Open3D: A Modern Library for 3D Data Processing

The public CGAL repository, see the README below

Mesh optimization library that makes meshes smaller and faster to render

The open source mesh processing system

3D plotting and mesh analysis through a streamlined interface for the Visualization Toolkit (VTK)

The Polygon Mesh Processing Library

Reconstruct Watertight Meshes from Point Clouds [SIGGRAPH 2020]

A command line tool to transform a DICOM volume into a 3d surface mesh (obj, stl or ply). Several mesh processing routines can be enabled, such as mesh reduction, smoothing or cleaning. Works on Linux, OSX and Windows.

Online video stabilization using a novel MeshFlow motion model

Automated anatomical brain label/shape analysis software (+ website)

Geometric data structures and algorithms for computational design tasks

Unity Plane Mesh Splitter

Python Wrapper for MeshFix: easily repair holes in PyVista surface meshes

GLScene is a graphic engine based on OpenGL and VCL components for Delphi and C++ Builder.

Modified version of non-rigid Iterative closest point algorithm for fitting to noisy point clouds

3D polygonal mesh renderer with dynamic level-of-detail (LOD).

Double bubbles sans toil and trouble: discrete circulation-preserving vortex sheets for soap films and foams

Python implementation of surface mesh resampling algorithm ACVD

Implementation and results of "A Constrained Resampling Strategy for Mesh Improvement"

C++ Shape Analysis and Geometry Processing

Self-collision detection for triangles meshes (C++, libigl, eigen)

A fast Python Quantized Mesh encoder

Fast native STL viewer

Meshing Point Clouds with Predicted Intrinsic-Extrinsic Ratio Guidance (ECCV2020)

A collection of common mesh subdivision algorithms

Hydrodynamic coefficients viewer and converter for Boundary Element Method solver formats

Mesh-Mesh and Triangle-Triangle Intersection tests based on the algorithm by Tomas Akenine-Möller

Exact calculation of the overlap volume and area of spheres and mesh elements

Marching Cubes & Mesh Simplification on multi-label 3D images.