Internal use from $1495 / developer
OEM (external) use from $3495 / developer
Contact sales about our new OEM Value Bundle

Multi-developer discounts available

Product group and enterprise licenses available

We offer perpetual and term distribution periods for OEM licenses

Request a quote

Licenses available for enterprises and multiple product groups

JumpStart training may be available. Contact sales for details

Contact Sales


Diagramming built for the Web


Powerful Diagrams in Windows Forms


WPF Diagrams


Internal Use licenses are for building a single application, limited to distribution on a single domain with internal users only (employees and contractors) within the organization and for less than 250 users. Distribution rights are perpetual.

OEM (external) licenses are for building one or more applications within a single product group for unlimited distribution to internal and external users. This license is also required for applications deployed outside your organization.

Our products are licensed per developer or with a Product Group license, which provides unlimited developer's licenses for a specified group. Enterprise licenses are also available, contact sales for details.

Our default OEM license allows a single domain usage, but you can add on usage rights for unlimited domains for an additional cost. For GoJS, usage rights across unlimited domains can be purchased for a one-time cost of $2,995.

There are no runtime fees or royalties for applications produced with the Go products.


We support purchased software products via email and online forum.

An annual support subscription ("Subscription") can be purchased up front. A Subscription provides you with support for one year and access to new versions of the software released during that same period.

A substantial discount is provided if you purchase a Subscription with your license or you renew your support Subscription annually, as staying up to date with our software releases is mutually beneficial for Northwoods and you. Subscription renewals to an active Subscription in subsequent years costs $795 per developer license ($995 with source), or $4,995 for renewal of a Product Group License. You will be contacted 30 days prior to your renewal date with details on subscription renewal.

If you did not purchase a Subscription when you first purchased your software license, or if you fail to renew an active Subscription within 30 days of its expiration, you may still upgrade to a Subscription, but the upgrade fee is not discounted.

Source Code

If you have purchased an internal or OEM license, you can add on Source Code for a fee. Please contact us for pricing and details. Source code sale is subject to approval by Northwoods.

Payment Options

We accept all major credit cards.

Mastercard Visa AMEX DISCOVER

We accept purchase orders; however, note the following Terms & Conditions: By submitting a PO to Northwoods, you agree that the applicable Northwoods software license agreement solely governs your purchase and use of the software, and that any PO or other document submitted or used in connection therewith shall be for administrative convenience only and all terms and conditions, reference to links where terms reside or otherwise stated therein shall be void and of no effect. This will include any purchases made by PO from end users, resellers or third party payment processors.

We also accept bank transfers, money orders, cashier's checks, and personal/business checks in U.S. currency. Please contact us if you wish to purchase this way.

Once we have processed your order, we will email you download directions for the products you have ordered. This typically happens within a few minutes (international orders may take longer).

If you wish to purchase in another currency, please contact sales.

Terms & Discounts

All of our Go products are licensed per developer. There are no runtime fees or royalties for applications produced with the Go products.

Northwoods provides volume discounts that increase for every license purchased after the first (12.5% for 2 licenses, 16.66% for 3 licenses and 18.75% for 4 licenses). These discounts are automatically applied by our on-line shopping cart. A Product Group License is granted when you purchase 4 licenses. A Product Group License allows an unlimited number of developers within a single product group to work with the product at one or more locations.

All sales are from Nashua, New Hampshire. The State of New Hampshire does not impose a sales tax. Collection and payment of any other taxes or duties, both US and international, are the sole responsibility of the customer.

Our privacy policy

Return Policy

If you are not satisfied with a purchase, you may cancel an order within the first 30 days for a refund.

You must confirm that all copies of software products purchased have been returned or destroyed.

All sales are final thirty days after purchase or invoice date.