
Description: W3Schools is a popular web development reference website that provides free tutorials and references on web technologies such as HTML, CSS, JavaScript, and more. It is known for its simple explanations and examples.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: SoloLearn is a free mobile and web platform for learning programming languages and concepts. It offers bite-sized coding lessons and quizzes for languages like Python, Java, C++, HTML/CSS, JavaScript, and more.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API