481. cl-gpx
     cl-gpx is a library to work with the GPX (the GPS Exchange Format) GPS XML file format
482. cl-graph
     CL-Graph is a set of Common Lisp utilities for manipulating graphs
483. cl-graphicsmagick
     cl-graphicsmagick is a set of lisp bindings for the GraphicsMagick graphics library
484. cl-graphviz
     cl-graphviz is a CFFI interface to graphviz with cl-graph integration
485. cl-grip
     cl-grip is a high-level logging system for Common Lisp, focusing on a clear user interface, support for flexible structured logging, and easy extensibility for different backends to support direct logging to various inputs
486. cl-grnm
     cl-grnm is an implementation of the Nelder-Mead and Grid Restrained Nelder-Mead nonlinear optimization algorithms
487. cl-groupby
     Short implementation of Scalas groupBy functionality for Common Lisp
488. cl-growl
     Growl is a notification system for Mac OS X
489. cl-gsl
     cl-gsl provides bindings to the GNU Scientific Library (GSL) of mathematics routines
490. cl-gtk
     Gilbert Baumann's GTK bindings for Common Lisp (for CMUCL, CLISP and Allegro CL)

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