The Best CSS Frameworks

Based on github stars

Top 40 Most Popular CSS Frameworks
by number of GitHub stars

Filtering projects by: SCSS X

Rank Change 2025 Jun Project Features Stars Activity Rating
1 - 1 Bootstrap General Purpose SCSS 174,293 9.2 25.42%
6 - 6 Materialize Material Design SCSS 38,868 0.0 5.67%
7 - 7 Foundation General Purpose SCSS 29,761 7.6 4.34%
9 - 9 NES.css Speciallized SCSS 21,692 0.0 3.16%
10 - 10 UI kit General Purpose SCSS LESS 18,534 9.4 2.70%
11 - 11 Primer General Purpose SCSS 12,959 8.3 1.89%
13 - 13 Spectre.css General Purpose SCSS 11,335 0.0 1.65%
15 - 15 Milligram Lightweight SCSS 10,224 0.0 1.49%
20 - 20 Gutenberg Speciallized SCSS 4,910 0.0 0.72%
21 - 21 MUI Material Design SCSS 4,485 0.0 0.65%
22 - 22 sakura Class-less SCSS 4,374 3.6 0.64%
23 - 23 Picnic CSS Lightweight SCSS 3,889 7.7 0.57%
28 - 28 inuitcss Base Reset Normalize SCSS 1,846 0.0 0.27%
29 - 29 Tacit Class-less SCSS 1,804 8.8 0.26%
30 - 30 Marx Class-less SCSS Stylus 1,706 6.5 0.25%
31 - 31 Blaze UI General Purpose SCSS 1,560 3.5 0.23%
34 - 34 Base General Purpose SCSS LESS 1,323 0.0 0.19%
35 - 35 Propeller Material Design SCSS 1,118 0.0 0.16%
36 - 36 Bojler Speciallized SCSS 1,051 0.0 0.15%
37 ↑ 38 PatternFly General Purpose SCSS LESS 800 9.5 0.12%
  • Rating - the percentage of stars of a particular project from the total number.
  • Activity - a relative number between 0 and 10 representing the commits activity of a project.
    9+ meaning that the project is amongst the top 10% of most actively developed projects.
    5+ meaning that the project is amongst the top 50% of most active projects.

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