
Description: GroundworkCSS is an open-source CSS framework that provides responsive grid systems, typography, forms, buttons, navigation and other interface components for faster web development. It is lightweight and customizable.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: PrimeUI is an open source user interface component library for JavaServer Faces (JSF) and JavaServer Pages (JSP). It provides over 100 UI components to help developers rapidly create elegant, accessible, and responsive web applications. Some key components include data tables, charts, menus, overlays, messages, and dialogs.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API