2211. portable-clx
      portable-clx forms the basis for CLX packages in SBCL, OpenMCL, ECL and CMUCL
2212. Portable-Threads
      Portable-threads is the GBBopen project's portable-thread code all packaged up for ASDF-Install
2213. portableaserve
      Portable AllegroServe is a fork of the AllegroServe HTTP server, adapted to work with other CL implementations, not only with Allegro CL
2214. Portal
      Portal is a portable Common Lisp implementation of WebSockets using usocket
2215. portch
      Portch is a small framework for organizing and running tests written with ptester [the portable version of Franz's tester library]
2216. PorterStemmer
      The Porter Stemmer is a stemming text algorithm by Martin Porter
2217. POSE
      Portable S-expressions are a form of S-expressions designed as an interchange format
2218. positional-lambda
      positional-lambda is a concise, intuitive and flexible syntax (macro) for trivial lambdas that eschews explicit (and often contextually-redundant) naming of parameter variables in favor of positional references, with support for a used or ignored &rest parameter and automatic declaration of ignored parameters when logical "gaps" are left in the positional references
2219. posix-shm
      posix-shm provides Common Lisp bindings to the POSIX shared memory API
2220. postmodern
      Postmodern is an interface to PostgreSQL SQL databases

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