Some links for other folks looking at this:
https://www.sovereign.tech/legal
https://www.sovereign.tech/faq
https://www.sprind.org/
https://de.wikipedia.org/wiki/Bundesagentur_f%C3%BCr_Sprungi...
I guess the government wouldn't fund more than one such org, even if the additional ones were non-profit instead.
At least NLnet (similar org from .nl) is a registered charity. IIRC its funds are from the EU level though.
https://nlnet.nl/
What happened with Bundesanzeiger Verlag GmbH?