What are some alternatives?
Studio In A Box - A complete interactive video studio in a box
Showbox - Showbox helps you to create studio quality video in minutes.
Zaption - Turn online videos into interactive learning experiences
Animaker - Animaker is an online do-it-yourself (#DIY) animation video maker that brings studio quality presentations within everyone's reach. Animated Videos, Done Right!
Berghaintrainer.com - An interactive video website with speech and face analysis
WIREWAX - Create powerful interactive videos, in your browser