
Description: Susy is a lightweight and responsive CSS framework that makes it easy to build responsive layouts. It uses Sass to provide a syntax for easily declaring responsive layouts. Susy helps web developers quickly build flexible, customizable layouts that adapt to multiple screen sizes.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: UIkit is an open-source web framework for developing fast and powerful web interfaces. It provides a collection of HTML, CSS, and JS components to build responsive, mobile-first websites and apps.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API