"A site license for GAMESS is available at no cost to both academic and industrial users. You will be asked to agree to this license during the process of downloading GAMESS. The license acknowledges the Gordon group's exclusive distribution rights to GAMESS, and also prohibits you from making copies of the GAMESS code for any purpose except use at your own institution. Please note the distinction between "a site license at no cost" and terms such as "public domain" or "freeware" or "open source"."
Free if you agree with the license