Source licensed in compliance with the [[ https://www.debian.org/social_contract#guidelines | Debian ]] guidelines.
NB! This may imply compliance with [[ https://www.gnu.org/philosophy/free-sw.html | FSF ]] guidelines too, but not in all cases.
SBugs shouldd be reported upstream to Debian and usertagged, to be in sync with [[ https://bugs.debian.org/cgi-bin/pkgreport.cgi?users=debbugs@pureos.net;tag=nonfree-license | corresponding bugs in Debian ]], where possible.