Powerful and easy-to-use embedded GUI library with many widgets
3D Without Boundaries
Img is a collection of format handlers for the Tk photo image type.
Display, convert, and edit raster image and vector image files
functions for 2D/3D graphics + realistic driving simulation
Cross Platform GUI Toolkit
A small C library for building user interfaces with C, XML and CSS.
Tool to plot 3d-graphic from an XML, EXCEL or parametrization
Perl bindings to the Modern OpenGL API
X Windows baby toolkit
A really simple (following K.I.S.S statement) ray tracing project.
PHIGS (Programmer's Hierarchical Interactive Graphics System)
Multimedia asset management and manipulator for Étoilé
Renderer for subtitle format SSB.