Cross-platform 3D graphics creation suite for modeling, animation, rendering, post-production, realtime interactive 3D, game creation and playback

Shows a realistic sky in 3D, just like with the naked eye, binoculars or a telescope.

Video and film composting and special FX system that uses OpenGL hardware rendering to give operators near real time interactivity. The system is cross platform, and includes full CG, paint and image processing modules.

Free software library for device-independent access video images under Microsoft Windows.

The Vincent project develops a compliant implementation of the OpenGL ES 1.1 API specification for embedded devices, such as PDAs and Smartphones. Includes documentation, bug tracker, a forum, and downloads.

MinGW, OpenGL, Visual C++ and Java image processing project about enhancing, denoising, restoring and detecting/removing parts of images/pictures.

An OpenGL library for Mono and .Net. Contains information, documentation, and discussion forums regarding the open-source OpenTK library, as well as C# and OpenGL in general.

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)

GNOME Linux OpenGL program for switching virtual desktops in a seamless 3-dimensional manner.

Port of OpenGL screensavers that were originally written for Windows to GLX. It is intended for use with an existing screensaver daemon like xscreensaver.