Open Source Is Old School, Says The GitHub Generation
For years, the software industry has been trending away from so-called 'copyleft' licenses like the GNU General Public License (GPL) and toward permissive, Apache-style licensing. Given the rising importance of developers, this isn't surprising: developers just want to get work done without being bogged down by license requirements. It's perhaps not surprising, therefore, that permissive Apache licensing may simply be a way station on the road to no licensing at all.
That's what GitHub seems to be telling us, anyway.
A Trend Toward Extreme Permissiveness
Early in the life of free and open-source software, copyleft licensing reigned supreme. But for years, permissive licenses like BSD and MIT have been climbing, as Redmonk analyst Donnie Berkholz nicely pictures: