A modular geospatial engine written in JavaScript and TypeScript

The public CGAL repository, see the README below

RBush — a high-performance JavaScript R-tree-based 2D spatial index for points and rectangles

Computational geometry and spatial indexing on the sphere

An incredibly fast JavaScript library for Delaunay triangulation of 2D points

The fastest and smallest JavaScript polygon triangulation library for your WebGL apps

A very fast geospatial point clustering library for browsers and Node.

Resources on the topic of digital morphogenesis (creating form with code). Includes links to major articles, code repos, creative projects, books, software, and more.

The JTS Topology Suite is a Java library for creating and manipulating vector geometry.

Linear algebra, eigenvalues, FFT, Bessel, elliptic, orthogonal polys, geometry, NURBS, numerical quadrature, 3D transfinite interpolation, random numbers, Mersenne twister, probability distributions, optimisation, differential equations.

A very fast static spatial index for 2D points and rectangles in JavaScript 🌱

Must-read and classic books of computational geometry and computer graphics

Computational Geometry Unity library with implementations of intersection algorithms, triangulations like delaunay, voronoi diagrams, polygon clipping, bezier curves, ear clipping, convex hulls, mesh simplification, etc

Constrained Delaunay Triangulation (C++)

Qhull development for www.qhull.org -- Qhull 2020.2 (8.1-alpha1) at https://github.com/qhull/qhull/wiki

Martinez-Rueda polygon clipping algorithm, does boolean operation on polygons (multipolygons, polygons with holes etc): intersection, union, difference, xor

Object-oriented pure Python B-Spline and NURBS library

PicoGK is a compact and robust geometry kernel for Computational Engineering

A fast static index for 2D points

Heightmap meshing utility.

A really fast C++ library for Delaunay triangulation of 2D points

A new algorithm for retrieving topological skeleton as a set of polylines from binary images

⟨Grassmann-Clifford-Hodge⟩ differential geometric algebra

Boost.Geometry - Generic Geometry Library | Requires C++14 since Boost 1.75

Interactive, extendable street imagery map experiences in the browser, powered by WebGL

2D polyline library for offsetting, combining, etc.

A growing collection of interactive tutorials, demos, and quizzes about maths, algorithms, and programming.

A library for detecting and resolving intersections between two surface meshes.

A comprehensive open source computer algebra system for computations in algebra, geometry, and number theory.

A list of awesome open source projects Volodymyr Agafonkin is involved in.