LICENSE

10 years step from commercial to open software license: 

We believe you can close the sources of your software for 10 years to have commercial benifits and after that period you should contribute the whole sources of you software that are more than 10 years old to humanity. Permission is hereby granted, free of charge, to any person or organization obtaining a copy of the software and accompanying documentation covered by this license (the "software") to use, reproduce, display, distribute, execute, and transmit the software, and to prepare derivative works of the software, and to permit third-parties to whom the software is furnished to do so, all subject to the following: you need to gradually open and redistribute freely the sources of the whole programm (software) in which this code was used that are more than 10 years old (since the time of first public release) to all general public on the same conditions described in this licence.