
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: Leaf is an open-source CSS framework for creating responsive web pages and web apps. It offers a grid system, UI components, utilities, and more to help developers build sites quickly with clean, modern design.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API