Collaboration Engine is licensed under the Commercial Vaadin Runtime License (CVRL). You can try Collaboration Engine out and develop applications with it without charge. When you take your application to production, you need a valid license file. To get started, follow the Quick Start Guide to learn about adding Collaboration Engine to your Vaadin application, and using its high-level APIs.
While your application is in development mode, you can use all the features of Collaboration Engine without restrictions. You do not need a development license or a separate trial. Development mode is the default mode of a Vaadin application and is used when not explicitly configured to do a production build.
Collaboration Engine is billed at run-time, based on the number of unique end users per month using collaboration features in an application.
There are two options for taking an application that uses Collaboration Engine into production:
Free "Universal" License (works with any Vaadin application)
Commercial License (requires an active commercial Vaadin subscription)
The "Universal" License is free for all Vaadin developers. It allows up to 10 unique end users in a Vaadin application to use features that rely on Collaboration Engine each month. Developers do not require a commercial Vaadin subscription (Pro, Prime, or Enterprise) to use this license. To download this license, visit the "When you take your application to production" section of the documentation.
This license requires an active commercial Vaadin subscription (Pro, Prime, or Enterprise). Each commercial Vaadin subscription is entitled to a bundled quota of end users, which depends on the number of developer seats in the subscription.
Pro subscribers get 10 bundled end users per developer seat.
Prime subscribers get 25 bundled end users per developer seat.
Enterprise subscribers can negotiate a custom quota.
The end user quota can be expanded at a fixed rate of 1 USD (or 1 EUR) per user.