1401. green-threads
      GREEN-THREADS is a portable library implementing green threads (lightweight, cooperatively multitasked, user threads) in Common Lisp
1402. Greg Pfeil
      http://blog.technomadic.org/
1403. Gregory Bird
      Gregory Bird is a Person
1404. group-by
      Group-by is a Common Lisp library to help group data into trees (of various formats) based on common/shared values
1405. GRT Raytracer
      GRT Raytracer is a Common Lisp ray-tracing system
1406. Gsharp
      Gsharp is a graphical, interactive score editing application for standard Music notation
1407. GSLL
      GNU Scientific Library for Lisp allows you to use the GNU Scientific Library (GSL) from Common Lisp
1408. Gsoc
      Google Summer of Code
1409. GSoC 2011 Parenscript project page
      Project ideas for the Parenscript GSoC 2011 mentoring organization
1410. gtfl
      GTFL is a graphical terminal for Common Lisp

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