3D Scene: Illustrates most of the modeling, illumination, and rendering 3D objects. Covers Z-buffer, Shading, Phong illumination, and Ray Tracing.
4P: Pixel Pushing Paint Program: A clone of the Amiga version of the Electronic Arts' product, "Deluxe Paint". A low-resolution, low color-depth paint program.
Altaxo: Data analysis and plotting program (C#) [Windows].
Chart2D: A library written in Java for adding two dimensional charts to Java programs.
Coriander: GUI to control an IEEE1394 Digital Camera and handle its video output. Features, screenshots, manual, and download.
DIB Components: Delphi drawing components. Source code, help files, demos, and templates from Droopy Eyes Software.
Fandango: Python scripted 3D CAD engine. Description, requirements, download, links.
Height Map Editor: Edits, generates, and manipulates terrain height maps. These can be used in terrain renders, which are used in games, applications, and demos. Web based manual available. [Windows and Linux]
JPEG Pixel Interpolator: Interpolate defects (pixels, dots, stripes) in JPEG images with minimal quality loss.
MayaVi: Scientific data visualizer written in Python
Open CASCADE: A geometric modeling SDK available on Linux including geometric data structures, modeling algorithms and a shape viewer.
OpenDX: Open source visualization software package based on IBM's Visualization Data Explorer.
Project IDOL: An OpenGL project done under the Linux system that tries to develop an open source CAD software.
RTEQ: A free (GPL) Real Time Equalizer.