
Description: Codechef is a competitive programming community and website where programmers can practice coding problems and submit solutions to compete in programming contests. It features over 50,000 coders from across the world.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Edabit is a free platform for learning and practicing coding through interactive challenges. It offers bite-sized coding challenges in Python, JavaScript, Java, and more that allow users to improve their skills by solving fun and increasingly difficult problems.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API