Automatically exported from code.google.com/p/s2-geometry-library
See http://blog.christianperone.com/?p=2840&a=2 to have at least some idea about what this is supposed to do.
C++ CityGML parser for 3D applications
Automatically exported from code.google.com/p/pyopencv
Computational geometry and spatial indexing on the sphere
The public CGAL repository, see the README below
Automatically exported from code.google.com/p/quadra
A Library for Spherical Geometry
Automatically exported from code.google.com/p/sphinxsearch
Automatically exported from code.google.com/p/libkml
Automatically exported from code.google.com/p/sire