Proxyman.io - Proxyman is a high-performance macOS app, which enables developers to view HTTP/HTTPS requests from apps and domains.
Replay - One-Click Video Editor for iOS
Endpoints - View and respond to requests on an HTTP endpoint
code-ray - Live debugging tool for software developers
httpbin(1) - HTTP request and response service
Vuetron - Vuetron provides an expanded toolkit to test and debug Vue.js applications.