An award-winning drawing program for children of all ages
Display, convert, and edit raster image and vector image files
Image processing library in C/C++
a free library to read and display PNG images.
3D Procedural Modelling and Procedural Texturing Tool in OpenGL/C++
small console GML or graphviz DOT graph viewer
Aramacao is a lip syncing application for Linux
Unofficial Windows builds of FontForge
3D Software Renderer in 700 Lines
Some image processing tools
Make interesting, mostly Mandelbrot set based, desktop wallpaper.
A C extension to Tk that provides functionality to modify images
Tool to plot 3d-graphic from an XML, EXCEL or parametrization