

I believe they have a department for this and I did some research and found out that planning on a new physics building is currently being done (seems my information was outdated). The “Bauherr” ist the senate of the city, so at least in this case they are not doing it “in house”.
Source: https://www.tu.berlin/facilities/services/baumassnahmen/ersatzneubau-experimental-physik-ex-p

I used Joplin for a while and liked it for literature notes. Currently I use obsidian, but as I also use that for pen&paper notes I am thinking of going back to Joplin for academic stuff.