VizKit is a basic, open source sample visualizer plug-in for iTunes.
It is a cross-platform (Mac OS X/Windows) samplework.
The visualization is performed with OpenGL.
The main features are:

• Album cover artwork texture generation
• Unicode anti-aliased texture of the track title and lyrics
  including custom font loading
• Configuration dialog with about info
  and font menu
• Automatic notification on screen if update is available online

The distribution contains a project directory for Apple’s Xcode and a separate directory for Microsoft’s Visual Studio.

The source code files are shared across the projects.

Screenshots:

Mac OS X		Windows
Mac OS X		Windows

Version 2.3

The Making of VizKithttp://www.imagomat.de/vizkit/making.htm
Cookbook instructions and background information

Documentation of classes and methods

Changelog

This project has also been set up at sourceforge.