They also have https://sane-project.gitlab.io/website/ (got an SSL error with your link)

And in regards of text and graphs: everything is mirrored from behind. I am not sure what transparent screens may be used for.

Doesn’t this already exist since half a century? https://en.m.wikipedia.org/wiki/Head-up_display No need for a transparent display at all.

Well, I think all Jetbrains software is written in Java…?