
Description: Sassy-validation is a software tool that helps validate CSS stylesheets using SassScript syntax. It can check things like variable definitions, mixin usage, placeholder selectors, and nested CSS rules.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Material UI is an open-source React component library that implements Google's Material Design. It provides developers with reusable UI components to help build user interfaces more efficiently.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API