CSS CSS

Open-source CSS projects categorized as CSS

Top 23 CSS CSS Projects

  1. animate.css

    ๐Ÿฟ A cross-browser library of CSS animations. As easy to use as an easy thing.

    Project mention: 6 CSS animation libraries to bring your project to life in 2025 | dev.to | 2025-05-27

    Animate CSS is a highly customizable CSS animation library. It can be used as an npm package, or accessed directly via CDN. On the main page of the Animate CSS website, we have both the documentation and on the right, the animation classes: Adding an animation using Animate CSS is as easy as:

  2. InfluxDB

    InfluxDB โ€“ Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.

    InfluxDB logo
  3. normalize.css

    A modern alternative to CSS resets

    Project mention: How To Design Front-end UI Components | dev.to | 2025-01-10

    SUIT CSS was founded around 2013 by Nicolas Gallagher, the author of Normalize.css. Although it is now essentially unmaintained, its ideas based on component development still have relevance.

  4. Bulma

    Modern CSS framework based on Flexbox

    Project mention: A deliberate practice app for guitar players who want to level up | news.ycombinator.com | 2025-03-31

    Thanks! Much credit goes to the Bulma[1] css framework, I guess. I am mostly a backend dev. I've just used bulma for the most part and tried to avoid anything fancy.

    [1]: https://bulma.io/

  5. pico

    Minimal CSS Framework for semantic HTML

    Project mention: The Missing CSS Stylesheet | news.ycombinator.com | 2025-04-29
  6. ratchet

    Build mobile apps with simple HTML, CSS, and JavaScript components.

  7. tachyons

    Functional css for humans

    Project mention: Atomic CSS Deep Dive | dev.to | 2024-08-09

    But in this example we will take a preset with Tachyons, a once popular library. But here the naming is even more deplorable:

  8. Spectre.css

    Spectre.css - A Lightweight, Responsive and Modern CSS Framework

  9. Stream

    Stream - Scalable APIs for Chat, Feeds, Moderation, & Video. Stream helps developers build engaging apps that scale to millions with performant and flexible Chat, Feeds, Moderation, and Video APIs and SDKs powered by a global edge network and enterprise-grade infrastructure.

    Stream logo
  10. 98.css

    A design system for building faithful recreations of old UIs

    Project mention: Gurus of 90s Web Design: Zeldman, Siegel, Nielsen | news.ycombinator.com | 2025-05-29

    > 8pt Tahoma is the GOAT and I miss it desperately.

    So good it is bug when it 8pt Tahoma looks off: https://github.com/jdan/98.css/issues/10

  11. photon

    The fastest way to build beautiful Electron apps using simple HTML and CSS

  12. jupyter-themes

    Custom Jupyter Notebook Themes

  13. GitHub-Dark

    :octocat: Dark GitHub style

  14. awesome-css-frameworks

    List of awesome CSS frameworks in 2025

    Project mention: Show HN: Cs16.css โ€“ CSS library based on CS 1.6 UI | news.ycombinator.com | 2025-01-24

    no suggestions in this reply, nor can I speak to if this is a good or bad idea, but you may like to learn about "classless css frameworks", basically just targeting the html5 semantics

    https://github.com/dbohdan/classless-css

    also, https://github.com/troxler/awesome-css-frameworks

    others may give you a _real_ recommendation. cheers

  15. hint.css

    A CSS only tooltip library for your lovely websites.

  16. magic-of-css

    A CSS course to turn you into a magician.

  17. pokemon-cards-css

    A collection of advanced CSS styles to create realistic-looking effects for the faces of Pokemon cards.

    Project mention: CSS Pokรฉmon Cards | news.ycombinator.com | 2024-11-04
  18. basscss

    Low-level CSS Toolkit โ€“ the original Functional/Utility/Atomic CSS library

  19. spicetify-themes

    A community-driven collection of themes for customizing Spotify through Spicetify - https://github.com/spicetify/cli

    Project mention: Spicetify-Themes: A Community-Driven Collection of Themes for Spotify | news.ycombinator.com | 2024-09-29
  20. You-need-to-know-css

    ๐Ÿ’„CSS tricks for web developers~

  21. sanitize.css

    A best-practices CSS foundation

    Project mention: Do you use text-size-adjust in your global styles? | dev.to | 2024-09-10

    sanitize.css.

  22. balloon.css

    Simple tooltips made of pure CSS

  23. css-animation-101

    Learn how to bring animation to your web projects

  24. cssnano

    A modular minifier, built on top of the PostCSS ecosystem.

    Project mention: How to Optimize Website Performance on a Budget | dev.to | 2025-03-05

    Use free tools like Terser for JavaScript and CSSNano for CSS:

  25. Assemble

    Get the rocks out of your socks! Assemble makes you fast at web development! Used by thousands of projects for rapid prototyping, themes, scaffolds, boilerplates, e-books, UI components, API documentation, blogs, building websites/static site generator, an alternative to Jekyll for gh-pages and more! Gulp- and grunt-friendly.

  26. SaaSHub

    SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

    SaaSHub logo
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).

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CSS CSS related posts

  • Gurus of 90s Web Design: Zeldman, Siegel, Nielsen

    2 projects | news.ycombinator.com | 29 May 2025
  • System.css: A design system for building retro Apple interfaces

    1 project | news.ycombinator.com | 28 May 2025
  • The Missing CSS Stylesheet

    1 project | news.ycombinator.com | 29 Apr 2025
  • Fylgja 2.0 is Live

    1 project | dev.to | 21 Apr 2025
  • A deliberate practice app for guitar players who want to level up

    3 projects | news.ycombinator.com | 31 Mar 2025
  • ๐Ÿš€ Enhancing Scroll Animations with Trig.js: New Features in v4.1.0 and v4.2.0

    1 project | dev.to | 31 Mar 2025
  • Sun Header With Rising Logo Bouncing Letters Using Trig.js โ˜€๏ธ

    1 project | dev.to | 26 Mar 2025
  • A note from our sponsor - InfluxDB
    www.influxdata.com | 8 Jul 2025
    InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now. Learn more โ†’

Index

What are some of the best open-source CSS projects in CSS? This list will help you:

# Project Stars
1 animate.css 81,860
2 normalize.css 53,186
3 Bulma 49,830
4 pico 15,059
5 ratchet 14,630
6 tachyons 11,667
7 Spectre.css 11,342
8 98.css 10,401
9 photon 10,035
10 jupyter-themes 9,825
11 GitHub-Dark 9,734
12 awesome-css-frameworks 8,710
13 hint.css 8,444
14 magic-of-css 6,674
15 pokemon-cards-css 6,286
16 basscss 5,874
17 spicetify-themes 5,510
18 You-need-to-know-css 5,419
19 sanitize.css 5,262
20 balloon.css 5,030
21 css-animation-101 5,026
22 cssnano 4,875
23 Assemble 4,255

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