fingerpinger Provides multitouch data from the MacBook trackpad, Magic Mouse and Magic Trackpad - up to an impressive 11 fingers... Fingerpinger can track up to 11 fingers on the trackpad of recent Apple MacBook and MacBook Pro (Intel only), a well as the Magic Mouse and the Magic Trackpad. It provides the following realtime data (every 8ms) for every finger touching the trackpad: Finger index, Frame number, Angle, Major and minor axis of ellipsoid, Position, Velocity (x,y), Identifier, State, Size

Format : External Environment : max freeware Max 5.x / 4.6 http://www.anyma.ch/2009/research/multitouch-external-for-maxmsp/