The Best CSS Frameworks

Based on github stars

Top 40 Most Popular CSS Frameworks
by number of GitHub stars

Filtering projects by: LESS X

Rank Change 2025 Jun Project Features Stars Activity Rating
4 - 4 Semantic UI General Purpose LESS 51,079 2.2 7.45%
10 - 10 UI kit General Purpose SCSS LESS 18,536 9.4 2.70%
24 - 24 Fomantic-UI General Purpose LESS 3,758 9.1 0.55%
34 - 34 Base General Purpose SCSS LESS 1,325 0.0 0.19%
37 ↑ 38 PatternFly General Purpose SCSS LESS 802 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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