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

S2 geometry library in Go

A library provides spatial data and geometric algorithms

Matlab geometry toolbox for 2D/3D geometric computing

Java implementation of BSP based CSG (Constructive Solid Geometry)

PHP Geometry Library provides utility functions for the computation of geometric data on the surface of the Earth. Code ported from Google Maps Android API.

jvm glm

GeoGeometry is a set of algorithms and functions for manipulating geo hashes and geometric shapes with geo coordinates.

A geometry library written in Python

Draw a tube or thick line in SceneKit

A basic geometry C++ library for 2D and 3D applications

weighted straight skeleton java implementation

This is a Geometrical library for Go Language. Which includes multiple Geometrical calculations like Circle, Lines etc in different forms

port of MapBox's earcut triangulation code to Rust language

Geometric primitives for Ruby

MyGAL is a computational geometry algorithms library

A 2d geometry library for ocaml

CPP Geometry Library provides utility functions for the computation of geometric data on the surface of the Earth.

A python VOLume MoDeLeR computations-oriented with STEP support for import/export

This is a C++ math library, with a focus on geometry.