
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: Pixelfed is an open-source, federated alternative to Instagram. It allows users to post photos, videos, and comments in a social media platform that is decentralized and gives users more control over their data and privacy.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API