3 ms·
See https://en.wikipedia.org/wiki/Proprietary_software https://en.wikipedia.org/wiki/Proprietary_software -- your definition of "proprietary software" as equal
by cjbprime 9y ago
See https://en.wikipedia.org/wiki/Proprietary_software https://en.wikipedia.org/wiki/Proprietary_software -- your definition of "proprietary software" as equal to "closed source software" is idiosyncratic.