X11 is a low-level GUI system, so there are quite a few steps to create even the most simple drawable object, but this also makes it quite simple to understand and thus quite suited to such a project.

Notwithstanding the "minimal GUI" mode, Microsoft is recommending to software developers to not assume a GUI will be present. The full, rich GUI experience happens on the client.

Quite honestly, it is entirely possible to live completely without a GUI (more or less)—even today, in 2019. And, these applications make it possible—challenging, but possible. Web Browsing Plenty of ...