IBM Plex is a nice alternative to Hack, and includes serif and
sans-serif variants as well. AFAIK, it came out last year and
uses the Open Font License (OFL). The different font variants
make it a great choice for ricers.
There are many dotfiles that we don't have to worry about when using a
desktop environment like Plasma or Xfce. These dotfiles are bspwm
specific and should all be stowed at the same time when stowing bspwm.