
Description: AppBrain is an app discovery and recommendation platform for Android apps. It provides an app search engine, app recommendations based on a user's installed apps, and app statistics and analytics.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: ApkTrack is an open source Android app store and package manager that allows you to discover, download and keep track of app updates. It provides an alternative way to find and manage Android apps outside of the Google Play Store.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API