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Free forever for academic & nonprofit non-commercial use.
SAMSON and all SAMSON Extensions are free for non-commercial use.
This includes extensions for docking, simulating, animating, scripting, etc.

Most features run locally for free. Some optional calculations run in the cloud,
such as structure prediction and cloud simulations, and require computing credits.


Commercial plans start with a free 30-day trial of the Expert plan.
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Please confirm non-commercial use
Please confirm you qualify for a free non-commercial license:
• Nonprofit or academic purposes.
• No commercial, paid, or consulting work.

Not eligible
Paid consulting
Commercial R&D
For-profit services

 Eligible examples
Charity-funded projects
Non-commercial projects
University research & teaching