https://ui.shadcn.com/
The Foundation for your Design System - shadcn/ui
A set of beautifully designed components that you can customize, extend, and build on. Start here then make it your own. Open Source. Open Code.
the foundationfor yourdesign systemshadcnui
https://designsystem.digital.gov/
USWDS: The United States Web Design System | U.S. Web Design System (USWDS)
USWDS makes it easier to build accessible, mobile-friendly government websites.
the united statesweb designuswdssystem
https://design-system.nationalarchives.gov.uk/
The National Archives Design System
Design your service using National Archives styles and components.
the national archivesdesignsystem