• Boost.Geometry : convex hull, intersection (clipping), within (point in polygon), distance, envelope (bounding box), simplify, transform, and much more. supports high precision arithmetic numbers, such as ttmath. doc
• Boost.Polygon : the polygon set operations (intersection, union, difference, disjoint-union) and related algorithms such as polygon connectivity graph extraction, offsetting and map-overlay. doc
• CGAL : The Computational Geometry Algorithms Library.
• cg3lib : a GP library developed by the CG3HCI Group of the University of Cagliari.
• CinoLib : a generic programming header-only C++ library for processing polygonal and polyhedral meshes.
• DGtal : A library for digital geometry processing and analysis.
• Easy3D : A lightweight and easy-to-use 3D mesh processing library.
• Embree : a ray tracing library with GP modules including geometry objects, ray/point queries, collision detection, BVH, etc.
  • python bindings in Open3D and others.
• Euclid : A C++ library for computational geometry and mesh processing.
• Geogram : contains the main results in GP from the former ALICE Inria project.
• Geometric Tools : website
• Geometry Central : doc
• GEOS : Geometry Engine, Open Source. Computational geometry library with a focus on algorithms used in geographic information systems (GIS). website
• gproshan : using Compact Half–Edge (CHE) data structure.
• gptoolbox : A MATLAB toolbox for geometry processing tasks.
• gpytoolbox : A Python toolbox for geometry processing.
• Graphite : an experimental 3D modeler, built around geogram.
• GTS : GNU Triangulated Surface Library.
• GUDHI : Geometry Understanding in Higher Dimensions, a generic open source library for Topological Data Analysis (TDA).
• Hugues Hoppe's library : libraries and programs demonstrating mesh processing research published in ACM SIGGRAPH (1992-1998)
• Lagrange (Adobe) : A robust GP library. Doc.
• LibIGL : A simple C++ geometry processing library.
  • libigl-python-bindings
• Manifold : a geometry library dedicated to creating and operating on manifold triangle meshes.
• MatGeom : Matlab geometry toolbox for 2D/3D geometric computing.
• MeshLab : An open-source system for processing and editing 3D triangular meshes.
  • PyMeshLab
• MeshLib : A C++ library for mesh processing and analysis by MeshInspector.
• MeshPipe : a python-based tool for easy automation and demonstration of GP pipelines (Fons et al., 2020).
• MeshUtility : A Python library for mesh utility functions.
• MPI-IS Mesh : A Python library for mesh processing.
• Numerical Tours : includes some topics about mesh processing, mesh parameterization and deformation, and multiscale mesh processing. website
• Open3D : A modern library for 3D data processing.
• OpenGeode : doc
• OpenGP : deprecated.
• OpenMesh : Half-edge data structure for surface meshes.
• OpenSubdiv : An Open-Source subdivision surface library.
• OpenVDB : Sparse volume data structure and tools
• OpenVolumeMesh : a data structure for arbitrary polytopal meshes. Its concepts are closely related to OpenMesh.
• PMP Library : A C++ library for polygon mesh processing.
  • Its prior work: Sieger and Botsch, 2011.
• Point Cloud Library (PCL) : A standalone, large scale, open project for 2D/3D image and point cloud processing.
• Point Cloud Utils (pcu) : a utility library for 3D processing point clouds and triangle meshes.
• potpourri3d : mainly bindings to C++ tools from geometry-central.
• PyMesh(2) : A rapid prototyping platform for geometry processing research.
  • Issue with Windows
  • This is not PyMesh
• pyntcloud : making point clouds fun again
• PyVista : A Python package for 3D plotting and mesh analysis.
• Shapely : for manipulation and analysis of planar geometric objects.
• Thea : A C++ library for computer graphics and geometry processing.
• trimesh : documentation
• trimesh2 : different from the trimesh library above.
  • github fork
• TTK : The Topology ToolKit for efficient, generic, and easy topological data analysis and visualization.
• UltiMaille : allow representing: point set, polyline, triangles, quads, polygons, tetrahedra, hexahedra, wedges, pyramids.
• VCGLib : used by MeshLab.
• vedo : A python module for scientific analysis and visualization of 3d objects.
• VTK : The Visualization Toolkit (VTK) is open source software for manipulating and displaying scientific data. It comes with state-of-the-art tools for 3D rendering, a suite of widgets for 3D interaction, and extensive 2D plotting capability.

• starlab : A framework for developing geometry processing algorithms.
• OpenFlipper : An open source multi-purpose 3D software.
• polyscope : a 3D data viewer
• Some libraries in the general list above also include GUI or viewer.

• Gmsh : A three-dimensional finite element mesh generator with built-in pre- and post-processing facilities.
• jigsaw : an unstructured mesh generator and tessellation library; designed to generate high-quality triangulations and polyhedral decompositions of general planar, surface, and volumetric domains.
• MeshPy : Python interfaces to Triangle, TetGen, and gmsh.
• netgen : an automatic 3d tetrahedral mesh generator.
• Qhull : Convex hull, Delaunay triangulation, Voronoi diagrams, Halfspace intersection
• Quartet : A tetrahedral meshing algorithm.
• scipy.spatial : Delaunay triangulation, convex hulls, and Voronoi diagrams.
• TetGen : A quality tetrahedral mesh generator and a 3D Delaunay triangulator.
• Triangle : A two-dimensional quality mesh generator and Delaunay triangulator.
  • python binding
• Voro++ : 3D computations of the Voronoi tessellation.
• WildMeshing : A collection of tools for robust mesh generation.
  • TriWild TriWild: Robust Triangulation with Curve Constraints
  • fTetWild Fast Tetrahedral Meshing in the Wild
  • wildmeshing-python

• Carve
  • in PyMesh.
• CGAL:
  • Co-refinement for boolean operations in Polygon Mesh Processing library
  • 3D Boolean Operations on Nef Polyhedra.
• Clipper: clipping and offsetting 2D lines and polygons.
  • Clipper2 : a major update.
  • pyclipper
• Cork
• Geogram: tetrahedralize the meshes and compute the boolean operations between all tetrahedra. code.
• Interactive And Robust Mesh Booleans : This code is subject to continuous updates. Cherchi et al., 2022.
  • Fast And Robust Mesh Arrangements
• mcut
• MeshIntersection
• MeshLab
  • Before v2021.05: based on resampling, Marching intersections. A more efficient approach based on LDNI.
  • After v2021.07: based on libigl's implementation of Mesh arrangements for solid geometry.
• OpenSCAD : creating solid 3D CAD objects. using CGAL for CSG evaluation, OpenCSG for CSG previews.
• QuickCSG
  • project page, Douze et al., 2017.

Survey paper: Crane et al., 2020

• PDE-based
  • Heat method, Crane et al., 2013.
    • Many implementations are available.
  • Fast Marching
    • In gproshan (CHE data structure). MeshUtility (OpenMesh data structure) .
    • Kimmel and Sethian 1998, implemented in pmp-library.
• Window propagation
  • MMP: an exact method proposed by Mitchell-Mount-Papadimitriou 1987
    • Kirsanov's code
    • In UVAtlas.
  • CH: Chen and Han 1990
  • ICH (Improved CH): Xin and Wang 2009
  • VTP (Vertex-oriented Triangle Propagation)
    • Du et al., 2020: code
    • Qin et al., 2016: code
  • GSP (Geodesic Source Propagation). code in its supplemental material.
• Graph-based: SVG (Saddle Vertex Graph), DGG (Discrete Geodesic Graphs),
  • DGG-SVG

• Directional : creating, manipulating, and visualizing directional fields on 3D meshes, based on both libigl and Eigen.
• Instant Meshes : Interactive field-aligned mesh generator
• mmg : 2D and 3D surface and volume remeshing.
• ShapeOp : discrete geometry shaping with projections.
• Draco: : an open-source library for compressing and decompressing 3D geometric meshes and point clouds.
• Robust Geometric Predicates: adaptive precision floating-point arithmetic and fast robust predicates for computational geometry

• Polygon Mesh Processing: slides and code

• SGP Summer School Presentations: from 2016.
• Alec Jacobson's courses
• Geometric Computing with Python
• Discrete Differential Geometry by Keenan Crane
• Summer Geometry Initiative: by MIT

• alecjacobson/common-3d-test-models
  • more links inside
• Data for machine learning

• SGP Software/Dataset Award List
• Mesh Repairing Software on the Web
• Graphics Replicability Stamp Initiative
• awesome point cloud processing
• Directory of Computational Geometry Software

• https://github.com/tensorush/Awesome-3D-Programming
• https://github.com/luisnts/awesome-computer-graphics
• https://github.com/waitin2010/awesome-computer-graphics
• https://github.com/jslee02/awesome-graphics-libraries
• https://github.com/ericjang/awesome-graphics
• https://github.com/eug/awesome-opengl
• https://github.com/zheng95z/fun-with-computer-graphics
• https://web.engr.oregonstate.edu/~zhange/hotlist.html

• https://github.com/nschloe/awesome-scientific-computing
• https://github.com/eric-erki/awesome-gis/
• https://github.com/RoboDonut/awesome-spatial
• https://github.com/fepegar/awesome-medical-imaging
• https://github.com/ccamara/awesome-architecture