List of popular component libraries.

[TheHadiAhmadi]

1. Semantic UI [50.6k github stars] (some components supports more than one style)
2. Bulma [47.2k github stars] (only light)
3. Materialize CSS [38.8k github stars] (only light)
4. MDB [23.5k stars] & Tailwind Elements [11.3k stars] (both are developed by one team) (dark / light)
5. Foundation [29.5k stars] (only light)
6. UiKit [17.9k stars] (only light)
7. Bootswatch [14.2k stars] (many themes)
8. Flowbite [5k stars] (dark and light)