641. cl-prevalence
     cl-prevalence is an implementation in Common Lisp of the Object Prevalence concept using both XML and s-expression based serialization
642. cl-proj
     cl-proj is a geospatial library that provides CFFI-based Common Lisp bindings for the Proj.4 geographic projections library
643. cl-protobufs
     CL-PROTOBUFS is a library to use Google Protocol Buffers in Common Lisp, originally written by Scott McKay at ITA by Google
644. cl-pubmed
     cl-pubmed is an interface to the PubMed medical literature Database
645. cl-qprint
     cl-qprint is a library for encoding to and decoding the quoted-printable (MIME) data format
646. cl-quickcheck
     cl-quickcheck is a test framework for property-based testing
647. cl-randist
     This package is a manual translation from C to common lisp of some random number generation functions of GSL library
648. cl-random
     [unmaintained, maintainers welcome] A library for uni- and multivariate probability distributions and statistics functions
649. cl-raylib
     Common Lisp binding of raylib
650. cl-raytracer
     A bare-bones ray tracer written in Common Lisp

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