To add to that, they are very open about inquiries from legal authorities, see their yearly Transparency Reports:

Not all the enquiries we receive are legal, and our data protection officer will critically assess every single request in order to make sure it is in line with the requirements of the law. If there are any doubts about the legality of a request, our specialised lawyers will be consulted. If a request is formally and legally correct, we will service it, otherwise it will be rejected.

…BUT E-Mail is an insecure form of communication by default, so you should definitely look into PGP encryption, see Privacy Guides - Email Security.

Taiga (https://taiga.io/) could be what you’re seeking.

Yeah… we’ll get there eventually, babysteps! If you want to give the dev (u/KRobinDev) a nudge in the right direction, try your luck; I don’t have an account.

Yep, Germany in general has a pretty active open source community, so there are already a lot of alternatives out there. Unfortunately, most IT people are bad at marketing, which is why hardly anyone knows about these alternatives.

Their official server in the fediverse (https://social.bund.de/public/local) with currently 99 active government agencies and institutions.

[…] you can find the data here: https://dumps.wikimedia.org/other/kiwix/zim/wikipedia/

The latest (January 2024) total dump for Wikipedia (English) is: wikipedia_en_all_maxi_2024-01.zim

…but there’s other languages and sizes available as well.

Repost of: https://lemmy.blahaj.zone/comment/12154129