XUSGXUSG, XU's supreme graphics lib, is a handy wrapper currently for DirectX 12. It can be a good reference for designing your own DX12 wrapper APIs.
awesome-rtxCurated collection of projects leveraging NVIDIA RTX technology (OptiX, DXR, VKR)
DXRExperimentsA lightweight prototyping framework for DirectX Raytracing that runs on Microsoft DXR Fallback Layer.
RayTracedGGXRay tracing sample using GGX reflection model, 1spp with spatial-temporal denoiser. Acceleration structure build uses async compute.
dxr-path-tracingA DXR path tracer with OptiX denoising. 5 months worth of research, trial & error as part of a project to learn and understand DirectX Raytracing & raytracing concepts.
4DViewsTest34DViews volumetric video with Unity DXR realtime ray tracing