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:
MUI Alternatives
MUI is described as 'Lightweight HTML/CSS/JS framework that follows Google's Material Design guidelines' and is a CSS Framework in the development category. There are more than 50 alternatives to MUI, not only websites but also apps for a variety of platforms, including Self-Hosted, JavaScript, Tailwind CSS and Vue.js apps. The best MUI alternative is Bootstrap, which is both free and Open Source. Other great sites and apps similar to MUI are Tailwind CSS, Bulma, Foundation and UIkit.
Alternatives list
- 23 HTML5 Boilerplate alternatives
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
Bacuri is a minimalist framework that uses Material Design concepts, and has a plugin system to enhance its capabilities.
Cost / License
- Free
- Open Source
Platforms
- Self-Hosted
- npm
- Node.JS
- JavaScript
- Typescript
- 61 shadcn-ui alternatives
A set of beautifully-designed, accessible components and a code distribution platform. Works with your favorite frameworks. Open source. Open code.
Cost / License
- Free
- Open Source
Platforms
- Self-Hosted
- Next.js
- Laravel
- Typescript

- 94 Halfmoon alternatives
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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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.


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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

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.



























