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Best React Component Libraries 2026: shadcn/ui vs Radix UI vs Headless UI vs Ark UI vs React Aria

Headless UI Components in 2026

The React component library landscape has been transformed by the "headless UI" pattern: unstyled, accessible components that handle behavior (state, keyboard navigation, ARIA attributes) while letting you control the styling. This is a reaction against monolithic UI libraries (Material UI, Ant Design) that lock you into their visual design. In 2026, the headless approach is the dominant paradigm.…