Skeleton is a small collection of CSS & JS files that can help you rapidly develop sites that look beautiful at any size, be it a 17" laptop screen or an iPhone. Skeleton is built on three core principles:
Crow (column-row) grid framework Alternatives
Crow (column-row) grid framework is described as 'A smart grid framework, not just for grids' and is a CSS Framework in the development category. There are more than 50 alternatives to Crow (column-row) grid framework for a variety of platforms, including Web-based, Self-Hosted, Mac, Windows and Linux apps. The best Crow (column-row) grid framework alternative is Bootstrap, which is both free and Open Source. Other great apps like Crow (column-row) grid framework are Tailwind CSS, Semantic UI, Foundation and UIkit.
Alternatives list
A rock-solid default for HTML5 awesome. HTML5 Boilerplate is the professional badass's base HTML/CSS/JS template for a fast, robust and future-proof site.
Cost / License
- Free
- Open Source
Platforms
- Online
Front-end framework with a built-in dark mode and full customizability using CSS variables; great for building dashboards and tools.
Stylify is a library that generates utility-first CSS dynamically based on what you write. Write HTML. Get CSS 🚀.


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Topcoat is a brand new open source CSS library designed to help developers build web apps with an emphasis on speed. It evolved from the Adobe design language developed for Brackets, Edge Reflow, and feedback from the PhoneGap app developer community.
Eva Design System is a free and open-source, customizable design system. Available for Sketch with Mobile and Web component libraries.
Cost / License
- Free
- Open Source
Platforms
- Self-Hosted
- Sketch

Spectre.css is a lightweight, responsive and modern CSS framework for faster and extensible development.
Cost / License
- Free
- Open Source
Platforms
- Online
- LESS
- jQuery
This project's goal is to be able to create a fully accessible material design styled website using React Components and Sass.
Cost / License
- Free
- Open Source
Platforms
- Self-Hosted

Little Widgets is a collection of beautifully designed HTML website widgets and popups. It’s coded, responsive, animated and ready to use on your website.



Vuetify is a semantic component framework for Vue. Build amazing applications with the power of Vue and Material Design and a massive library of beautifully crafted components.



Flat UI Pro is made on the basis of Twitter Bootstrap in a stunning flat-style, and the kit also includes a PSD version for designers. Flat UI Pro contains a huge number of basic components, icons and glyphs.
Cost / License
- Paid
- Proprietary
Platforms
- Online


























