Licensing and downloading:

GAMESS+DF is licensed under the Apache License, Version 2.0.
The manual of GAMESS+DF is licensed under CC-BY-4.0.

Publications of results obtained with the GAMESS+DF software should cite the program and/or the article describing the program.

No guarantee is made that this software is bug-free or suitable for specific applications, and no liability is accepted for any limitations in the mathematical methods and algorithms used within. No consulting or maintenance services are guaranteed or implied.

The use of the GAMESS+DF implies acceptance of the terms of the licenses. The software may be downloaded here.