Recently I decided to open source a few projects, One of the projects is a game engine that I made with DirectX10 and it has an editor that I made with Qt, it also includes a simple game that was made with the engine, I hope it helps someone.
https://github.com/sadegh-taghavi/GarbageEngine
Also, you can check out my other repositories that may you find useful.
https://github.com/sadegh-taghavi?tab=repositories
Cheers