HTTPDump - A simple, beautiful Webhook debugging tool.
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
Rollout - Fix or prevent critical bugs while your app is live.
Reactime - Time travel debugging tool, visualizing and tracing state
RegViz - Debugging regular expressions visually