Very basic, but maybe better then all the shiny none working solutions.
Will sync all calendars to vdir.
khal is able to parse and show them. khal also offers an cli interface
to fetch events for a certain time.
Properly use keepass xc via secret tool as command line tool
Enable keepassxc usage as secret tool.
Remove crypted file as this no longer keeps passwords
Remove korganizer as it doesn't provide notifications, try khal
Daniel Siepmann