Vaadin is a web app development platform for Java. It helps you build reliable web apps with great UX faster than before.

Get Started · Docs · Community · Roadmap

Vaadin consists of free, open-source UI components, frameworks, tools, and integrations for creating high-quality, accessible web user interfaces.

Vaadin Platform This repository gathers everything in a single package, ensuring all the parts work together. A new version is released every quarter. Learn more about our release model.

Vaadin Flow Java API for Vaadin web components. Build modern web apps 100% in Java.

Vaadin Web Components TypeScript/JavaScript/HTML API for Vaadin components.

Tools

Commercial tools to speed up application development. Pricing

Collaboration Engine The simplest way to build real-time collaboration into web apps.
Designer Design Vaadin UIs visually with drag'n'drop.	TestBench Visual regression tests for Flow-based UIs.

Integrations

Plugins and add-ons for easy integration with 3rd party development tools.

• Spring add-on
• CDI add-on
• Maven plugin
• Gradle plugin
• OSGi plugin
• Quarkus plugin

Additional repositories

• Router

Community

Blog · X · Facebook · LinkedIn · YouTube · Instagram

Vaadin Forum Get help and discuss with community members	Stack Overflow Ask questions and get answers
Cookbook A collection of solutions to common use cases.	Add-on Directory Browse 3rd party components and add-ons and publish your own

Contributing

Great that you are considering contributing! There are plenty of ways to help out Vaadin as an open source project.

Report issues

Report issues and propose new features in the product repositories. If you are unsure which repository an issue belongs to, use the platform repository. We’ll move it to the correct one for you.

Contribute code

Please see our Contributing to Projects guide. Look for issues labelled with help wanted or good first issue in any of the repositories to get started. For example in web-components: help wanted, good first issue.

License

Apache License 2.0 or CVDL 4.0, depending on the product. Licensing FAQ