For ridiculously-specialist poetry-writing software, the maker of that pretty Classical Chinese programming language ( https://wy-lang.org/ https://wy-lang.org/

For ridiculously-specialist poetry-writing software, the maker of that pretty Classical Chinese programming language ( https://wy-lang.org/ https://wy-lang.org/ ) people were talking about had also previously made a similar editor for Tang-era Chinese poetry - https://github.com/LingDong-/cope https://github.com/LingDong-/cope , which keeps track of tone patterns and rhymes.