
Description: TestFairy is a mobile app testing platform that allows developers to distribute beta apps and collect feedback from testers. It provides bug reporting, video recordings of UI tests, crash reporting, and user metrics.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Fabric is a mobile app development platform created by Twitter. It provides tools for crash reporting, app analytics, network request tracing, and mobile app distribution.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API