Proxyman is a native, high-performance HTTP debugging proxy app for macOS, iOS, Windows, and Linux. Capture, inspect, and mock HTTP/HTTPS requests with ease. The best Charles Proxy and Fiddler alternative for developers.

Voiden.md is an offline-first, Git-native API workspace that unifies specs, docs, tests, and mocks using programmable Markdown blocks. Build APIs the way you actually work.

https://joeblu.com/blog/2023_06_mocks/