Free
US$0
No subscription required
Free for commercial and open-source applications
- Core engine and Flutter canvas
- Apache-2.0 public foundations
- Community support
VYUH DIAGRAM TOOLKIT
Start with the Apache-2.0 foundations for commercial or open-source applications, or choose a paid plan for the commercial toolkit extensions.
US$0
No subscription required
Free for commercial and open-source applications
US$79
per year
One individual developer · one commercial application
US$2,999
per year
Unlimited developers · one commercial application
Let’s talk
Custom agreement
Multiple applications or tailored requirements
The public foundations provide the headless diagram engine, Flutter canvas and controller APIs. Commercial editor controls and optional toolkit extensions belong to the paid plans.
The Apache-2.0 foundations can also be used in commercial applications under their license terms. A paid license is required for the commercial toolkit packages.
Indie and Team cover one named application, including its web, desktop and mobile editions, with unlimited customers. Already-shipped versions retain deployment rights after expiry; new SDK work, updates and support require renewal.
Prices appear here in USD; applicable taxes and the final billing total are shown at checkout.