I think that label is also already taken, because "source availability" doesn't imply an ability to rebuild it from the source or even make a suggestion. I gue

I think that label is also already taken, because "source availability" doesn't imply an ability to rebuild it from the source or even make a suggestion. I guess there should be some compositional keywords for different aspects of non-F/OSS but not completely proprietary licenses. Source available, artifact buildable, artifact distributable under some conditions, etc.