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:
Halfmoon Alternatives
Halfmoon is described as 'Front-end framework with a built-in dark mode and full customizability using CSS variables; great for building dashboards and tools' and is a CSS Framework in the development category. There are more than 50 alternatives to Halfmoon for a variety of platforms, including Web-based, Self-Hosted, Mac, Windows and Linux apps. The best Halfmoon alternative is Bootstrap, which is both free and Open Source. Other great apps like Halfmoon are Tailwind CSS, Semantic UI, Bulma and Foundation.
Alternatives list
- 59 Panda CSS alternatives
CSS-in-JS with build time generated styles, RSC compatible, multi-variant support, and best-in-class developer experience.

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
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


A set of beautifully-designed, accessible components and a code distribution platform. Works with your favorite frameworks. Open source. Open code.

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 (MIT)
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
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




































