
Description: Backdrops is a free, open-source background and wallpaper app for Linux desktops. It provides a simple interface to browse and apply backgrounds, with support for multiple monitors. Backdrops pulls wallpapers from popular online sources like Unsplash and features creative commons licensed images.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Zedge is a popular app and website for Android that allows users to customize their device with free ringtones, notification sounds, wallpapers, and more. It offers a large library of content created by users that can be browsed and downloaded simply and easily.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API