
Description: Factor.dev is an open-source platform for building, deploying, and collaborating on web apps using .NET and React. It provides a full-stack development environment with built-in CLI, IDE, runtime, databases, and deployment capabilities.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: ExpressJS is a popular, minimalist web application framework for Node.js. It provides helpful functionality for building web servers and APIs, including routing, middleware, view rendering, and more. ExpressJS aims to make building web applications with Node.js easier and faster.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API