Best CSS Frameworks on GitHub (2026)

Q: What is the best css frameworks on GitHub?

Based on the RepoRadar scoring engine, twbs/bootstrap is currently the top-ranked css frameworks with 174.3k stars and a score of 99/100.

Q: When was this css frameworks list last updated?

This list was last updated on 2026-06-19. Data is sourced directly from GitHub's public API.

This list contains the top 12 css frameworks on GitHub, ranked by the RepoRadar scoring engine across five quality dimensions. The top-ranked repo is twbs/bootstrap with 174.3k stars. Projects span written in MDX, TypeScript, Rust, JavaScript. Data last updated 2026-06-19.

Updated 2026-06-19 · 12 repos · Data: GitHub public API

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The most popular HTML, CSS, and JavaScript framework for developing responsive, mobile first projects on the web.

★174.3k ⑂ 78,803 ⚠ 447 MDX updated 11 hours ago

bootstrapcsscss-frameworkhtml

A powerful cross-platform UI toolkit for building native-quality iOS, Android, and Progressive Web Apps with HTML, CSS, and JavaScript.

★52.5k ⑂ 13,357 ⚠ 627 TypeScript updated 12 hours ago

angularcapacitorframeworkfrontend

A utility-first CSS framework for rapid UI development.

★95.7k ⑂ 5,298 ⚠ 67 TypeScript updated 22 hours ago

csscss-frameworkfunctional-csspostcss

All Results

Curated list of design and UI resources from stock photos, web templates, CSS frameworks, UI libraries, tools and much more

★66.1k ⑂ 12,095 ⚠ 46 updated 26 days ago

Fullstack app framework for web, desktop, and mobile.

★36.4k ⑂ 1,698 ⚠ 688 Rust updated yesterday

androidcssdesktophtml

Transforming styles with JS plugins

★29k ⑂ 1,593 ⚠ 30 TypeScript updated 2 days ago

astcssframeworkparser

Materialize, a CSS Framework based on Material Design

★38.9k ⑂ 4,629 ⚠ 793 JavaScript updated 2 months ago

csscss-frameworkdesignframework

Minimal CSS Framework for semantic HTML

★16.7k ⑂ 502 ⚠ 124 CSS updated 1 month ago

csscss-frameworkdark-modedark-theme

Bootstrap 5 & Material Design UI KIT

★24.3k ⑂ 3,442 ⚠ 26 SCSS updated 2 months ago

bootstrapbootstrap-materialbootstrap-templatebootstrap-theme

Modern CSS framework based on Flexbox

★50.1k ⑂ 3,895 ⚠ 522 CSS updated 3 months ago

csscss-frameworkdesignflexbox

NES-style CSS Framework | ファミコン風CSSフレームワーク

★21.8k ⑂ 1,693 ⚠ 79 SCSS updated 2 years ago

8bitcsscss-frameworknes

Mini projects built with HTML5, CSS & JavaScript. No frameworks or libraries

★16.1k ⑂ 4,393 ⚠ 26 JavaScript updated 2 years ago

Frequently Asked Questions

What is the best css frameworks on GitHub?

Based on the RepoRadar scoring engine, twbs/bootstrap is currently the top-ranked option with 174.3k stars and a score of 99/100.

How are css frameworks repositories ranked?

Repositories are ranked by the RepoRadar score — a composite of five dimensions: Popularity (35%), Freshness (25%), Maintenance (20%), Community (10%), and Completeness (10%). Scores range from 0–100.

When was this list last updated?

This list was last updated on 2026-06-19. Data is sourced directly from GitHub's public API. No cached or fabricated repositories are used.

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