Client Viewer Software
Panotools Java Applet
There is an Open Source java applet in the original [Panotools] distribution. It works in most java enabled browser, including those with the real JVM from Sun and those with the bad Microsoft implementation.
Can somebody post a javascript code to test for the JVM presence please?
Quicktime
No need to install software on the server side as far as I know. Can somebody post a javascript code to test for Quicktime presence please?
IPIX
expensive and not recommended!
Other software
Immervision sells a commercial 3D accelerated java applet with 3D sound, animation and other advanced features.