GroundworkCSS is a 100% free and open source responsive HTML5, CSS and JavaScript Framework.
PaperCSS Alternatives
PaperCSS is described as '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 :)' and is a CSS Framework in the development category. There are more than 50 alternatives to PaperCSS for a variety of platforms, including Web-based, Self-Hosted, Mac, Windows and Linux apps. The best PaperCSS alternative is Bootstrap, which is both free and Open Source. Other great apps like PaperCSS are Tailwind CSS, CSS, Bulma and Semantic UI.
Alternatives list



Responsable is a responsive HTML CSS LESS SCSS framework with clean markup, normalized CSS, and responsive images. It allows for nested columns for easy grid nesting and customization, and provides base styles for forms, tables, and typography for faster startup on your projects.
Cost / License
- Free
- Open Source
Application types
Alerts
- Discontinued
Platforms
- Mac
- Windows
- Linux


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
yeti.css is a pattern library consisting of lightweight, reusable modules. It has been built to reflect &yet's visual and branding guidelines.



A grid system for responsive web design. Includes folding columns, elastic gutters, a zoomable baseline grid, and a delightful grid overlay script.
Cost / License
- Free
- Open Source
Platforms
- Online
Google's front-end web framework for building sites to the Material Design specification.



Less Framework is a CSS grid system for designing adaptive websites. It contains 4 layouts and 3 sets of typography presets, all based on a single grid.
- 77 960 Grid System alternatives
The 960 Grid System is an effort to streamline web development workflow by providing commonly used dimensions, based on a width of 960 pixels. There are two variants: 12 and 16 columns, which can be used separately or in tandem.






























