DSVideoLib - DirectShow Video Processing Library
- Free software library for device-independent access video images under Microsoft Windows.
- http://sourceforge.net/projects/dsvideolib

Stellarium
- Shows a realistic sky in 3D, just like with the naked eye, binoculars or a telescope.
- http://www.stellarium.org/

DXF to OpenGL
- An OpenGL program, with source code included, that displays DXF files.
- http://www.bearcave.com/dxf/dxfintro.htm

PPE
- The Pretty Poly Editor (PPE), is a free and open source 3D Modeller. (GNU GPL)
- http://prettypoly.sourceforge.net/

Terraform
- Free and open source interactive height field (or fractal) terrain generation and manipulation program. OpenGL is used for rendering and for displaying the height field (or fractal) terrain. (GNU GPL)
- http://terraform.sourceforge.net/

Image Restoration and inpainting
- MinGW, OpenGL, Visual C++ and Java image processing project about enhancing, denoising, restoring and detecting/removing parts of images/pictures.
- http://restoreinpaint.sourceforge.net/

Cellumat3D
- Open source tool for simulating and exploring cellular automata in 3D space
- http://cellumat3d.sourceforge.net/

OpenUniverse
- Free space simulator. Currently focusses on the Solar System and lets you visit all of its planets, major moons and a vast collection of smaller bodies in realtime 3D with OpenGL.
- http://openuniverse.sourceforge.net/

3D-Desktop
- GNOME Linux OpenGL program for switching virtual desktops in a seamless 3-dimensional manner.
- http://desk3d.sourceforge.net/

Really Slick Screensavers GLX Port
- Port of OpenGL screensavers that were originally written for Windows to GLX. It is intended for use with an existing screensaver daemon like xscreensaver.
- http://rss-glx.sourceforge.net/