CSS PostCSS

Open-source CSS projects categorized as PostCSS

Top 9 CSS PostCSS Projects

  1. 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:

  2. InfluxDB

    InfluxDB – 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. rfs

    ✩ Automates responsive resizing ✩

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

    twbs/rfs - ✩ Automates responsive resizing ✩

  4. postcss-plugins

    PostCSS Tools and Plugins

    Project mention: Rethinking CSS in JS | dev.to | 2024-09-12
  5. turretcss

    Turret is a styles and browser behaviour normalisation framework for rapid development of responsive and accessible websites.

  6. HiQ

    A lightweight, progressive, high-IQ CSS framework.

  7. assembly

    Making the hard parts of designing for the web easy. (by mapbox)

  8. fylgja

    The flexible and lightweight CSS library designed to streamline your web development.

    Project mention: Fylgja 2.0 is Live | dev.to | 2025-04-21

    If you're as excited about Fylgja 2 as we are, please take a moment to star our Github Repository. Your support helps us grow and reach more developers!

  9. SaaSHub

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

    SaaSHub logo
  10. tailpress

    A Tailwind CSS enabled Underscores theme (by pixeldevsio)

  11. sea.css

    sea.css is a simple and easy to use css framework.

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 PostCSS projects in CSS? This list will help you:

# Project Stars
1 cssnano 4,860
2 rfs 3,352
3 postcss-plugins 967
4 turretcss 799
5 HiQ 320
6 assembly 137
7 fylgja 99
8 tailpress 73
9 sea.css 4

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InfluxDB – 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.
www.influxdata.com