I used Kolibri while it was still in beta for the Proloquo2Go video tutorials. Kolibri is great for adding captions to videos for the deaf and hard of hearing population. The software is now available in the Mac App Store.
PO-MOtion is a no-frills, super easy to use interactive floor and wall projection software package.
PO-MOtion is:
Mac and PC compatible
Easy to set up
Designed to work with any USB web camera
PO-MOtion IR is:
Compatible with Windows XP or higher
Easy to set up
Designed to work with the X-Box Kinect sensor