Starting with Ecopath version 6.6 you will be able to take out an annual professional license for your project team or research unit:

Feature Free Pro
All EwE modules Yes Yes
Stock plug-ins Yes Yes
Spatial temporal data framework Yes
Technical support Yes
Pricing Free 5000 EUR/year

Technical and scientific support are optionally available through support contracts, co-development contracts, or by including EwE developers or R&D Consortium member institutes as partners in your projects.

Please contact us for volume licensing.