
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: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Partial.js is a library for JavaScript that allows developers to build web apps with partial/progressive rendering capabilities. It lets you define parts of the page that can be incrementally fetched and rendered to speed up page load times.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API