
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: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Countly is an open source web analytics platform that provides insights into user behavior on mobile and web applications. It tracks sessions, page views, crashes, and more to help developers understand user engagement.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API