You can see some screenshots of the software here:
http://www.dancestudiomanager.com/screenshots.php
And you can sign up for a free trial here:
http://www.dancestudiomanager.com/subscribe.php

In short, this software is for running a ballroom dance studio, but we are almost finished with a version that will also run a ballet studio or gymnastics studio, and will begin marketing it by the end of the year.

http://www.dancestudiomanager.com/