Black Seraph Engine is the result of my attempts at learning how computer graphics work at low level, mostly out of curiosity but also motivated by the goal to work as a game developer. The engine itself is written in C++ using various versions of OpenGL, all compiled with Visual Studio 2010 Express Edition. One of the main qualities of this engine is compatibility with all hardware (min req. is OpenGL 1.1), rock-solid stability, smart memory management and highly responsive input combined with well-planned multi-threaded processing that allows on-the-fly asset loading demonstrated by the absence of framerate drops.
You will find some demo projects in the downloads section as well as parts of the code that I have written for you as I think that those fields are not well covered in tutorials on the internet.