Ray Tracing
DX11
DX12
DX12 Ray Tracing
Vulkan
Khronos Vulkan Introduction
Khronos Vulkan C++ bindings for Vulkan
Vulkan Lecture Series, TU Wien, YouTube
Sascha Willems Vulkan C++ examples and demos
Vulkan Ray Tracing
NVIDIA Vulkan Ray Tracing Tutorial
Path Tracing
Christoph Peter's Shadertoy Workshop
Aras Pranckevičius' Daily Path Tracer
Daqi Lin's GPU path tracer