List of free ui-component stuff for developerππ½
If you're looking for all programming tools around ui-component (not just free). Check this page List of ui-component Programming Tools
flowbite
Build websites even faster with components on top of Tailwind CSS
Tag: website-builder, tailwind, ui-component

Headless UI
Completely unstyled, fully accessible UI components, designed to integrate beautifully with Tailwind CSS
Tag: CSS, Tailwind, ui-component, CSS-for-react
A set of completely unstyled, fully accessible UI components, designed to integrate beautifully with Tailwind CSS.
Uiverse
Create, share, and use beautiful Open-Source UI elements made with HTML and CSS.
Tag: ui-component
Open Source Buttons Open Source Checkboxes Open Source Toggle Switchers Open Source Loaders Open Source Cards Open Source Inputs

Chakra UI
Simple, Modular and Accessible UI Components for your React Applications. Built with Styled System
Tag: CSS-for-react, ui-component
Mitosis
Write components once, run everywhere. Compiles to Vue, React, Solid, Angular, Svelte, and more.
Tag: ui-component, template
Storybook
Storybook is a frontend workshop for building UI components and pages in isolation. Thousands of teams use it for UI development, testing, and documentation. It iss open source and free.
Tag: styleguide, documentation, design-systems, ui-component