No, yFiles is not free. The yFiles software components are a product family of <a href="https://www.yfiles.com/pricing#commercial-sps">commercial programming libraries</a>. If you want to use yFiles in your application, you will need an appropriate <a href="https://www.yfiles.com/pricing">yFiles license</a>. To test any of the yFiles SDKs, we provide <a href="https://my.yworks.com/signup" target="_blank">fully functional evaluation</a> versions. <p>For all your questions around yFiles licensing, the <a href="https://www.yfiles.com/contact" target="_blank">yWorks sales team</a> will be happy to help you.</p>

yFiles Pricing

Flexible licensing that grows with your project

Item: yWorks GmbH
Author: Kevin Lorenz

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.

Ideal for individual developers working on smaller projects.

1 named developer
Unlimited apps
No restrictions on development sites
Support by real engineers
Annual subscription

Contact Sales

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.

Why choose yFiles?

Fair & transparent pricing

Start with an affordable Term License that keeps you up to date with ongoing updates included.

Absolute efficiency

Avoid years of development time and benefit from a stable, production-ready library.

Freedom to build

With no royalties or restrictions, you can develop unlimited applications with full control.

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What developers are saying

Many software developers exploring yFiles pricing often overlook just how much time and money their company could save. Building an SDK of the same caliber from scratch requires years of development and substantial resources— costing exponentially more than yFiles' license fee.

With yFiles, you get a production-ready SDK refined over 25 years, saving your team from costly delays, ensuring a fast time-to-market, and delivering reliable, high-performance applications. For companies, this means immediate value and significant savings compared to the long-term expenses of in-house development.

Choosing yFiles saved us both time and money. We could focus on building our app, knowing we had a stable, reliable foundation.

— Senior Developer, Enterprise Client

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

Got questions about
yFiles Licensing?

Ramon Konradt

Customer Success Team

Email: hello@yworks.com
Phone: +49 7071 9709050

Get in touch

Frequently Asked Questions

Which platforms does yFiles support?

Right now, yFiles supports HTML / JavaScript / TypeScript, Java (Swing), JavaFX, Avalonia, .NET (WinForms), and WPF.

Is yFiles free?

No, yFiles is not free. The yFiles software components are a product family of commercial programming libraries. If you want to use yFiles in your application, you will need an appropriate yFiles license. To test any of the yFiles SDKs, we provide fully functional evaluation versions.

For all your questions around yFiles licensing, the yWorks sales team will be happy to help you.

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.
Please refer to the pricing information and software license agreements of the respective product for more details.

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

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

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.

Where can I find my latest yFiles license keys?

For yFiles licensees, the latest license keys are available for download in the yWorks Customer Center to the customer account administrator and entitled team members.
For yFiles evaluators the license keys are included in the evaluation package available for download in the yWorks Customer Center.

The default yFiles license types do not seem to cover 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.

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