Powerful and easy-to-use embedded GUI library with many widgets
Retro Computer Image Library
Resilient Image Library - successor to DevIL
A project that has moved to GitHub
Source code for efficiently rendering parametrically defined surfaces
Simple, open-source 2D graphics for everyone
A small C library for building user interfaces with C, XML and CSS.
3D Software Renderer in 700 Lines
A full featured cross-platform image library
An easy graphics library using C++ in windows...
A really simple (following K.I.S.S statement) ray tracing project.
Renderer for subtitle format SSB.
Not your usual Architectural Modeler
Texture compression and conversion program with KTX and DDS support.
Megalui: 2D/3D OpenGL & C/C++ Library for Scientific Visualizations