The Largest Library of Open-Source UI. Community-built library of UI elements. Copy as HTML/CSS, Tailwind, React and Figma.

The instant on-demand Atomic CSS engine. UnoCSS is an engine instead of a framework because there are no core utilities - all the functionalities are provided via presets or inline configurations. We are imagining UnoCSS being able to simulate the functionalities of most of the existing atomic CSS frameworks. And possibly have been used as the engine to create some new atomic CSS frameworks!

Duet Date Picker is an open source version of Duet Design System’s WCAG 2.1 compliant date picker. It can be implemented and used across any JavaScript framework or no framework at all.