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@3-manifolds

T3M

Software tools for studying 3-manifolds

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  1. SnapPy SnapPy Public

    SnapPy is a package for studying the topology and geometry of 3-manifolds, with a focus on hyperbolic structures. It is based on the SnapPea kernel written by Jeff Weeks.

    C 124 45

  2. Spherogram Spherogram Public

    Spherogram is a Python module for dealing with the kind of planar diagrams that arise in 3-dimensional topology, such as link and Heegaard diagrams. It a component of the larger SnapPy project.

    Python 29 13

  3. PLink PLink Public

    Plink is used to draw link projections and create data structures which describe the projections.

    Python 11 7

Repositories

Showing 10 of 43 repositories
  • SnapPy Public

    SnapPy is a package for studying the topology and geometry of 3-manifolds, with a focus on hyperbolic structures. It is based on the SnapPea kernel written by Jeff Weeks.

    3-manifolds/SnapPy's past year of commit activity
    C 124 45 13 4 Updated Oct 26, 2026
  • CyPari Public

    CyPari is a Python3 extension module for Windows, macOS and linux. The user interface, and most of the underlying code, is the same for CyPari as for Sage's cypari2 module, but CyPari is completely self-contained.

    3-manifolds/CyPari's past year of commit activity
    Cython 9 GPL-2.0 7 2 1 Updated Oct 22, 2026
  • Spherogram Public

    Spherogram is a Python module for dealing with the kind of planar diagrams that arise in 3-dimensional topology, such as link and Heegaard diagrams. It a component of the larger SnapPy project.

    3-manifolds/Spherogram's past year of commit activity
    Python 29 13 3 3 Updated Oct 13, 2026
  • Sage_macOS Public

    SageMath as a macOS application bundle.

    3-manifolds/Sage_macOS's past year of commit activity
    Python 242 18 5 1 Updated Oct 7, 2026
  • FXrays Public

    The FXrays module computes extremal rays of polyhedral cones. SnapPy uses this to compute normal surfaces.

    3-manifolds/FXrays's past year of commit activity
    C 3 2 0 0 Updated Sep 30, 2026
  • low_index Public

    An implementation of Sims' Low Index Subgroup algorithm.

    3-manifolds/low_index's past year of commit activity
    C++ 3 3 0 0 Updated Jun 12, 2026
  • sage_appimage Public

    An AppImage for running SageMath on linux.

    3-manifolds/sage_appimage's past year of commit activity
    Python 8 0 2 0 Updated May 23, 2026
  • snappy_manifolds Public

    The SnapPy manifold database.

    3-manifolds/snappy_manifolds's past year of commit activity
    Python 4 4 0 0 Updated Apr 14, 2026
  • heegaard3 Public
    3-manifolds/heegaard3's past year of commit activity
    C 2 0 0 0 Updated Mar 11, 2026
  • snappy_site Public

    Source for snappy.computop.org

    3-manifolds/snappy_site's past year of commit activity
    Python 0 GPL-3.0 0 0 0 Updated Mar 6, 2026
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