The best alternatives to Cloud Middleman are DevTools Remote, HTTP Toolkit, and Ray. If these 3 options don't work for you, we've listed a few more alternatives below.
Ray is a beautiful desktop app to fix problems faster in PHP and JavaScript projects. Free demo: check https://myray.app/ 30% discount on Ray: https://spatie.be/products/ray?referrer=product%20hunt
Capture, inspect, analyze, manipulate and mock all the HTTP, HTTPS and WebSocket traffic between your computer and the internet. Don't wait for the backend to be ready, generate custom API responses and start working on your application straightaway locally!