Docs Sections Vaadin 14 Docs14.12.3 Develop Web Apps on Java Backends Build scalable UIs in Java, using the integrated tooling, components, and design system. Get Started Tutorial Sections Flow The most productive web framework for Java developers. Flow Overview Components Browse the UI component library, with Java code examples and design guidelines. Browse Components Collaboration Engine The simplest way to build real-time collaboration into web apps. Collaboration Engine Overview Designer Create UIs visually by dragging and dropping components on a canvas. Designer Overview TestBench Create end-to-end integration tests, including visual regression tests. TestBench Overview Flow