Why use UI library?

Considerations

Chakra MUI Mantine Ant Theme UI Rebass
Community/maintenance Great Great Poor Meh
Ease of customization Great Meh Great Poor Great
Component depth Good Great Great Great Poor Poor
Figma Free but feels basic Paid but feels robust Couldn’t find an official one Robust None None
Docs/examples Great Great Great Great Good Good
Learning curve Easy Medium Easy Easy Easy
Weight Light Heavy Heavy Light Light
TS support
a11y
DevExp/API Great Meh Meh Great Great
Figma community Meh Great
Funding/sustainability ? ?