Proxyman.io - Proxyman is a high-performance macOS app, which enables developers to view HTTP/HTTPS requests from apps and domains.
RegExr - RegExr.com is an online tool to learn, build, and test Regular Expressions.
Replay - One-Click Video Editor for iOS
Regulex - Open-source, regular expression parser and visualizer.
code-ray - Live debugging tool for software developers
HTTPDump - A simple, beautiful Webhook debugging tool.