Leaderboards Open Source Index
GitHub

LFX Platform

Know more about LFX Platform

LFX Insights
Curated Collections

CSS Pre/Post Processing

Tools that convert or transform CSS from advanced syntaxes (Sass, Less, etc.), apply autoprefixing or lint checks, and optimize stylesheets.

The Linux Foundation

by The Linux Foundation

・

25 projects ・ Updated 14 Mar 2025

Project
Contributors
Organizations
Software value
Less.js
3,989
1,373
$1.5M
UIkit
3,263
575
$3.1M
UnoCSS
2,606
584
$3.5M
Stylus
2,358
899
$1.2M
Autoprefixer
1,539
500
$520K
PostCSS
1,530
529
$484K
Dart Sass
1,370
434
$3.3M
cssnano
1,133
430
$4.9M
Sprockets
1,035
413
$505K
Lightning CSS
878
355
$3.8M
PurgeCSS
850
238
$412K
rollup-plugin-postcss
619
222
$50K
Svelte Preprocess
614
210
$152K
CSSO
513
195
$385K
PostCSS Plugins
463
158
$14M
Liferay Frontend Projects
400
44
$12M
Extract CSS Chunks Webpack Plugin
295
106
$163K
bud.js
185
45
$2.7M
gulp-postcss
171
78
$25K
Autoprefixer for Ruby on Rails
0
0
$0
Encore
0
0
$0
Gulp Sass
0
0
$0
Less Loader
0
0
$0
MiniCssExtractPlugin
0
0
$0
postcss-loader
0
0
$0
Looking for a project that’s not listed?