A C99 implementation for reading/writing WMF and EMF Graphic Metafiles
Graphical Interface for Medical Image Analysis and Simulation
Jade is a cross-platform diagram editor built on the Qt framework.
A modern "graphics" API for text-based applications
https://github.com/horde3d/Horde3D
Helps you visualize the space used on your drives with colorful chart.
A Tcl/Tk widget for OpenGL rendering.
1st 3D game engine built in C# for .NET, Visual3D Engine's predecessor