In Germany the national library is also required by law to take care of digital ("körperlose Werke") media.

They are still figuring out what a good way for archival of those is and are quite selective in choice what they archive, but they plan to expand on that

German page: https://www.dnb.de/DE/Sammlungen/DigitaleSammlungen/dgitaleS... English page: https://www.dnb.de/EN/Sammlungen/DigitaleSammlungen/dgitaleS...