Galen Framework : Automated testing of look and feel for your responsive websites.
Layout testing seemed always a complex task. Galen Framework offers a simple solution...
Spectre.css : Spectre.css is a lightweight, responsive and modern CSS framework for faster and extensible development.
lightweight and clean starting point for your...
Sizzy : A tool for developing responsive websites crazy-fast.
Open sourced : https://github.com/kitze/sizzy
Foundation : An easy to use, powerful, and flexible framework for building prototypes and production code on any kind of device.
Breaking CSS is easy. Checking every responsive page element is hard. That’s why there's BackstopJS.
