Tailwind CSS

Utility-first CSS that makes styling fast once you accept it's not actual CSS.

Best use cases
Rapid prototyping
Component styling
Responsive design
Design systems
Production sites
Pros
Very fast styling
Consistent design tokens
Good for components
Great documentation
Active community
Cons
HTML gets verbose
Learning curve
Build step required
Purging needed for production
Pricing
free
Free open-source + paid Tailwind UI components