1. OCR
    OCR stands for Optical Character Recognition
  2. Online Tutorial
    Online Tutorials for programming Common Lisp or with Common Lisp
  3. OpenMCL
    OpenMCL is called Clozure Common Lisp (CCL) now
  4. ORM
    ORM (Object-Relational Mapping) is a way to persist CLOS objects in relational (SQL) databases
  5. parser generator
    Parser generators can be an alternative to writing recursive-descent parsers by hand
  6. pattern matching
    Libraries adding data-structure pattern matching operations to Common Lisp
  7. pcl
    see Practical Common Lisp, or Portable CommonLoops
  8. persistence
    B-Tries - A prototypical implementation of the data structure described in the paper "B-tries for disk-based string management" (PDF) CLDB - A fast, atomic, consistent, isolated memory based database in Common Lisp Common Lisp Persistency Manager - A software package for serialization of Common Lisp data structures, much like Python's pickle facility CommonLispPrevalence - A way to let your lisp environment be your Database Elephant - [unmaintained] A portable object database based on Sleepycat (Berkeley DB) or relational databases journal - A library for logging, tracing, testing and persistence LMDB - CFFI bindings to LMDB manardb - Fast, persistent, mmap'd Lisp object store NFiles - A library that deals with customizable path resolution, file persistence and loading PLOB! - PLOB! (Persistent Lisp OBjects!) is an Object Database, implementing orthogonal persistency for LISP and CLOS objects PrevaylerStorage - The storage technique aimed primarily at object oriented environments, that challenges DBMS technology, making heavy use of RAM stassats-storage - stassats-storage is a CLOS ObjectStore
  9. Person
    For the purposes of CLiki, a Person is an intelligent lifeform
  10. posix-shm
    posix-shm provides Common Lisp bindings to the POSIX shared memory API