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    • Enforce usage of logical properties and values in CSS
      JavaScript
      Creative Commons Zero v1.0 Universal
      107164Updated Feb 28, 2026Feb 28, 2026
    • tokenizer

      Public
      Tokenize CSS according to the CSS Syntax
      TypeScript
      Creative Commons Zero v1.0 Universal
      67300Updated Feb 28, 2026Feb 28, 2026
    • Convert Colors converts colors between RGB, HEX, HSL, HWB, LAB, LCH, and more
      JavaScript
      Creative Commons Zero v1.0 Universal
      8000Updated Feb 28, 2026Feb 28, 2026
    • Magically generate all the @font-face rules
      JavaScript
      Other
      3299910Updated Feb 28, 2026Feb 28, 2026
    • cssdb

      Public
      A database of staged CSS features
      JavaScript
      MIT No Attribution
      3154400Updated Feb 28, 2026Feb 28, 2026
    • Use the extend at-rule and functional selectors in CSS
      JavaScript
      Creative Commons Zero v1.0 Universal
      75442Updated Feb 28, 2026Feb 28, 2026
    • Enforce nesting when it is possible in CSS
      JavaScript
      Creative Commons Zero v1.0 Universal
      104811Updated Feb 28, 2026Feb 28, 2026
    • A stylelint rule to catch usage of unknown custom properties
      JavaScript
      Creative Commons Zero v1.0 Universal
      327511Updated Feb 28, 2026Feb 28, 2026
    • Use Sass as a PostCSS plugin
      JavaScript
      Creative Commons Zero v1.0 Universal
      3014912Updated Feb 28, 2026Feb 28, 2026
    • JavaScript
      MIT License
      0700Updated Feb 28, 2026Feb 28, 2026
    • Modify colors using the color-mod() function in CSS
      JavaScript
      Creative Commons Zero v1.0 Universal
      149521Updated Feb 26, 2026Feb 26, 2026
    • PostCSS Tools and Plugins
      CSS
      MIT No Attribution
      861k90Updated Feb 26, 2026Feb 26, 2026
    • Use Sass-like variables, conditionals, and iterators in CSS
      JavaScript
      Creative Commons Zero v1.0 Universal
      33143183Updated Feb 26, 2026Feb 26, 2026
    • Test stylelint plugins
      JavaScript
      Creative Commons Zero v1.0 Universal
      2400Updated Dec 20, 2025Dec 20, 2025
    • Enforce usage of custom media queries in CSS
      JavaScript
      Creative Commons Zero v1.0 Universal
      41600Updated Dec 20, 2025Dec 20, 2025
    • .github

      Public
      1300Updated Mar 13, 2025Mar 13, 2025
    • Resolve a nested selector in a PostCSS AST
      JavaScript
      MIT License
      51300Updated Dec 28, 2024Dec 28, 2024
    • Use the parts of normalize.css (or sanitize.css) you need from your browserslist
      CSS
      Creative Commons Zero v1.0 Universal
      4083930Updated Dec 28, 2024Dec 28, 2024
    • Use Custom Units in CSS
      JavaScript
      22000Updated Dec 27, 2024Dec 27, 2024
    • Use unprefixed input range selectors in CSS
      JavaScript
      Creative Commons Zero v1.0 Universal
      54310Updated Oct 23, 2024Oct 23, 2024
    • A best-practices CSS foundation
      CSS
      Creative Commons Zero v1.0 Universal
      3065.3k187Updated Sep 11, 2024Sep 11, 2024
    • A cross-browser CSS foundation
      HTML
      Creative Commons Zero v1.0 Universal
      6664842Updated Aug 10, 2024Aug 10, 2024
    • Keep only the CSS you need based on comments and your browserslist
      CSS
      Creative Commons Zero v1.0 Universal
      4900Updated May 12, 2024May 12, 2024
    • postcss-tape

      Public archive
      Quickly test PostCSS plugins
      JavaScript
      Creative Commons Zero v1.0 Universal
      51510Updated Dec 27, 2023Dec 27, 2023
    • postcss-inset

      Public archive
      Use the inset property in CSS
      JavaScript
      Creative Commons Zero v1.0 Universal
      41300Updated Dec 26, 2023Dec 26, 2023
    • postcss-preset-env

      Public archive
      Convert modern CSS into something browsers understand
      CSS
      Creative Commons Zero v1.0 Universal
      912.2k00Updated Oct 24, 2023Oct 24, 2023
    • Configure PostCSS in Create React App without ejecting
      JavaScript
      Creative Commons Zero v1.0 Universal
      1811350Updated Jan 16, 2023Jan 16, 2023
    • Enforce CSS property ordering like Chrome DevTools
      JavaScript
      Creative Commons Zero v1.0 Universal
      1500Updated Nov 22, 2022Nov 22, 2022
    • Support for modern and experimental CSS within Visual Studio Code
      1182120Updated Jul 29, 2022Jul 29, 2022
    • postcss-trig

      Public archive
      Use trigonometry functions in CSS
      JavaScript
      Creative Commons Zero v1.0 Universal
      21200Updated Jun 14, 2022Jun 14, 2022