React

• https://ui.shadcn.com/
• https://www.shadcnblocks.com/
• https://magicui.design/
• https://mui.com/material-ui/
• https://ant.design/
• https://v2.grommet.io/
• https://reactbits.dev/

HTML

• https://basecoatui.com/
• https://shoelace.style/
• https://picocss.com/