Web Directory

» CompuTop Software Archive
   Computational low-dimensional topology collected by Nathan Dunfield.
   http://www.math.uiuc.edu/~nmd/computop/

» Geomview
   Interactive 3D viewing program for Unix. Free under GPL.
   http://www.geomview.org/

» Liverpool University Knot Theory Group Programs and Procedures
   Four programs, each calculating some invariant from a closed braid presentation. Free to download. Pascal.
   http://www.liv.ac.uk/~su14/knotprogs.html

» MING
   Computes the MD energy of a polygonal knot. Available via ftp.
   http://www.math.uiowa.edu/~wu/min/ming.html

» 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.
   http://vivaldi.ics.nara-wu.ac.jp/~wada/OPTi/

» SNAP
   Exact computation of hyperbolic 3-manifolds and their arithmetic invariants. Written by O. Goodman in an ARC-funded project of Hodgson and Neumann.
   http://www.ms.unimelb.edu.au/~snap

» Simplicial Homology
   A proposed GAP share package. May be tried online.
   http://www.eecis.udel.edu/~dumas/Homology/

» SnapPea
   A program for creating and studying hyperbolic 3-manifolds. Free source available in C.
   http://www.geometrygames.org/SnapPea/

» The Kenzo Program
   A computer program for computational algebraic topology.
   http://www-fourier.ujf-grenoble.fr/~sergerar/Kenzo/