Fluent UI for the web is available in two flavors: Fluent UI React and Fabric Core.

<!-- manually creating h3 to avoid duplicate auto-generated IDs -->
<h3 id="fluent-ui-react-overview">Fluent UI React</h3>

Fluent UI React is the official [open-source](https://github.com/microsoft/fluentui) React front-end framework designed to build experiences that fit seamlessly into a broad range of Microsoft products. It provides robust, up-to-date, accessible components which are highly customizable using CSS-in-JS. [Get started with Fluent UI React](#fluent-ui-react)

<h3 id="fabric-core-overview">Fabric Core</h3>

Fabric Core is an [open-source](https://github.com/OfficeDev/office-ui-fabric-core) collection of CSS classes and Sass mixins that give you access to colors, animations, fonts, icons and grid. [Get started with Fabric Core](#fabric-core)

<h3 id="for-designers">For Designers</h3>

Fluent UI also provides resources to help you [use our design language in your site](#use-our-design-language-in-your-site).