- A thin library that provides hardware graphics acceleration, input device handling and abstraction, integrated windowing system with support for translucent windows and multiple display layers, not only on top of the Linux Framebuffer Device. Latest stable release is 1.2.0, 2008-07-17.
MathGL - Library for Scientific Graphics
- A cross-platform, scientific graphics plotting library. Website also available in French and Russian; documentation also available in Russian. Latest release is 1.11.2, 2011-08-22.
Official OpenGUI home page
- A high-level, cross-platform C/C++ graphics and windowing library built on a fast x86 assembler graphics kernel. Latest stable release is 5.5.14, 2007-02-23.
SGE - SDL Graphics Extension
- A cross-platform graphic library for the Simple DirectMedia Layer (SDL) library. Latest version was released 2003-08-11.