OpenDesk by the Centre for Digital Sovereignty (opendesk.eu)

A public demo or some screenshots would go a long way, imo. Even finding the comunity editiion took me a minute...

For people looking for community edition and how it can by used by anyone, here [1] you can find it

[1] https://gitlab.opencode.de/bmi/opendesk/deployment/opendesk

how does it compare with nextcloud?