Maybe the same with some other projects of "programming influencers". The owner has 12k followers on Github, maybe even more on other networks. Those people can post a single announcement that they will do something new, and get like 1k stars for nothing, as well as a hand full of contributors.
it's a gui!
It looks like a Mac hello world GUI project though! Needs a bit more on screen to demonstrate anything.
I'm not suggesting otherwise, merely that it is, in fact, a gui