The SoftPixel Engine is an OpenSource high level realtime 3D engine for C++ (GNU C++ & VisualC++). It supports Direct3D11, Direct3D9, OpenGL 1.1 - 4.1, OpenGL|ES 1.1 and OpenGL|ES 2.0 and runs on Windows, Linux, Android and iOS.
Demonstock is a GUI foundation for creating user interfaces and other graphic content. It features a library of tools and functions that are used to build GUI elements and components.
Based upon both a QT and VisualBasic design, Demonstock is a flexible GUI editor with plugin and extension capability.