FPS (Frames Per Second), video capture, and screen capture for DirectX and OpenGL applications.

3D desktop replacement for Microsoft Windows XP

A tool for debugging the OpenGL shader pipeline, supporting GLSL vertex, fragment, and geometry shaders. Includes screenshots, documentation and downloads.

Commercial OpenGL debugger

A tool for debugging applications that use OpenGL.

Provides a webtool which analyses your graphics device and displays OpenGL related data like OpenGL extensions directly in your webbrowser. Automatically runs a Java applet; requires Java with JOGL classes to run.