cl-proj
cl-proj is a geospatial library that provides CFFI-based Common Lisp bindings for the Proj.4 geographic projections library.

Current version provides low-level bindings. Future versions might provide a higher-level wrapper around native functions and data structures.

ASDF-install package (obsolete) http://sourceforge.net/projects/cl-proj/files/cl-proj-4.7.1.tar.gz/download