
Description: Gumby is an open-source, flexible front-end framework built on top of Sass and Compass. It uses responsive grid systems, stylized elements, and templates to help developers quickly build websites and apps that work on any device.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Semantic UI is an open-source front-end development framework that helps web developers build consistent, responsive web pages and web applications. It provides theming capabilities, templates, and reusable UI components to quickly build modern interfaces.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API