Depends on what are you interested in eg if you enjoy genealogy I'd suggest going for Gramps https://github.com/gramps-project/gramps https://github.com/gramps-

Depends on what are you interested in eg if you enjoy genealogy I'd suggest going for Gramps https://github.com/gramps-project/gramps https://github.com/gramps-project/gramps . Maybe share more info on what you like so we can suggest something you might enjoy?