saadeghi/daisyui

daisyUI is a component library built on top of Tailwind CSS that gives you a set of ready-made, named CSS components like buttons, cards, badges, dropdowns, and modals. Tailwind CSS itself is a utility framework where you style elements by combining many small, single-purpose class names like padding, margin, and color directly in your HTML. The challenge is that doing this for every element in a large application gets repetitive and makes the HTML hard to read. daisyUI solves this by providing higher-level semantic class names, so instead of writing a long string of Tailwind utility classes to make a button look right, you just write a class like btn or btn-primary and the styling is applied automatically. The way it works is as a Tailwind CSS plugin. You install it through npm, add it to your Tailwind configuration file, and from that point you can use daisyUI's component classes in any HTML or template file. It comes with built-in theming support, meaning you can switch between light, dark, and many other pre-built color themes by changing a single HTML attribute, and you can create custom themes if needed. The library is built using Svelte internally but works with any front-end framework, including React, Vue, plain HTML, and others, because it produces only CSS, not JavaScript components. You would use daisyUI when you are already using Tailwind CSS and want to speed up development by having named component styles available without writing a custom design system from scratch. It suits projects where consistent, attractive UI components are needed quickly, while still keeping the flexibility to adjust individual styles with Tailwind utility classes. The primary language of the library's source is Svelte.