Hi,
Just listing that we have alpha 1 of our open source 3D engine released. We have our own website, and the code is on GitHub and SourceForge.
We also have project/blogs on Gamedev tied to this account.
Just posting to raise awareness of the engine.
https://sourceforge.net/projects/vividengine2/
https://github.com/pysgames/VividEngine2
The Engine has been in development since 2017.
You will require Visual Studio 2019 + .Net 4.8 installed, to use the engine.