Watch & Touch is aimed to be a complete, free & open source, multi-platform, interactive whiteboard system which supports multi-touch gestures, complemented by an in-classroom collaborative working client to increase student participation in classroom activities.
Developed as a graduation project at METU CENG (www.ceng.metu.edu.tr) by a team of four students, it supports:
See https://www.youtube.com/watch?v=lUnbwF9WqH4 for a short demo of the features.