Fluent UI Web
Collection of utilities andcomponents for building web applications
...Build your own apps using the same open source components we do, with accessibility, internationalization, and performance included. From tutorials to a fun collection of API references, find what you need to design and develop your own Fluent experience. From Word and Excel to PowerBI and Teams, many Microsoft apps utilize Fluent UI functionality. Fluent UI's robust, up-to-date web controls are built with the React framework. Look through the control list to see the building blocks that are available using Fluent UI React. Fluent UI React is the official open-source React front-end framework designed to build experiences that fit seamlessly into a broad range of Microsoft products.