GanttProject Integrator can be purchased on an annual subscription basis. This subscription license has differing numbers of Resources allowed in GPI. At present there are Maximum Resource limits of 25, 100 and 200. Contact Nufocus Inc. if you require more resources or are interested in GPI for multiple concurrent users.

Click on the "Subscribe to GPI" link below to begin the purchase process.

You can use a major credit card or your PayPal account to make payment. Upon successful payment processing, an e-mail will be sent to you containing your GanttProject Integrator Activation Code.

Subscribe to GPI

Within the GanttProject Integrator software, on the "Configuration" page, click on the "Register GPI" button to enter your newly acquired activation number.

If you encounter problems during the payment and/or activation process, please contact


If you have questions or comments about GanttProject Integrator, contact Nufocus