
Description: Trails.js is an open source Node.js web application framework that helps developers organize and structure their code. It promotes code reusability with a modular architecture and includes features like routing, controllers, middleware, and more out of the box.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

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: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API