I think the accepted terms are "open source" (free software that may or may not be "copy left", eg: gpl, bsd, mit) and "source available" (proprietary, you can

I think the accepted terms are "open source" (free software that may or may not be "copy left", eg: gpl, bsd, mit) and "source available" (proprietary, you can see the source, but not redistribute etc. This is a spectrum from old qmail ("no forks, verbatim copies ok) to tarsnap (code available so user can audit) and code available under strict NDAs (I believe Microsoft provided source to dod in order for dod to consider windows for secure systems, for example).