Looks interesting. There is a very similar package in Python called Rich[0] which has some more features like code syntax highlighting and markdown support. One of Spectre's examples[1] even copies one of the Rich examples[2] identically

EDIT: Oh I see they've linked Rich as a inspiration.

[0]https://github.com/willmcgugan/rich [1]https://spectresystems.github.io/spectre.console/#examples [2]https://github.com/willmcgugan/rich#tables