Fabrice Bellard also wrote an OpenGL thing: https://bellard.org/TinyGL/
replies(4):
(Mar 5 2022) TinyGL 0.4.1 is out (Changelog)
(Mar 17 2002) TinyGL 0.4 is out (Changelog)
"our plans are measured in centuries"
Funny how history turns out.
It seems to have more features and limited support for multithreading, with more recent updates compared to the original project. Sadly it was archived in late 2023.