Gael
Curry: Programming by Abstract
Demonstration -- UW, 1977.
Stagecast
Creator: A simulation environment
using programming by demonstration
and rule-based simulation. (based on Cocoa & KidSim). Avail. at
www.stagecast.com.
ToonTalk: A robot programming environment supporting concurrent computation and complex control
structures via a visual
programming-by-demonstration method. (developed
by Ken Kahn, available at www.toontalk.com).