And I meant to say, most helpful resource for me was the website rtings. Most review and best of lists I can find by searching are so spammy, it’s hard to get any signal. But at least that one let’s me filter a table of printers by features. I just don’t know how many they’re missing.
There’s a more direct version of that, I guess from KDE, called KdirStat.
I hadn’t heard of the one in the op. But if I had to guess, it looks like it’s a different take on the same idea.