
Description: 500px is a photo sharing website and community built by photographers, for photographers. It allows users to upload, search, license and sell high-resolution photos. Known for its strict rating system and premium artistic photography.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Flickr is an image and video hosting website and web services suite that was created by Ludicorp in 2004 and acquired by Yahoo in 2005. It allows users to upload, store, share, and access images and videos for free or by paid subscription.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API