C++, Qt, OpenGL, Direct3D 11, Unreal Engine 4
QuadrantUI brings fluid, highly dynamic user interfaces into games. It easily integrates into any game engine and currently supports rendering with OpenGL and Direct3D 11.
Extensive, out of the box, Unreal Engine 4 integration is provided via an additional plugin.
As a co-founder and primary developer of the project I have been responsible for things such as: