
Description: KnockoutJS is a JavaScript library that makes it easier to create responsive user interfaces with a clear separation between view models and UI. It uses an MVVM architecture and data binding to update the UI automatically when data changes.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Sails.js is an open-source web application framework for Node.js that follows the MVC pattern. It helps developers build custom web apps and APIs with features like easy ORM, helpers for common tasks, convention over configuration, WebSocket support, efficient scalability and more.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API