this post was submitted on 28 Jul 2026
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In my opinion, I just don't understand permissive licenses. For example, with FreeBSD's license, companies can essentially "steal" the hard-earned efforts and use them to enrich themselves. For example, FreeBSD could have been a gaming OS, as the PlayStation's OS is FreeBSD. However, they didn't give anything back to the community.
Copyleft licenses, on the other hand, require companies to contribute any changes they make to the code back to the community so that it benefits the community as a whole. In this case, there's no "stealing", companies need to respect the community's efforts by giving back.
That's my two cents anyway.
If freebsd was copyleft PlayStation would've never used it in the first place. Same as the BSD TCP/IP stack with windows.
The TCP/IP stack is a good example where permissive is helpful. Getting a protocol stack adopted. In a world of a mix of open and closed, permissive can paper over cracks.