@requiem The one that sprung to mind was this one https://www.hackster.io/news/the-return-of-the-vt100-a4affbf640ac (add your own keyboard though). However, that never seemed to make it in to production.
If you don't mind adding your own keyboard and screen, though, you could, of course, go for one of these :-) https://z80kits.com/shop/rp2040-vga-terminal/
@highvoltage @requiem indeed ... I used http://www.fabglib.org with my Z80 SBC