GroundworkCSS is a 100% free and open source responsive HTML5, CSS and JavaScript Framework.
Materialize Alternatives
Materialize is described as 'Simple. Built on open source. The responsive front-end library based on Google's Material Design' and is a CSS Framework in the development category. There are more than 50 alternatives to Materialize for a variety of platforms, including Web-based, Self-Hosted, Mac, Windows and Linux apps. The best Materialize alternative is Bootstrap, which is both free and Open Source. Other great apps like Materialize are Tailwind CSS, Semantic UI, Material UI and Foundation.
Alternatives list
Phonon is a front-end framework made with mobile and desktop in mind. It offers clear and neutral components that integrate best practices and ideas coming from well-known design styles.
Cost / License
- Free
- Open Source
Application type
Platforms
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- iPad
yeti.css is a pattern library consisting of lightweight, reusable modules. It has been built to reflect &yet's visual and branding guidelines.



Cost / License
- Free
- Open Source
Platforms
- Online
The Goldilocks Approach to Responsive Web Design - A good starting point for design that takes device resolution out of the equation.
Cost / License
- Free
- Open Source
Platforms
- Online


+5
EFY allows you to customize the design of your html based apps or websites from an UI sidebar menu and combine billions of possible patterns. You can also create, share or import json themes for easier access. All apps that use efy can share the same theme or individual themes.


+5
Create beautiful, responsive & accessible web apps quickly with Vue or Nuxt. Nuxt UI is an open-source UI library of 100+ customizable components built with Tailwind CSS and Reka UI.
Cost / License
- Free
- Open Source (MIT)
Application type
Platforms
- Self-Hosted
- Nuxt.js
- Vue.js
- Tailwind CSS
- Figma


+4
Webments is a collection of libre frameworks designed with scratch CSS using different design languages.
Cost / License
- Free
- Open Source
Application types
Platforms
- Online
- Self-Hosted


+1
The Fluid Baseline Grid System is an HTML5 & CSS3 development kit that provides a solid foundation to quickly design websites with ease.
Cost / License
- Free
- Open Source
Platforms
- Online
I got tired of mODerN STylEs and clean pages on the internet. I also wanted to learn more about Flexbox and Less. So I made PaperCSS to solve these two challenges of mine :)


























