I see a picture of Aachen, I press like!

German is not quite correct. We say “Kellerassel”.
Keller -> Cellar
Assel -> Isopod

Ich hätte auf Papst getippt, aber da lag ich wohl daneben.

Ich hätte da einen Vorschlag: Was wäre wenn sich reiche Menschen nicht über die Private Krankenversicherung aus der Solidargemeinschaft rauskaufen könnten?

I made good experiences with Zotero. Works well with LaTeX, a browser-plugin allows to add papers directly and you can annotate downloaded PDFs. Only problem I had were the paper-metadata, which often needed some fixing. Also that you cannot host your own server is a slight disadvantage.