Wee is an extensible front-end web development framework for building responsive websites using Less CSS paired with a powerful JavaScript library.
Platforms
- Online
Apps similar to Halfmoon include Bootstrap, which is free and open source. Other options are Tailwind CSS, Bulma, Semantic UI and Foundation. You're spoiled for choice with CSS Frameworks like Halfmoon: we list more than 50 alternatives for the web, self-hosting, Mac, Windows and Linux.
Wee is an extensible front-end web development framework for building responsive websites using Less CSS paired with a powerful JavaScript library.
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.
Slides is a simple and powerful HTML and CSS framework that lets you easily build beautiful static websites thanks to a flexible modular setup.




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.




Frow is an HTML and CSS framework for creating quick, responsive, mobile-first projects on the web.
This is the Responsive Grid System, a quick, easy and flexible way to create a responsive web site.
Unlike some component libraries, Reactstrap does not embed its own styles, and instead depends on the Bootstrap CSS framework for its styles and theme. This allows you to have consistent styles across your React-based components and static parts of your site, and allows you to...



Material Components for the web (MDC Web) help developers execute Material Design. Developed by a core team of engineers and UX designers at Google, these components enable a reliable development workflow to build beautiful and functional web projects.
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.




The variable grid system is a quick way to generate an underlying CSS grid for your site. The CSS generated file is based on the 960 Grid System.