While it won’t offer all the bells and whistles that a vendor-specific integration has, the Internet Printing Protocol (IPP) integration is a nice generic integration that reports status and ink/toner levels of network enabled printers that support IPP. Its a very generic protocol, so I believe most network printers will work fine with that. That might help broaden your search a bit (our 2014 Canon laser printer works fine with it).

Yagshemash!

How about Obsydian? Seems like a great and flexible app, plugins to add as much as you like, and free for personal use.

Not sure about the zero, but seems to be ran successfully on other raspberries, see https://forums.raspberrypi.com/viewtopic.php?t=344018

How do you track (PostNL) packages?

Кашкавал (kashkaval)

It’s funny how everyone answers the question, yet you still don’t know which language it is