Drawpile gUG (haftungsbeschränkt)
If you’re looking for Drawpile, the collaborative drawing program, go to drawpile.net!
This website is about the non-profit organization behind it, called “Drawpile gemeinnützige Unternehmergesellschaft (haftungsbeschränkt)”. The long German stuff basically means “company serving the public good (limited liability)”. The organization exists to provide artists with public digital infrastructure and public software to create, teach and learn together.
To donate to the organization, go to the donations page here.
If you want to get in contact, take a look at the help page on drawpile.net.