metro-bootstrap is described as 'Simple bootstrap from Twitter with Metro style' and is an app in the Development category. There are more than 25 alternatives to metro-bootstrap for a variety of platforms, including Online / Web-based, Self-Hosted solutions, CSS, jQuery and Bootstrap. The best alternative is Bootstrap, which is both free and Open Source. Other great apps like metro-bootstrap are Materialize (Free, Open Source), Tailwind CSS (Free, Open Source), Purecss (Free, Open Source) and Element UI (Free, Open Source).
Skeleton is a small collection of CSS & JS files that can help you rapidly develop sites that look beautiful at any size, be it a 17" laptop screen or an iPhone. Skeleton is built on three core principles: