
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: APKGrabber.com is a free online tool that allows you to download APK files from the Google Play Store without needing an Android device. It retrieves APK files that you can then sideload onto Android devices.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API