This is the Responsive Grid System, a quick, easy and flexible way to create a responsive web site.
Cost / License
- Free
- Open Source
Platforms
- Online
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 Web-based, Self-Hosted, Windows, Linux and Mac apps. The best Microsoft Web Framework alternative is Bootstrap, which is both free and Open Source. Other great apps like Microsoft Web Framework are Vue.js, Angular, Tailwind CSS and React.
This is the Responsive Grid System, a quick, easy and flexible way to create a responsive web site.
Frow is an HTML and CSS framework for creating quick, responsive, mobile-first projects on the web.
PrimeUI is a collection of rich javascript widgets based on jQuery UI. PrimeUI is a spin-off from the popular JavaServer Faces Component Suite, PrimeFaces.
Build your website interface using a responsive CSS framework with various components and with integrated dynamic functionalities.
Free for non-commercial purposes.



Free framework offering 400+ UI elements, 600+ icons, numerous CSS animations, responsive design, SASS files, customizable templates, comprehensive tutorials, active community, detailed documentation, and support for jQuery, Angular, React, and Vue.




Lightning fast web authoring library targeted at creating web components with data binding, repeaters and more features. http://slimjs.com.
Pixel Lite Bootstrap 4 UI Kit is a beautifully crafted UI Kit based on Bootstrap 4 Components. This theme was built following Bootstrap's methodologies by the heart. It has 100 components, 3 plugins and 3 example pages.




A modular next gen framework built with ES6 and Web components. Includes routing, data-binding, event handling and animations.

Creative Tim provides a range of design elements that are built upon the Bootstrap framework, designed to expedite your web development process. The platform encompasses a spectrum of resources from simple plugins to comprehensive kits, catering to a wide array of development...
With more than 80 UI components, including advanced tables, charts, and forms, this open-source JavaScript framework will help you build complex, data-rich web applications faster and more efficiently.
Lite CSS is a simple but also unique web framework. The term 'Lite' expresses the simplicity but also how light the project is!
Rax is a universal JavaScript library built and used by Alibaba.com that has a largely React compatible API.