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

Description: G-Droid is an open source alternative to the Google Play Store. It allows you to easily browse, install, and manage Android apps without relying on Google services.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API