CSS Web

Open-source CSS projects categorized as Web
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Top 19 CSS Web Projects

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  1. liftkit

    Components from design to production

    Project mention: LiftKit – UI where everything derives from the golden ratio | news.ycombinator.com | 2026-02-09

    The CSS is in the github repo here: https://github.com/Chainlift/liftkit

    LiftKit's free forever to anyone. It's just early stages and bad.

    The idea was that if a company wanted to hire us for direct support, we'd do that. But the problems are: [A] no enterprise in their right minds would use this thing in its current state and [B] "us" is me and I don't have time to do that anymore

  2. SaaSHub

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  3. Ward

    Server dashboard that enables you to monitor and track the status of your server.

  4. matcha

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

  5. bitplay

    Stream video torrents in your web browser with ease.

  6. SAPC-APCA

    APCA (Accessible Perceptual Contrast Algorithm) is a new method for predicting contrast for use in emerging web standards (WCAG 3) for determining readability contrast. APCA is derived form the SAPC (S-LUV Advanced Predictive Color) which is an accessibility-oriented color appearance model designed for self-illuminated displays.

    Project mention: My Color Combo Passes WCAG – So Why Does It Still Hurt to Look At? | news.ycombinator.com | 2025-07-23

    > Tools like APCA improve contrast modeling, but they still don’t account for halation, ambient light mismatch, or eye strain.

    Doesn't APCA advocate a maximum contrast? Best link I could find right now is https://github.com/Myndex/SAPC-APCA/discussions/106 but it lacks explanation. You've thoughts on if this works well or not?

  7. boltdbweb

    A web based GUI for BoltDB files

  8. pm2-web-ui

    (Not so) modern web interface for PM2

  9. IFstruct-parser

    Convert your iofod project to Web, Electron, Flutter, Taro project code to support cross all platforms.

  10. muCSS

    Full-ffeatured CSS framework

    Project mention: µCSS: I built a full-featured CSS framework on top of PicoCSS | dev.to | 2026-03-11

    The site mucss.org uses µCSS itself (along with µJS, a lightweight alternative to HTMX that I also built).

  11. wwwtf.berlin

    wwwtf, a ~week of events organized for and by the web community

  12. presqu11

    Windows 11 native-like apps using Javascript and HTML.

  13. AuroraFox

    A clean rounded Firefox theme, made using CSS, to match with the trendy 'Aurora' Colour Palette.

  14. noto-color-emoji

    Self-hosted Noto Color Emoji font for Chrome and Edge

  15. DarkChromePastelFluoWebTheme-trick-for-aim-stylish-editor-maybe-or-any-other-editors

    This a theme to dark web pages in the same way, you can recognize every most important things the same with the same effects.Maybe you can choose to change one color in a darker gray, because it can depend your screen or your appreciation, maybe on newer you need to put it darker.

  16. Oh-my-BLOG

    ✒ A simple Blog Template!

  17. luminosity-css

    💡 Duo of customizable CSS classes to define a light source location and cast dynamic shadows off elements based on their relative position. Themable and customizable with CSS variables

  18. Notes-Javascript

    An open-source notes-taking web app (PWA) built with vanilla javascript.

  19. yoga-landing-page

    Yoga Landing page , made with simple HTML and CSS.

  20. leader

    intuitive and light blog base for the modern web.

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 Web discussion

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CSS Web related posts

  • Show HN: µCSS, a CSS framework with 17 components, 20 themes, no build required

    2 projects | news.ycombinator.com | 8 Mar 2026

  • LiftKit: React/Next.js UI Components with Golden Ratio Spacing

    1 project | dev.to | 6 Aug 2025

  • I made two simple CSS classes to add dynamic lights and shadows to your web page!

    1 project | /r/Frontend | 21 Jun 2023

  • Varnish Cache

    1 project | /r/ITProTuesday | 26 May 2023

  • Beyond Changing Technology: Scaling Your Applications Efficiently

    1 project | dev.to | 7 Apr 2023

  • jwz: Mastodon stampede

    2 projects | /r/Mastodon | 28 Nov 2022

  • Kweb 0.12.6 released: Migrate to Gradle 7, dependencies up to date, full example of live autoscaling kwebsite on Google Cloud

    2 projects | /r/Kotlin | 8 Oct 2022
  • A note from our sponsor - SaaSHub
    www.saashub.com | 6 Jun 2026
    SaaSHub helps you find the best software and product alternatives Learn more →

Index

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

# Project Stars
1 liftkit 3,264
2 Ward 2,323
3 matcha 1,930
4 bitplay 1,674
5 SAPC-APCA 554
6 boltdbweb 345
7 pm2-web-ui 148
8 IFstruct-parser 92
9 muCSS 74
10 wwwtf.berlin 45
11 presqu11 31
12 AuroraFox 25
13 noto-color-emoji 12
14 DarkChromePastelFluoWebTheme-trick-for-aim-stylish-editor-maybe-or-any-other-editors 3
15 Oh-my-BLOG 2
16 luminosity-css 2
17 Notes-Javascript 1
18 yoga-landing-page 1
19 leader 0

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