In addition to the components, themes, layouts, and DATA sources inbuilt into the core Vaadin library, many others are available as add-ons. Vaadin Directory offers a wide COLLECTION of add-ons for Vaadin, and the user may also find others from INDEPENDENT sources. Add-ons are also a way to share a user’s own components between projects. There are currently over a hundred and eighty add-ons available.

They are divided to the following categories:

• UI components – These add new functionality to your user interfaces
• Data components – They interface various data sources to Vaadin components
• Themes –These add a FRESH look to your application
• Miscellaneous –This comprises of EVERYTHING else.

Most of the add-ons are free under the Apache 2.0 license, but some of them are commercial or dual licensed.

In addition to the components, themes, layouts, and data sources inbuilt into the core Vaadin library, many others are available as add-ons. Vaadin Directory offers a wide collection of add-ons for Vaadin, and the user may also find others from independent sources. Add-ons are also a way to share a user’s own components between projects. There are currently over a hundred and eighty add-ons available.

They are divided to the following categories:

Most of the add-ons are free under the Apache 2.0 license, but some of them are commercial or dual licensed.