1. pretty-function
    pretty-function provides an API for making individual functions pprint differently when written to an output stream
  2. Pretzil
    Pretzil is a Z-Machine (interactive fiction) emulator for McCLIM, which makes it a Game
  3. PrevaylerStorage
    The storage technique aimed primarily at object oriented environments, that challenges DBMS technology, making heavy use of RAM
  4. primecount
    Sublinear (in time and space) counting and summing of integer primes using optimized sieving method
  5. princ-ut-interval
    princ-ut-interval prints time durations in human readable format
  6. Privacy Statement
    In normal operation, CLiki and the webserver it runs on will collect information about the people browsing and contributing to it
  7. PRL
    The Proof (or Program) Refinement Logic program, led by Robert Constable of Cornell
  8. proc-parse
    Tools for parsing both strings and octet vectors efficiently
  9. profiler
    The goal of profiling is to find out the bottlenecks of the program, such as which function consumes the most time, which function is called most times etc
  10. programming language
    Other programming languages implemented in Common Lisp