X11 is being actively developed, last commit on xserver was 7 hours ago, and it will probably continue being worked on for a long time

You can do #+TITLE: titletext instead for titles at least, also I guess the table stuff is reasons to do emacs because you only need to do the first | and then pressing tab/enter like excel does the rest

There is a new maintained fork of keepassx called keepassxc as well if you want to stick with keepass