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:
Lite CSS Alternatives
Lite CSS is described as 'Simple but also unique web framework. The term 'Lite' expresses the simplicity but also how light the project is!' and is a CSS Framework in the development category. There are more than 50 alternatives to Lite CSS, not only websites but also apps for a variety of platforms, including Self-Hosted, Mac, Windows and Linux apps. The best Lite CSS alternative is Bootstrap, which is both free and Open Source. Other great sites and apps similar to Lite CSS are Tailwind CSS, Bulma, Semantic UI and Foundation.
Alternatives list
- 81 Skeleton alternatives
Front-end framework with a built-in dark mode and full customizability using CSS variables; great for building dashboards and tools.
- 41 jQuery Mobile alternatives
A unified, HTML5-based user interface system for all popular mobile device platforms, built on the rock-solid jQuery and jQuery UI foundation. Its lightweight code is built with progressive enhancement, and has a flexible, easily themeable design.
Cost / License
- Free
- Open Source
Alerts
- Discontinued
Platforms
- Online
- jQuery


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.
Topcoat is the most popular Windows, Mac & Linux alternative to Lite CSS.
- Topcoat is Free and Open Source
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.
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

- 51 Metro UI CSS alternatives
Metro UI CSS a set of styles to create a site with an interface similar to Windows 8.
Cost / License
- Free
- Open Source
Platforms
- Online
- LESS
- jQuery
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.



Simple. Robust. Responsive. Flexible.
Based on Flexbox (CSS Flexible Box Layout Module), Gridlex is a very simple css grid system to quickly create modern layouts and submodules.

Mobile Angular UI is a mobile UI framework just like Sencha Touch or jQuery Mobile. If you know Angular JS and Twitter Bootstrap you already know it!
Cost / License
- Free
- Open Source
Platforms
- Self-Hosted





























