It's still early days but I'm working on it: https://github.com/wrnrlr/foxtrot

IIRC wasn't one of the design philosophies of Mathematica that everything you need is a part of the core language, eg. you don't need libraries.

He should open-source this whole thing ... and start selling click-bait ads ... with a heavy dose of surveillance ... like the rest of us do.

Not going to happen while Wolfram runs the company.