Base UI

FreeComponent Libraries Design Systems & UI Kits

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Open source

MIT View source →

Unstyled, accessible React components from the MUI team.

PriceFree

Best forFreelancer, Product Designer

Why we recommend it

It is MUI's answer to Radix — the same accessibility rigour without Material Design's visual opinions.

Strengths

Accessible, unstyled primitives
Backed by the MUI team
Free and open source

Drawbacks

Younger than Radix
React only

Base UI alternatives and related tools

Open source

Park UI

Component library built on Ark UI, working across React, Vue and Solid.

Free →

Design Lint

Figma plugin that flags inconsistent styles and detached components.

Free →

Open source

Flowbite

Tailwind component library with matching Figma files.

Freemium →

Open source

Open Props

A set of CSS custom properties — design tokens you can drop into any project.

Free →

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the design tools

A hand-curated directory of design tools for product designers, graphic designers, industrial designers, architects, and creative directors. Every listing states its real drawbacks, not just its strengths.

All product names, logos and brands are the property of their respective owners, and are used for identification purposes only. Their use does not imply affiliation with or endorsement by them.