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Top 23 CSS Css3 Projects
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freebies
Source code for Uisual templates. Free HTML/CSS landing page templates for startups. New template every week.
Project mention: Ask HN: Freelancer? Seeking freelancer? (October 2025) | news.ycombinator.com | 2025-10-01 -
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Neubrutalism
A modern, minimalist CSS library that embraces bold design principles, high-contrast aesthetics, and a no-nonsense approach to web design. Inspired by the Brutalist architecture movement, this library focuses on raw, honest, and functional design.
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vanilla-css-design-system
Purely Vanilla: A Minimalist CSS Design System (no SCSS or JavaScript needed)
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CSS-Image-Loader
Add a image loader & image load error (without adding an HTML element or using JS).
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NextGenCSS-
A flexible and fast utility-first CSS framework with Customizable Syntax , made for big teams and for consistent naming conventions in CSS with SASS
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quotes-generator-react
It is a simple Quotes Generator Web Application built using ReactJS and Quotes API.
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NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
CSS Css3 discussion
CSS Css3 related posts
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I Create Classic CSS Framework β¨ | Read Documentation
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Classic CSS Framework
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π Classic-CSS: A Modern Framework with Old-School Discipline π π€
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Vanilla CSS Design System
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Show HN: Uisual β Free Tailwind CSS Components and Templates (No JavaScript)
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4 years of programming ...
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Classless.css β Less Classes. Less Overhead
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A note from our sponsor - SaaSHub
www.saashub.com | 10 Jun 2026
Index
What are some of the best open-source Css3 projects in CSS? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | You-need-to-know-css | 5,450 |
| 2 | css_tricks | 4,106 |
| 3 | vivify | 1,677 |
| 4 | gridlex | 1,368 |
| 5 | freebies | 461 |
| 6 | CSS3 | 189 |
| 7 | Skills-CSS | 97 |
| 8 | css-flags | 96 |
| 9 | ispinner | 54 |
| 10 | Neubrutalism | 47 |
| 11 | Dynamic.css | 45 |
| 12 | vanilla-css-design-system | 42 |
| 13 | modalcss | 25 |
| 14 | CSS-Image-Loader | 24 |
| 15 | components | 22 |
| 16 | fieber | 19 |
| 17 | Flask-FomanticUI | 18 |
| 18 | NextGenCSS- | 17 |
| 19 | web-dev-practice | 9 |
| 20 | quotes-generator-react | 7 |
| 21 | yag-nord | 6 |
| 22 | glass-morphism | 5 |
| 23 | Hacker_Man | 4 |
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