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Liverpool University Knot Theory Group Programs and Procedures - http://www.liv.ac.uk/~su14/knotprogs.html
Four programs, each calculating some invariant from a closed braid presentation. Free to download. Pascal. |
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MING - http://www.math.uiowa.edu/~wu/min/ming.html
Computes the MD energy of a polygonal knot. Available via ftp. |
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SnapPea PC - http://home.att.net/~Manoharan/SnapPea/snappea.html
SnapPea for Windows 95/98/NT by A.C. Manoharan. |
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OPTi - http://vivaldi.ics.nara-wu.ac.jp/~wada/OPTi/
Macintosh freeware which visualizes quasi-conformal deformations of the once-punctured-torus groups. It interactively draws the isometric circles, the Ford region, and the limit set. |
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The Kenzo Program - http://www-fourier.ujf-grenoble.fr/~sergerar/Kenzo/
A computer program for computational algebraic topology. |