Hi AL.
Maybe I am in then wrong category here but …
I am looking for something “Calenderish”. I realize that I am very oldfashioned and so far I have used a paper-Calender for appointments, rehersals and concerts. Now I have lost my third one this year and I think I need to go digital. Is there an opensource Calender (or such) that is multi-platform?
I am using a nextcloud-based calendar that syncs between my laptop (Lightning for Thunderbird), Android phone (Calendar app from FDroid) and web-accessible platform (nextcloud). This works perfectly for me and I can literally access it from anywhere, with or without my own devices.