Microsoft Web Framework is described as 'MWF is a system that allows site authors to consider how best to tell the story of Microsoft products and services with confidence that the modular pieces will support and work together' and is an app in the Development category. There are more than 100 alternatives to Microsoft Web Framework for a variety of platforms, including Online / Web-based, Self-Hosted solutions, Windows, Linux and Mac. The best alternative is Bootstrap, which is both free and Open Source. Other great apps like Microsoft Web Framework are Vue.js (Free, Open Source), React (Free, Open Source), AngularJS (Free, Open Source) and Bulma (Free, Open Source).
Topcoat is a brand new open source CSS library designed to help developers build web apps with an emphasis on speed. It evolved from the Adobe design language developed for Brackets, Edge Reflow, and feedback from the PhoneGap app developer community.
This project's goal is to be able to create a fully accessible material design styled website using React Components and Sass. With the separation of styles in Sass instead of inline styles, it should hopefully be easy to create custom components with the existing styles.