1. Poplog
    Poplog is a multi-language programming system which includes its own Common Lisp implementation, as well as Standard ML, Prolog, and Pop-11
  2. port
    ASDF port of CLOCC PORT
  3. Portable CommonLoops
    Portable CommonLoops is a reference CLOS/MOP implementation originally developed by Xerox, deriving from the Loops Project
  4. Portable Exit
    A portability layer for ending the Lisp image
  5. Portable Hemlock
    "An attempt to free Hemlock from its CMUCL prison."
  6. portable-clx
    portable-clx forms the basis for CLX packages in SBCL, OpenMCL, ECL and CMUCL
  7. Portable-Threads
    Portable-threads is the GBBopen project's portable-thread code all packaged up for ASDF-Install
  8. portableaserve
    Portable AllegroServe is a fork of the AllegroServe HTTP server, adapted to work with other CL implementations, not only with Allegro CL
  9. Portal
    Portal is a portable Common Lisp implementation of WebSockets using usocket
  10. portch
    Portch is a small framework for organizing and running tests written with ptester [the portable version of Franz's tester library]