Vaadin

Build Web Apps 100% in Java

Build Web Apps 100% in Java. An open-source Java web framework for constructing modern web applications with a unified Java stack from backend to UI.

3K

GitHub Stars

none

TypeScript

medium

Learning Curve

4.1

DX Score

Visit Website → Documentation GitHub

Pricing

Model

freemium

Free Tier

Apache 2.0 core, open source

Paid

Commercial add-ons available

Features

✓ Java-only development
✓ Built-in security
✓ Data-heavy app support
✓ Real-time push updates
✓ Web Components based
✓ WCAG 2.1 AA accessible
✓ 15 years LTS
✓ Vaadin Copilot AI
✓ Spring Boot integration

Pros

+ No JavaScript needed
+ Strong security
+ Enterprise support
+ Long-term support
+ Accessibility built-in

Cons

- Java-centric only
- Commercial features costly
- Heavy for simple apps
- Learning curve

Best For

enterprise

Alternatives

Spring Boot

JHipster

full-stack java-only enterprise web-components accessible