Barrapunto

3.2. Availability of Source Code. Any Modification which You create or to which You contribute must be made available in Source Code form under the terms of this License either on the same media as an Executable version or via a generally accepted mechanism for the electronic transfer of data (hereinafter "Electronic Distribution Mechanism"), to anyone to whom you made an Executable version available; and if made available via Electronic Distribution Mechanism, such source code must remain available for at least twelve (12) months after the date it initially became available, or at least six (6) months after a subsequent version of that particular Modification has been made available to such recipients. You are responsible for ensuring that the Source Code version remains available even if the Electronic Distribution Mechanism is maintained by a third party.

Sin leer el resto de la licencia, que habria que hacerlo. Esta seccion parece de espiritu GPL. Podria ser incluso una licencia GPL con añadidos que, no obstante, haya perdido la compatibilidad con GPL.