Free software licenses can be divided into two broad categories: copyleft licenses (like theGPL), which require derivatives of the software to be licensed under the same terms; and permissive licenses (like theMIT/X11 license), which allow the software to be reused in any project, even closed...
A major difference is that when the software is being redistributed (either modified or unmodified), permissive licences permit the redistributor to combine the licensed material with other license terms, potentially adding further restrictions to a derived work, while copyleft licences do not allow ...
In short, Deno is licensed under a license that is: open source free software OSI-certified FSF-approved DFSG-compliant GPL-compatible It basically means that what you are asking for is already true. You can take all Deno and act as if it was licensed under a copyleft license of your cho...
@marcan @fuchsiii Either way, like @landley I did the #copyleft experiment and those projects didn't see even remotely as much resonance or contribution as when I embraced #0BSD as a #PermissiveLicense (cuz #PublicDomain legally doesn't exist in #Germany: One cannot renounce #Authorship fo...