Vaadin Docs

Develop Web Apps on Java Backends

Build scalable UIs in Java or TypeScript, using the integrated tooling, components, and design system.

Frameworks

Flow

The most productive web framework for Java developers.

Fusion

Use TypeScript, HTML, and Java to build progressive web applications.

Flow or Fusion?

If you are unsure which framework to choose, check out the comparison. View Comparison

Design System

Components

Browse the UI component library, with Java and TypeScript code examples and design guidelines.

Foundation

Reference documentation for the visual foundation, including colors, typography, spacing, elevation, and more. Foundation Overview

Customization

Learn how to customize the design system to fit your brand, and how to package it for reuse across multiple applications. Customization Overview

Collaboration Engine

Overview

The simplest way to build real-time collaboration into web apps.

Get Started

Follow the tutorial and get your first collaborative application up and running. Quick Start Guide

Licensing & Pricing

Start for free, and get a license when you need to scale up. Licensing & Pricing

Tools

Designer

Create UIs visually by dragging and dropping components on a canvas.

TestBench

Create end-to-end integration tests, including visual regression tests.