1401. graylex
      graylex offers a means to do string operations on input streams without slurping all input at once by using Common Lisp Gray Streams, fixed-sized and flexible buffers
1402. green-threads
      GREEN-THREADS is a portable library implementing green threads (lightweight, cooperatively multitasked, user threads) in Common Lisp
1403. Greg Pfeil
      http://blog.technomadic.org/
1404. Gregory Bird
      Gregory Bird is a Person
1405. group-by
      Group-by is a Common Lisp library to help group data into trees (of various formats) based on common/shared values
1406. GRT Raytracer
      GRT Raytracer is a Common Lisp ray-tracing system
1407. Gsharp
      Gsharp is a graphical, interactive score editing application for standard Music notation
1408. GSLL
      GNU Scientific Library for Lisp allows you to use the GNU Scientific Library (GSL) from Common Lisp
1409. Gsoc
      Google Summer of Code
1410. GSoC 2011 Parenscript project page
      Project ideas for the Parenscript GSoC 2011 mentoring organization

CLiki the common lisp wiki