> It’s funded by the FreeBSD foundation, so “by” fits.

No, it is not.

FreeBSD are listed as ONE of the three core sponsors.

The other two are commercial organisations.

The GitHub repo is not hosted by FreeBSD either, it is by one of the other sponsors, "AlchemillaHQ".

There is nothing "by" about this.

"for", sure, but "by", nope.