yFiles Licensing and Pricing

Q: In the context of yFiles licensing, what is meant by a "single developer"?

A "single developer" refers to one individual who exclusively can use yFiles for development purposes. This license is not a floating license, meaning it is tied to that specific developer.

Q: What is a project license for yFiles?

A project license allows multiple developers to work on one specific, clearly defined application or project. The application must be identifiable by name and scope.

Q: What is a site license for yFiles?

A site license allows unlimited developers to work on unlimited applications at a single development site. The site is defined by its physical (postal) address.

Q: Do the yFiles licenses cover the use of automated build processes, e.g. for CI / CD (Continuous Integration / Continuous Delivery)?

The yFiles Project and Site license types cover the use of automated build processes, like a build server or CI / CD pipelines.

Q: What is the difference between the single domain key and the unrestricted domains key for yFiles?

A yFiles Single Domain License Key allows hosting your application(s) on one specific domain. In contrast, an Unrestricted Domains License Key is bound to the application itself and can be used to host the app on any domain.

One subscription, no royalties. Choose the tier that fits your current project, and scale flexibly as you grow. If the Term License isn't the right fit, please get in touch—we'll find an individual solution together.

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Why investing in a commercial SDK is the right choice for your business

Long-Term Project Security

Ensure stability and flexibility with a reliable commercial SDK.

By using a commercial library, you minimize the risk of unresolved issues or discontinued maintenance. Your projects remain future-proof, flexible, and secure.

Efficient Development

Save time with pre-built components and advanced features.

Ready-to-use features eliminate the need for extensive custom development, allowing your team to focus on unique functionalities.

Superior Quality

Benefit from ongoing innovation and well-tested solutions.

Commercial SDKs are continuously enhanced by dedicated teams, ensuring consistent performance and thorough documentation.

Extensive Documentation and Support

Simplify implementation with comprehensive resources.

Documentation, tutorials, and dedicated support ensure smooth integration and quick resolution of challenges.

Continuous Updates

Stay stable and secure through regular updates.

Frequent updates from a commercial SDK ensure stability, security, and future-proofing. Dedicated teams maintain compatibility, fix bugs, and address vulnerabilities, so you can focus on building great software on a secure foundation.

Discover the Key Benefits of yFiles

A unique set of key benefits makes yFiles unmatched.

Frequently Asked Questions

How does the licensing work for yFiles?

yFiles enables white-label integration into your applications, with royalty-free and term-based licensing. There are no third-party code dependencies. The license types mainly depend on the number of developers who will be working with the library and in how many applications yFiles will be used.

In the context of yFiles licensing, what is meant by a "single developer"?

A "single developer" refers to one individual who exclusively can use yFiles for development purposes. This license is not a floating license, meaning it is tied to that specific developer.

What is a project license for yFiles?

A project license allows multiple developers to work on one specific, clearly defined application or project. The application must be identifiable by name and scope.

What is a site license for yFiles?

A site license allows unlimited developers to work on unlimited applications at a single development site. The site is defined by its physical (postal) address.

Do the yFiles licenses cover the use of automated build processes, e.g. for CI / CD (Continuous Integration / Continuous Delivery)?

The yFiles Project and Site license types cover the use of automated build processes, like a build server or CI / CD pipelines.

Are technical support and product updates included in the yFiles licenses?

Yes, included in the term-based licenses are free product upgrades to all versions of the licensed software that will be published during the term as well as free access to technical support during the term.

Is the source code available for yFiles?

Depending on the yFiles platform, licensees may have access to non-minified or debugging variants. Complete source code can also be licensed, including rights to modify it and distribute derived versions with custom applications. For more information, please contact the yWorks sales team at sales@yworks.com.

What if the standard yFiles license types don't meet my requirements?

If you think that the standard license types do not fully meet your requirements, we encourage you to contact our sales team. We will do our best to find a custom licensing option that is tailored to your specific requirements.

What is the difference between the single domain key and the unrestricted domains key for yFiles?

A yFiles Single Domain License Key allows hosting your application(s) on one specific domain. In contrast, an Unrestricted Domains License Key is bound to the application itself and can be used to host the app on any domain.

What is VSDX Export for yFiles for HTML?

VSDX Export is a paid add-on for the commercial yFiles for HTML software component that allows you to export yFiles diagrams to VSDX format, compatible with Microsoft Visio®. This add-on facilitates sharing, viewing, and editing of diagrams using any VSDX viewer.

For more information on licensing this add-on, kindly get in touch with the yWorks sales team.

Are there academic or research licenses available for yFiles?

Yes, highly discounted licenses for academic and research purposes are available for yFiles. For more information, please contact the yWorks sales team at sales@yworks.com.

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Getting started with yFiles

Tailored options for every step of your network visualization journey

Discover how easy it is to explore, evaluate, and implement yFiles for your projects. Whether you're looking to test it directly in your browser, build a prototype in your own environment, or invest in a long-term solution, yFiles offers straightforward options without hidden costs or commitments.
No subscription, no credit card required—just a quick start with your email address.

Getting started

Test in Browser

Perfect for a quick hands-on experience with yFiles for HTML, the Playground lets you test its features, try out sample code, and get a feel for its powerful capabilities in real time. All you need is a browser; no downloads or installations necessary.

Explore yFiles directly in your browser using the yFiles Playground, no setup required.

Quick Start with AI

Already using an AI coding agent like Claude Code, Qwen, or GitHub Copilot? Skip the manual setup. The yFiles AI tools give your agent up-to-date knowledge of the yFiles for HTML API, so it can scaffold a working project straight from a single prompt.

Copy the prompt and paste it into your agent:

“ Fetch https://yfiles.com/agent-start.md and follow its instructions ” ✓ ! Copied! Could not copy

Try for Free

Evaluate the complete yFiles SDK at no cost. Build prototypes in your own environment with full support from the yFiles core developers.

Start your free trial by visiting our evaluation center.

Buy the SDK

yFiles is available as a Term License, from a Single Developer License up to Project and Site Licenses—choose the tier that fits your team and project, with no royalties.

Not sure which tier fits, or need something more specific? We'll find the right solution together.

Customer Success Team