I don't know about GNU, but OpenStreetMap has a licence where bits kick in if it's used externally, and it defines it as: "“Publicly” – means to Persons other

I don't know about GNU, but OpenStreetMap has a licence where bits kick in if it's used externally, and it defines it as: "“Publicly” – means to Persons other than You or under Your control by either more than 50% ownership or by the power to direct their activities (such as contracting with an independent consultant)." So if you can tell someone to do something, they are internal. If you can't, then that's public. https://opendatacommons.org/licenses/odbl/1.0/ https://opendatacommons.org/licenses/odbl/1.0/