Top 5 classless-theme Open-Source Projects

sakura

15 4,019 6.1 HTML

:cherry_blossom: a minimal css framework/theme.

Project mention: The classless and class-light CSS aproaches | dev.to | 2024-01-24

latex-css

3 2,690 5.7 HTML

LaTeX.css is a CSS library that makes your website look like a LaTeX document
InfluxDB

www.influxdata.com sponsored

Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
classless-css

23 1,775 7.5 HTML

A list of classless CSS themes/frameworks with screenshots

Project mention: Pico CSS v2 comes with 380 manually crafted colors | news.ycombinator.com | 2024-02-24

I dug through a ton of these for several days before finally deciding to just make my own...
All the lesser known ones tend to not be very extensible or themable beyond basic color changes, and they're a little too extreme about pure semantic HTML.
This guy has a really good roundup with last commit and GitHub stars info:
https://github.com/dbohdan/classless-css
Currently working on getting some issues with their test case ironed out to get mine (https://eternityforest.github.io/barrel.css/) included.

dropin-minimal-css

9 1,608 5.9 CSS

Drop-in switcher for previewing minimal CSS frameworks

Project mention: I hate CSS: how can I build UIs? | news.ycombinator.com | 2023-11-05

Agreed, find a class-less framework to start, so that you focus on just the HTML, semantic structure first. Here's a couple of lists of such frameworks:
https://github.com/troxler/awesome-css-frameworks#class-less
https://github.com/dohliam/dropin-minimal-css
Personally, I like simple.css (https://github.com/kevquirk/simple.css)

subreply-css

8 24 0.0 HTML

A simple, yet modern and beautiful classless CSS style. Influenced by Subreply (https://subreply.com/about)
WorkOS

workos.com sponsored

The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.

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).