fuller disclaimer is available.
Proxyman – Modern and Delightful HTTP Debugging Proxy on macOS: Proxyman is a native, high-performance macOS application, which enables developers to observe and manipulate HTTP/HTTPS requests.