Its stand-alone, you buy the lens with the adaptor for your camera and you are set. One time shot and then take however pictures you want, and then display them on your website. i may have their contact information lying around if you want.
There are a few other around that I came across who charge per set of pictures (don’t remember their names off the top of my head).
Yes, it does come with software to set up the pictures and then some java applets to setup on your website. I used it back in like 2002-2003 so things might have changed a little since then.