Instabug - The top apps in the world rely on Instabug for beta testing, user engagement and crash reporting.
Proxyman.io - Proxyman is a high-performance macOS app, which enables developers to view HTTP/HTTPS requests from apps and domains.
Sonar by Facebook - Extensible mobile app debugging for iOS and Android
Replay - One-Click Video Editor for iOS
Buglife - Seriously awesome bug reporting for iOS apps
code-ray - Live debugging tool for software developers