iRacing-TV is a simple to use and highly versatile overlay and camera director tool, to turn your live and replayed iRacing experience into something that looks professional and broadcast quality. It is also open source, and I welcome contributions.

About me: https://www.mobygames.com/person/16265/marvin-herbold/

GitHub repositories:
https://github.com/mherbold/iRacing-TV-Controller (for the controller app)
https://github.com/mherbold/iRacing-TV-Unity (for the overlay app)

Here is an example of what iRacing-TV can look like. Remember that all of the graphics are fully customizable.