RenderDoc is a stand-alone graphics debugging tool.
Cross-platform, graphics API agnostic, "Bring Your Own Engine/Framework" style rendering library.
The DirectX Tool Kit (aka DirectXTK) is a collection of helper classes for writing DirectX 11.x...
Modern C++14 library for the development of real-time graphical applications
Modern C++14 game engine with Vulkan support, fully featured editor and C# scripting
A simple, direct, ultra-thin CLR library for high-performance Win32 Native Interop