You can download demo versions of CyberRay for both Macintosh and Windows operating systems. The demo version is fully functional except that it cannot save certain kinds of files, and many of the more complex optical elements are disabled. The particle-in-cell model is also disabled.

CyberRay Demo for Windows XP

Download CyberRay 2.4.1 Demo

CyberRay Demo for Macintosh

Download CyberRay 2.4.1 Demo for OS X (Universal Binary, requires "Tiger")

Download CyberRay 2.4.0 Demo for OS X (PowerPC only)