Top 5 Open-Source Alternatives to Flat UI

Flat UI

Free Bootstrap Framework and Theme

Status Page

Product categories

CSS Framework Design Tools Developer Tools Development Tools React React Components UI Web Frameworks

Summary

The top open-source alternatives to Flat UI are Bootstrap, Material Design Lite, and Bulma. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

Bootstrap Landing Page
1

Bootstrap

Simple and flexible HTML, CSS, and JS for popular UI components and interactions
Pricing:
- Open Source
#Developer Tools #Design Tools #Web Frameworks 331 social mentions
Material Design Lite Landing Page
2

Material Design Lite

Material Design Lite Components in HTML/CSS/JS
Pricing:
- Open Source
#CSS Framework #Design Tools #Developer Tools 4 social mentions
Bulma Landing Page
3

Bulma

Bulma is an open source CSS framework based on Flexbox and built with Sass. It's 100% responsive, fully modular, and available for free.
Pricing:
- Open Source
#CSS Framework #Development Tools #Design Tools 109 social mentions
Ant Design Landing Page
4

Ant Design

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
Pricing:
- Open Source
#Development Tools #Design Tools #UI 97 social mentions
Material UI Landing Page
5

Material UI

A CSS Framework and a Set of React Components that Implement Google's Material Design
Pricing:
- Open Source
#Design Tools #Developer Tools #CSS Framework 75 social mentions