Proxyman.io - Proxyman is a high-performance macOS app, which enables developers to view HTTP/HTTPS requests from apps and domains.
Android Survey Developer - Android Survey Developer lets you create industry strength mobile surveys for Android, by developing on your Windows desktop
Reactime - Time travel debugging tool, visualizing and tracing state
SimPholders - A small utility for fast access to your iPhone simulator apps.
code-ray - Live debugging tool for software developers
fastlane - Connect all iOS deployment tools into one streamlined workflow