UserTesting.com - Usability testing has never been easier. Get videos of real people speaking their thoughts as they use websites, mobile apps, prototypes and more!
Proxyman.io - Proxyman is a high-performance macOS app, which enables developers to view HTTP/HTTPS requests from apps and domains.
Instabug - The top apps in the world rely on Instabug for beta testing, user engagement and crash reporting.
Replay - One-Click Video Editor for iOS
Userbrain - Easy, fast, and affordable user testing for websites and prototypes.
HTTPDump - A simple, beautiful Webhook debugging tool.