
Description: Onsen UI is an open source framework that makes it easy to create mobile apps with HTML5, CSS and JavaScript. It offers responsive UI components, gestures and animations that follow platform conventions across iOS, Android and the web.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Reapp is an open-source web framework for building user interfaces with React. It features a declarative programming style, reusable UI components, and integration with common APIs and services.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API