| Topology and Geometry Software: A collection of educational, graphical and research software by Jeff Weeks. |
| Additions to SnapPea: With related tables, by Nathan Dunfield. |
| CompuTop Software Archive: Computational low-dimensional topology collected by Nathan Dunfield. |
| Geomview: Interactive 3D viewing program for Unix. Free under GPL. |
| Liverpool University Knot Theory Group Programs and Procedures: Four programs, each calculating some invariant from a closed braid presentation. Free to download. Pascal. |
| MING: Computes the MD energy of a polygonal knot. Available via ftp. |
| 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. |
| Simplicial Homology: A proposed GAP share package. May be tried online. |
| SNAP: Exact computation of hyperbolic 3-manifolds and their arithmetic invariants. Written by O. Goodman in an ARC-funded project of Hodgson and Neumann. |
| SnapPea: A program for creating and studying hyperbolic 3-manifolds. Free source available in C. |
| SnapPea PC: SnapPea for Windows 95/98/NT by A.C. Manoharan. |
| The Kenzo Program: A computer program for computational algebraic topology. |