| 1. | The Kenzo Program | | | A computer program for computational algebraic topology. www-fourier.ujf-grenoble.fr |
| 2. | Geomview | | | Interactive 3D viewing program for Unix. Free under GPL. www.geomview.org |
| 3. | OPTi | | | orus groups. It interactively draws the isometric circles, the Ford region, and the limit set. vivaldi.ics.nara-wu.ac.jp |
| 5. | MING | | | Computes the MD energy of a polygonal knot. Available via ftp. www.math.uiowa.edu |
| 6. | SnapPea PC | | | SnapPea for Windows 95/98/NT by A.C. Manoharan. home.att.net |
| 8. | SnapPea | | | A program for creating and studying hyperbolic 3-manifolds. Free source available in C. www.geometrygames.org |
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