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.
Cost / License
- Free
- Open Source
Platforms
- Online
- jQuery UI
- jQuery
GroundworkCSS is described as '100% free and open source responsive HTML5, CSS and JavaScript Framework' and is a CSS Framework in the development category. There are more than 50 alternatives to GroundworkCSS for a variety of platforms, including Web-based, Self-Hosted, Mac, Windows and Linux apps. The best GroundworkCSS alternative is Bootstrap, which is both free and Open Source. Other great apps like GroundworkCSS are Tailwind CSS, Semantic UI, Foundation and UIkit.
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.
This is the Responsive Grid System, a quick, easy and flexible way to create a responsive web site.
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.




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.




Shoelace.css is a starter kit and not a framework. Customizable through CSS variables, it doesn’t require Less, Sass, or any preprocessing at all. The minified version is only 35.3KB and much smaller when gzipped.
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.
A powerful component library of 1000+ meticulously crafted, theme-ready UI components, blocks & templates built on Shadcn UI.




A minimalist and lightweight starter kit that prioritizes semantic syntax, making every HTML element responsive and elegant by default.
Saas UI is a React component library and starterkit that doesn't get in your way and helps you build intuitive SaaS products with speed.
