
Description: Koa is a popular open source web application framework for Node.js that uses modern JavaScript features to serve scalable web apps. It provides a minimalist approach, rich middleware, and a key focus on error handling to build efficient and robust apps.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: AngularJS is a JavaScript framework for building dynamic web applications. It allows you to use HTML as your template language and lets you extend HTML's syntax to express your application's components clearly. AngularJS's data binding and dependency injection eliminate much of the code you would otherwise have to write.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API