CSS Design

Open-source CSS projects categorized as Design

Top 23 CSS Design Projects

  1. 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/

  2. InfluxDB

    InfluxDB high-performance time series database. Collect, organize, and act on massive volumes of high-resolution data to power real-time intelligent systems.

    InfluxDB logo
  3. 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:

  4. plex

    The package of IBM’s typeface, IBM Plex.

    Project mention: The Monospace Web | news.ycombinator.com | 2024-08-27

    IBM Plex Mono is pretty good, with a reasonable license. It's on Google Fonts, and the repo is here: https://github.com/IBM/plex

  5. magic-of-css

    A CSS course to turn you into a magician.

    Project mention: List of awesome CSS frameworks, libraries and software | dev.to | 2024-05-28

    adamschwartz/magic-of-css - A CSS course to turn you into a magician.

  6. ui-buttons

    100 Modern CSS Buttons. Every style that you can imagine.

    Project mention: List of awesome CSS frameworks, libraries and software | dev.to | 2024-05-28

    eludadev/ui-buttons - 100 Modern CSS Buttons. Every style that you can imagine.

  7. argon-design-system

    Argon - Design System for Bootstrap 4 by Creative Tim

  8. webgradients

    A curated collection of splendid gradients made in CSS3, .sketch and .PSD formats.

    Project mention: Top 15 Tools for Frontend Developers: Optimize Your Workflow | dev.to | 2024-07-01

    A free collection of 180 linear gradients with CSS3 code is available at WebGradients. These gradients can add depth and visual interest to your web designs. The website provides ready-to-use gradient codes, making it easy to incorporate beautiful color transitions into your projects.

  9. CodeRabbit

    CodeRabbit: AI Code Reviews for Developers. Revolutionize your code reviews with AI. CodeRabbit offers PR summaries, code walkthroughs, 1-click suggestions, and AST-based analysis. Boost productivity and code quality across all major languages with each PR.

    CodeRabbit logo
  10. hugo-paper

    🪺 A simple, clean, customizable Hugo theme

  11. stylestage

    A modern CSS showcase styled by community contributions. Add your stylesheet!

    Project mention: 🚀 Boost Your Front-End Skills with These Practice Platforms | dev.to | 2024-07-01

    Style Stage

  12. matcha

    🍵 Drop-in semantic styling library in pure CSS. Highly customizable and perfect for simple websites and prototyping web apps!

    Project mention: Show HN: Mizu.js – Bringing back simplicity in web apps creation | news.ycombinator.com | 2024-12-19

    The learning curve is that small.

    Also, you may have heard of https://matcha.mizu.sh, a CSS stylesheet to instantly make your web page stylized.

  13. modern-fluid-typography-editor

    Modern fluid typography editor

  14. Trig.js

    Trig.js powers dynamic, CSS-driven animate-on-scroll effects using CSS variables and element position data, making AOS effortless. Create custom animations in CSS or use trig-animations.css for ready-made effects—full control or quick setup. Perfect for storytelling websites.

    Project mention: 🚀 Enhancing Scroll Animations with Trig.js: New Features in v4.1.0 and v4.2.0 | dev.to | 2025-03-31

    Trig.js is open-source and welcomes contributions from the community. Explore the GitHub repository to access documentation, report issues, and contribute to the project's growth.

  15. tachyons-verbose

    Functional CSS for humans. Verbose edition.

  16. css-flags

    A collection of pure CSS flags, all single divs. (by dhanishgajjar)

  17. ant-design-svelte

    An enterprise-class UI design language and Svelte-based implementation 🐜

  18. bulma-stylus

    A Stylus translation of a modern CSS framework based on Flexbox

  19. logo_maker

    Open Source Logo Maker From Decabits Lab

  20. components

    UI component library. (by upstage)

  21. Portfolio

    this is a Portfolio website (by Armanebtekari)

  22. Cola

    My WEB UI Framework (by A-Horse)

  23. orincywhyte_frontendengineer

    A portfolio project by CodeCademy to showcase my Html, Css and JavaScript. Design and Code by me

  24. axl-flat-ui

    My own minimalistic flat UI framework. Based from Bootstrap 3 with Raleway google font.

  25. 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 Design related posts

  • How to style HTML with matcha.css

    1 project | dev.to | 17 Oct 2024
  • Bulma CSS: A Modern CSS Framework for Responsive Design

    1 project | dev.to | 24 Jul 2024
  • List of awesome CSS frameworks, libraries and software

    56 projects | dev.to | 28 May 2024
  • Bulma CSS is now 1.0.0

    1 project | news.ycombinator.com | 23 Mar 2024
  • Part 3: Templating HTML with Python, Jinja2 and serverless WebAssembly

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  • Lalipo - spotify playlist generator

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  • Am I supposed to ignore these vulnerabilities?

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  • A note from our sponsor - CodeRabbit
    coderabbit.ai | 29 Apr 2025
    Revolutionize your code reviews with AI. CodeRabbit offers PR summaries, code walkthroughs, 1-click suggestions, and AST-based analysis. Boost productivity and code quality across all major languages with each PR. Learn more →

Index

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

# Project Stars
1 Bulma 49,713
2 tachyons 11,651
3 plex 10,605
4 magic-of-css 6,656
5 ui-buttons 3,536
6 argon-design-system 2,473
7 webgradients 2,438
8 hugo-paper 2,241
9 stylestage 2,188
10 matcha 1,847
11 modern-fluid-typography-editor 344
12 Trig.js 137
13 tachyons-verbose 109
14 css-flags 98
15 ant-design-svelte 98
16 bulma-stylus 30
17 logo_maker 28
18 components 23
19 Portfolio 8
20 Cola 6
21 Darkrange-BetterDiscord-Theme 1
22 orincywhyte_frontendengineer 1
23 axl-flat-ui 1

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Did you know that CSS is
the 16th most popular programming language
based on number of references?