Other groups and projects that we have found doing related research:
Laboratory for Interactive Learning Technologies @ University of Hawai`i : Chris Hundhausen
Algorithm Animation @ Georgia Tech : John Stasko
XML-based Tools for Algorithm Visualization @ ITiCSE 2005 Working Group : Tom Naps and Guido Rößling
JHAVE @ University of Wisconsin, Oshkosh : Tom Naps
JFLAP @ Duke University : Susan Rodger
jGRASP @ Auburn university : James Cross II
Software Visualization Group @ Helsinki University of Technology : Ari Korhonen, Lauri Malmi, Jorma Tarhio
ANIMAL @ Darmstadt University of Technology : Guido Rößling
hypertextbooks @ Montana State University : Rocky Ross
Web Based Visualization (1997 workshop on visualizations)
Algorithm Visualization Research Group @ Virginia Tech : Cliff Shaffer (That's us!)