
Description: Topcoat is an open-source CSS library created by Adobe to provide lightweight, reusable components for interface design. It offers a range of UI elements like buttons, menus, icons, etc. to help developers quickly build web apps with clean, minimalist design. Topcoat simplifies front-end development and aims to speed up the process.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Simple Grid is an open-source CSS grid framework for responsive web design. It provides a simple and lightweight grid system for building layouts with intuitive class names like .col-1-3 for spanning 1 out of 3 columns.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API