Flowbite: Tailwind CSS components with a data-attribute JavaScript layer

What Flowbite solves for Tailwind CSS projects

Tailwind CSS gives you utility classes, not components. Every modal, dropdown, tooltip and navbar has to be assembled from scratch, and the interactive parts need JavaScript that is usually rewritten per project. Flowbite fills that gap: it is a set of web components built with Tailwind utility classes, plus a JavaScript file that wires up the behaviour. The README frames the goal plainly: "Build websites even faster with components on top of Tailwind CSS."

The target user is not a React or Vue application team. The repository's primary language is HTML, and the component examples in the README are plain markup with utility classes. That points at server-rendered stacks: Hugo sites (the repo has layouts/ and content/ directories and a start:hugo script), Laravel and Django templates, or static pages with a small script tag. If your team already renders HTML on the server and wants a dropdown that opens without writing an event listener, this is the intended use case.

How the data-attribute interface drives components

The mechanism is deliberately thin. The README calls the data attributes interface "the preferred way to use the interactive UI components." You mark up a trigger and a target, and the bundled JavaScript attaches listeners at load time. A modal trigger carries data-modal-target and data-modal-toggle pointing at the modal's id; the modal element itself carries a matching id and a hidden class. The hide button inside the modal carries data-modal-hide.

That means the HTML is the source of truth. There is no component instance, no state object you query, no render function. The README also documents init functions as a separate interface, so the data-attribute path is one of at least two ways in. The bundled file is described as UMD ready and works with bundlers such as Webpack or Parcel, which the README says makes "all of the data attributes and functionality work out-of-the-box." The trade-off is that behaviour is coupled to attributes in the markup: renaming an id breaks the trigger silently, with no type error and no console warning from a component layer.

Installing Flowbite with npm and Tailwind v4

The README states the npm guide works with Tailwind v4 and that Node.js and Tailwind CSS must already be installed. Install the package first:

npm install flowbite

Next, import a theme into your main input.css. The README lists default, minimal, enterprise, playful and mono, and each theme pairs with a font import. The default theme uses Inter:

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');
@import "flowbite/src/themes/default";

@plugin "flowbite/plugin";
@source "../node_modules/flowbite";

The @plugin line registers the Flowbite plugin and @source tells Tailwind where to scan for classes, which matters because the README warns that the best way to work with Tailwind and Flowbite is by purging unused CSS classes. Finally, load the JavaScript before the closing body tag:

<script src="../path/to/flowbite/dist/flowbite.min.js"></script>

If you would rather skip the build step, the CDN path is two tags: a stylesheet link to flowbite.min.css and a script tag to flowbite.min.js, both from the jsDelivr package URL shown in the README. The README notes that purging is still the better long-term approach. A first real use is the modal example: a button with data-modal-target="defaultModal" and data-modal-toggle="defaultModal", and a div with id="defaultModal" and the hidden class. Clicking the button should remove the hidden class and reveal the panel; if nothing happens, the script tag or the bundler import is the first thing to check.

Where Flowbite stops being the right tool

The npm package is not a React component library. Its package.json entry points are lib/cjs/index.js, lib/esm/index.js and a UMD bundle, and the README's framework sections point elsewhere for bindings. If you want JSX components with props and hooks, this repository will not give them to you, and the search data reflects that confusion: people look for "flowbite react" and "flowbite svelte" as if they were part of the same package.

A second constraint is version coupling. The README's npm guide is explicitly for Tailwind v4, and it links a separate guide for projects still on Tailwind v3. The repository still carries plugin-windicss.js and a tailwind.config.js at the top level, which suggests a long compatibility tail, but the documented happy path is v4. Mixing the v4 plugin syntax into a v3 PostCSS setup is a predictable source of build failures.

The third limitation is the data-attribute model itself. It is excellent for static markup and poor for dynamic lists. If you render modals from a loop, generate ids at runtime, or hydrate markup on the client, you are responsible for keeping ids and attributes in sync, and the library offers no help there. That is a design choice, not a defect, but it decides the kind of project Flowbite fits.

Flowbite compared with daisyUI

The most common comparison in the search data is daisyUI, and the difference is architectural. daisyUI is a Tailwind plugin that adds semantic class names such as btn or card, so a button is styled by writing class="btn" and the styling logic lives in the plugin's CSS. Flowbite keeps Tailwind utility classes in the markup and adds a JavaScript layer for behaviour. A Flowbite button in the README example carries a long utility string: bg-blue-700, hover:bg-blue-800, focus:ring-4 and so on.

That leads to different consequences. daisyUI markup is shorter and easier to retheme globally, but it does not give you a modal that opens on click. Flowbite markup is verbose and closer to raw Tailwind, which makes per-instance overrides straightforward, and it does ship the interaction layer. If your problem is only visual consistency, daisyUI's approach is leaner. If your problem is that you keep writing the same dropdown JavaScript, Flowbite's data attributes are the part that saves time. Neither choice is about quality; they solve adjacent problems.

Maintenance, releases and licence terms

The repository is not archived, and its last push was on 2026-06-27. Recent releases are v4.0.0 on 2025-11-12, v4.0.1 on 2025-11-17 and v4.0.2 on 2026-05-13, so the v4 line has had patch releases rather than a rapid cadence. The package.json version is 4.0.2, matching the latest release tag. The upgrade cost between v3 and v4 is not free: the README points to a dedicated Tailwind CSS v3 to v4 guide, and the plugin registration moved to the @plugin syntax, so any project pinning an older Tailwind needs that migration before it can follow the current install steps.

The licence is MIT, stated in package.json, in the LICENSE.md file at the repository root, and in the README badge. MIT covers the open-source components. It does not automatically cover everything on the site: the README has separate sections for a Pro version and for Flowbite Blocks, and the licence question of what those include is answered on the Flowbite licensing page rather than in this repository. Read that page before shipping commercial work. Nothing here is legal advice.

Editorial conclusion

Adopt Flowbite if you build server-rendered HTML, Hugo, Laravel or plain JavaScript pages on Tailwind CSS v4 and want interactive components without a framework runtime. Do not adopt it if you expect ready-made React, Vue, Angular or Svelte components: the npm package ships HTML markup plus a UMD bundle, and the framework bindings live in separate projects. Before committing, verify that your Tailwind version matches the v4 setup path, that your bundler picks up the data-attribute listeners, and that the MIT licence in LICENSE.md covers the components you plan to ship, since the Pro version and Flowbite Blocks are commercial products documented separately on flowbite.com.

Frequently asked questions

Official sources

1. License: MIT
2. Project website
3. README
4. Releases
5. themesberg/flowbite on GitHub