BTW, maybe exists something like to the "Awesome-Mastodon-Instances" for IT? BSD have instance, Ruby have instance, but how about Python, Linux, Computer Graphics, Game Development and so on. :-)
If someone is interesting about how to bootstrapping, this[0][1] tutorial is just awesome, tiny compiler from nothing (raw machine codes and hex!) to the self-hosting!
And if anyone is interested in knowing more about Factor, this tutorial is pretty good, from basics to the web development using Furnace (Factor Web Framework) - https://andreaferretti.github.io/factor-tutorial/ :-)