| Amenta's Directory of Computational Geometry Software: Lot of categories and links. |
| CGAL - Computational Geometry Algorithms Library: A collaborative effort to develop a robust, easy to use, and efficient C++ software library of geometric data structures and algorithms. |
| CM2 Mesh Tools: Professional C++ mesh generators. Includes product information and news releases. |
| Computational Geometry Code: Jeff Erickson's links to freely available implementations of geometric algorithms and software. |
| Delaunay Triangulation Code: J-D. Boissonnat et al.'s code for Delaunay meshing in 2 and 3 dimensions in C++. |
| Edgebreaker 3D Compression for Triangle Meshes: Source code, explanations, file formats, and examples of the Edgebreaker compression and decompression techniques. |
| Fast Industrial-Strength Triangulation: By Martin Held. Copes with polygons with holes and degeneracies/self-intersections; based on repeatedly clipping ears. Source code on request. |
| Fast Robust Predicates for Computational Geometry: C code for orientation and incircle tests using adaptive-precision floating-point arithmetic |
| FastGEO Computational Geometry Library: FastGEO, A computational geometry library written in the object pascal language. |
| Gmsh: Gmsh is a three-dimensional finite element mesh generator, primarily Delaunay, with built-in pre- and post-processing facilities. Gmsh is freely available for Windows and most UNIX platforms. |
| GTS - The GNU Triangulated Surface Library: Open-source library for manipulating 3D triangular surface meshes. Delaunay triangulations, robust geometric predicates, robust boolean set operations on surfaces, surface refinement and coarsening, level-of-detail, k-d trees, volume and curvature, strips generation. |
| HULL: Ken ClarkSon's convex hulls, Delaunay triangulations, alpha shapes calculator in C |
| JeoEdit: Two Java applets for editing polygons and point sets for input to computational geometry software. |
| Knotenpunkt: Produces commercial software that creates a surface model out of a pointcloud or polymesh [Balingen, Germany]. |
| Knotplot: A program for exploring topological knots and knot-like objects in a 3-D rendered environment offering stills, animated knots (including dynamic forces) and demos. Aimed at mathematician and artist alike. |
| Mg R-tree Library: A simple C++ R-tree implementation with Segment Incidences Detector as an application. |
| Polygon Boolean operations on sets of polygons: GDSII viewer + Algorithms for 2d polygon boolean operations, C++ source code |
| Polyhedral FAQ: Frequently Asked Questions in Polyhedral Computation. |
| Polymake: A tool for the algorithmic treatment of polytopes and polyhedra. |
| Qhull: Computes convex hulls, Delaunay triangulations, Voronoi diagrams, half-space intersections about a point, furthest-site Delaunay triangulations, and furthest-site Voronoi diagrams. It runs in 2-d, 3-d, 4-d, and higher dimensions. |
| QMG project: Mesh generation in 2D and 3D on Unix and NT, and related software by Steven Vavasis. |
| Reviver Homepage: A Free Surface Reconstructor which turns unorganised point clouds to surfaces. Variety of Output Formats. (Surface Reconstruction Software) |
| Smallest Enclosing Ball of Points: Fast and robust C++ code available under GNU license. Handles arbitrary dimensions, and has high numerical stability. |
| Stony Brook Algorithm Repository - Section on Computational Geometry: Summary of major CG problems and implementations of their solutions |
| Surface Evolver: Free interactive program for modelling liquid surfaces shaped by various forces and constraints, e.g., minimal surfaces (bubbles). Applies gradient descent to minimize energy. Available for most platforms. |
| Surface Reconstruction Algorithms Page: Links to Surface Reconstruction software, papers, people. |
| Triangle: Jonathan Richard Shewchuk's Two-Dimensional Quality Mesh Generator and Delaunay Triangulator. |
Classical
