
Description: Selenoid is an open source alternative to browser testing tools like Selenium Grid. It is lightweight, scalable, and allows running browser tests in Docker containers.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Cypress.io is an open source, front end testing tool built for the modern web. It allows you to write automated tests for your web applications in a simple and scalable way, handling complex tasks like end-to-end testing, unit testing, integration testing etc. Cypress runs directly in the browser for faster and more reliable tests.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API