Andrew Hershberger
![](https://secure.gravatar.com/avatar/a71f154764f9a81b53c944fc529f0e8d.png?d=retro&r=PG&s=240)
4pods
GEOS (Geometry Engine - Open Source) is a C++ port of the Java Topology Suite (JTS).
License: GPL-2.0
Easily handle a geographical object model (points, linestrings, polygons etc.) and related topographical operations (intersections, overlapping etc.). A type-safe, MIT-licensed Swift interface to the OSGeo's GEOS library routines, nicely integrated with MapKit and Quicklook.
License: MIT