HTML 5 UP Alternatives

A modern responsive front-end framework based on Material Design

Open Source

A CSS Framework and a Set of React Components that Implement Google's Material Design

Open Source

RealityMAX is the most powerful free 3D design collaboration platform, 100% online. Cooperate remotely with your colleagues on 3D projects and easily share your work with clients. Create Web3D and AR experiences in a snap, without a line of code.

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A rock-solid default for HTML5 awesome.

Open Source

Simple and flexible HTML, CSS, and JS for popular UI components and interactions

Open Source

TopCoat, TopWeb, Rheologic, Software for coating, drying, converting, web handling, industries.

Open Source

Increase code readability. Add vendor prefixes to CSS rules using values from Can I Use. Autoprefixer will use the data based on current browser popularity and property support to apply prefixes for you.

Open Source

A UI Component library implemented using a set of specifications designed around natural language

Open Source

The most advanced responsive front-end framework in the world

Open Source

A lightweight CSS library that provides a set of predesigned elements for a fast web development. It follows a modern "flat" design using high contrasts and sharp borders.

Responsive, style-agnostic CSS framework

The SCSS framework for the modern web. It's component based, customizable, and completely open source.

Open Source free

Responsive HTML email templates for startups & developers

An enterprise-class UI design language and React implementation with a set of high-quality React components, one of best React UI library for enterprises

Open Source