CSS dark-mode

Open-source CSS projects categorized as dark-mode
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Top 20 CSS dark-mode Projects

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  1. pico

    Minimal CSS Framework for semantic HTML

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

    I ended up choosing PicoCSS. It's beautiful, semantic, accessible, and weighs only 11KB. Most HTML elements look great with zero CSS classes. For simple projects, it's perfect.

  2. SaaSHub

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

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  3. obsidian-minimal

    A distraction-free and highly customizable theme for Obsidian.

    Project mention: The Obsidian setup behind the system | dev.to | 2026-03-01

    I use the Minimal theme with its companion settings plugin. The name is accurate. It strips back the visual chrome, improves typography, and keeps the focus on the content. I've turned off most of the optional visual styles and left it close to its defaults.

  4. halfmoon

    Halfmoon is a highly customizable, drop-in Bootstrap replacement. It comes with three built-in core themes, with dark mode support for all themes and components.

  5. theme.park

    A collection of themes/skins for 50 selfhosted apps!

  6. flowbite-svelte

    Official Svelte components built for Flowbite and Tailwind CSS

  7. hugo-paper

    🪺 A simple, clean, customizable Hugo theme

  8. lynx

    A simple links theme for Hugo built with Tailwind CSS. (by jpanther)

  9. obsidian-sanctum

    A minimalist theme for Obsidian.md, with the aim of creating a serene space of retreat, for thought and uninterrupted work.

  10. jekyll-theme-serial-programmer

    A Jekyll theme for serial programmers (-.-)

  11. Obsidian-Theme-Mado-Miniflow

    A beautiful minimalism theme for Obsidian.

  12. Apple-Dictionary

    Custom Apple Dictionary support dark mode and offline pronunciation

  13. Firefox_Custom_CSS

    Firefox CSS theme to maximize the vertical space of your monitor.

  14. JavaFX-Dark-Theme

    A complete CSS stylesheet to set a dark theme in your JavaFX UI.

  15. Obsidian-Theme-Mado-11

    A simple theme that makes Obsidian feels a bit more like a modern app.

  16. obsidian_everforest

    Everforest theme ported to Obsidian.md

  17. hugo-theme-swiss-operator

    Swiss Operator is a minimalist Hugo theme inspired by Swiss editorial design, built for technical writing, engineering notes, and high-clarity personal blogs.

    Project mention: Show HN: Swiss Operator – Swiss-style Hugo theme for engineering and tech blogs | news.ycombinator.com | 2026-02-23

  18. pico

    Minimal CSS Framework for semantic HTML 🥷 Sass-free community fork (by anyblades)

    Project mention: Moving away from Tailwind, and learning to structure my CSS | news.ycombinator.com | 2026-05-16

  19. cypress-runner-themes

    Alternative themes for Cypress Test Runner

  20. 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.

  21. NomiAI-Dark-Theme

    Dark theme for Nomi.ai website

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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Index

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

# Project Stars
1 pico 16,639
2 obsidian-minimal 5,122
3 halfmoon 3,125
4 theme.park 3,054
5 flowbite-svelte 2,763
6 hugo-paper 2,395
7 lynx 464
8 obsidian-sanctum 372
9 jekyll-theme-serial-programmer 210
10 Obsidian-Theme-Mado-Miniflow 209
11 Apple-Dictionary 154
12 Firefox_Custom_CSS 87
13 JavaFX-Dark-Theme 79
14 Obsidian-Theme-Mado-11 79
15 obsidian_everforest 65
16 hugo-theme-swiss-operator 9
17 pico 5
18 cypress-runner-themes 3
19 DarkChromePastelFluoWebTheme-trick-for-aim-stylish-editor-maybe-or-any-other-editors 3
20 NomiAI-Dark-Theme 2

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