631. cl-plplot
     cl-plplot provides a CFFI based interface to the open source scientific plotting library PLplot
632. CL-PLUS-SSL
     This library is a fork of SSL-CMUCL
633. CL-PNG
     CL-PNG reads and writes PNG (Portable Network Graphics) image files
634. cl-pop
     CL-POP is a lisp networking library that provides a POP email client based on RFC 1939
635. cl-portaudio
     CL-PortAudio is an audio package for interfacing with the PortAudio library
636. cl-posix-dirent
     Common-Lisp-POSIX API - SUSv3 - dirent
637. cl-posix-dirent-susv3-lisp
     cl-posix-dirent
638. cl-posix-generalities
     Generalities about the Common-Lisp-POSIX API
639. cl-posix-header-list
     
640. cl-ppcre
     A portable, Perl-compatible regular expression library by Edi Weitz

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