For historical completeness, we list here a number of systems that are no longer accessable.

• Balsa: See the Balsa page. Since it was first, it gets its own page even though we can't find it anymore.

• FLAIR

Ingargiola, G., Hoskin, N., Aiken, R., Dubey, R., Wilson, J., Papalaskari, M., Christensen, M., Webster, R. (1994) A Repository that Supports Teaching and Cooperation in the Introductory AI Course, Proceedings of the ACM SIGCSE Technical Symposium (1994).

• GAIGS (Generalized Algorithm Illustration through Graphical Software): Naps, carried on through Jhave

Naps, T.L. Algorithm Visualization in Comjuter Science Laboratories. Proceedings of the ACM SIGCSE Technical Symposium (1990) 105-110.

Naps, T. L., and Swander, B. An Object-Oriented Approach to Algorithm Visualization - Easy, Extensible, and Dynamic. Proceedings of the ACM SIGCSE Technical Symposium (1994) 46-50.

• Hal Vis

Steven R. Hansen, N. Hari Narayanan, and Dan Schrimpsher, Helping Learners Visualize and Comprehend Algorithms, http://imej.wfu.edu/articles/2000/1/02/index.asp

• JVALL: Primarily linked lists and derived linear structures

• Mocha

Baker, J. E., Cruz, I. F., Liotta, G., and Tamassia, R. The Mocha Algorithm Animation System. In Proceedings of the International Workshop on Advanced Visual Interfaces (1996), pp. 248-250.

• Zeus

Brown, M. H. Zeus: A System for Algorithm Animation and Multi-View Editing. Proceedings of the 1991 IEEE Workshop on Visual Languages, Kobe, Japan (Oct. 1991), 4-9.