CCP4 is software for macromolecular X-ray crystallography.

Website: http://www.ccp4.ac.uk/index.php

Installed versions:  6.1.3, 6.4.0

Acknowledgement: Available – http://www.ccp4.ac.uk/dist/html/REFERENCES.html

Licensing:  Non-commercial use.  http://www.ccp4.ac.uk/ccp4license.php

executable is ccp4i