Library

Library packages designed to be linked into other applications.

'Current recommended libraries' exist, though it's not obvious who's recommending them.

There's a separate list on the Graphics library page.

It'd be nice in lists like these if the "cl-" part was ignored for alphabetization.

array-operations - Array-operations (which could be called a Mathematics Library with a bit of a stretch) provides commonly used operations on (possibly multidimensional) arrays
asdf-addons - asdf-addons is asdf-extension maintained by Marko Kocic which aim is to provide some usefull asdf addons and eventually become a library
asdf-dependency-grovel - asdf-dependency-grovel makes it possible to generate components with dependencies from serial asdf system definitions
asdf-world - Small ASDF-Extension that aims to provide version controllable registries ("worlds")
avl-tree - AVL (Adelson-Velsky-Landis) Tree is a self-balancing binary search tree implementation in Common Lisp
base64 - base64 implements the Base64 transfer encoding algorithm as
Binary-types - Binary-types is a Library for accessing binary files with fixed bit-length code-words
BORDEAUX-MP - Bordeaux-MP has been superseded by Bordeaux-Threads
Bordeaux-Threads - Portable shared-state concurrency for Common Lisp
c2ffi - C2ffi is a new attempt at making FFI declarations easier
Categorized Libraries - This page is hand-created to present Common Lisp libraries in a more eye-friendly manner
CFFI-Grovel - Cffi-grovel automates parts of FFI writing, in much the same way sb-grovel? does
cffi-net - Cffi-net provides a portable interface to sockets functionality
cffi-unix - Cffi-unix provides a portable interface to Unix functionality, with a focus on networking
cgn - cgn is a plotting Library to interface gnuplot
ch-image - ch-image is a lisp package for dealing with images, including image I/O, some simple drawing primitives, text rendering via FFI to freetype, and image manipulation such as discrete convolution and affine transformation
chemical-compounds - Sometimes you want to be able to parse chemical formulas in a
chipz - Chipz is a Decompression? Library for decompressing DEFLATE data, defined in RFC1951
Chunga - Chunga is a web library which implements portable chunked streams as described in RFC 2616
CL Enumerations - The CL-ENUMERATIONS package is essentially a CL specification of the equivalent Java java
CL SBML - CL-SBML is a CL library implementing an import/export API of the Systems Biology relevant SBML XML exchange format
CL Unification - CL Unification is a Library for unification of arbitrary Lisp objects, written by Marco Antoniotti
cl-alsa - CL-ALSA is a library for interfacing with the Alsa sound? system
cl-applescript - cl-applescript provides an easy-to-use API for making AppleScript calls from Common Lisp and translating AppleScript's output to Common Lisp structures
cl-arcball - This is an arcball implementation made for use with common lisp and opengl
cl-audioscrobbler - cl-audioscrobbler is a Common Lisp wrapper to the Audioscrobbler/Last
cl-base64 - cl-base64 is a development library that provides base64 encoding
CL-BibTeX - CL-BibTeX is a replacement for the BibTeX program, written by Matthias Koeppe
cl-cairo - CL-CAIRO is a library enabling CL implementations to use the Cairo graphics library
cl-cracklib - cl-cracklib is a Library that uses UFFI and interfaces with cracklib's
cl-curl - Cl-curl (website) is a networking Library
cl-def - cl-def is a definer macro similar to DEFINER but focusing on much better user extendability
cl-delicious - cl-delicious is a Web library implementing a Common Lisp interface to the del
CL-DIFFLIB - CL-DIFFLIB is a Lisp library for computing differences between sequences
cl-digg - cl-digg is a Common Lisp wrapper to the Digg APIs
cl-dot - CL-DOT is a small library for easily generating dot (a program in the
cl-dwim - cl-dwim is something like what people call an application server when it comes in other languages
CL-EMB - CL-EMB is a library to embed Common Lisp and special template tags in text files
cl-en - cl-en provides a common lisp interface to the echonest music analysis web API
cl-event - cl-event is a wrapper around libevent which is a network? library that enables the use of /dev/poll, kqueue(2), select(2), poll(2) and epoll(4) with a common interface
CL-FAD - CL-FAD is a portable pathname library based on code from Peter Seibel's book Practical Common Lisp
cl-fish - The CL-fish Library is a foreign-function interface (FFI) between ACL and the Blowfish encryption/decryption functions contained in the OpenSSL cryptographic package
CL-FTP - CL-FTP is a Networking Library that provides FTP client protocol support to Common Lisp programs
cl-gd - CL-GD is a library enabling CL implementations to use the GD graphics library via UFFI
cl-geonames - cl-geonames is a Common Lisp wrapper to the Geonames Web Services APIs
cl-gsl - Homepage were it says:
CL-HTML-DIFF - CL-HTML-DIFF is a tiny little Lisp library for generating a human-readable diff of two HTML documents, using HTML
cl-i18n - cl-i18n is a GNU gettext-style internationalization framework (library) written by Leslie P
cl-icu - cl-icu is a common lisp interface to the ICU library
cl-interpol - CL-INTERPOL modifies the reader so that you can have interpolation of strings similar to Perl or Unix Shell scripts
cl-irc - cl-irc is an IRC networking library written in Common Lisp
cl-irregsexp -
CL-ISBN - CL-ISBN is a library for parsing, validating, and hyphenating International Standard Book Numbers (ISBNs)
cl-jointgen - The CL-JOINTGEN Library provides a Common Lisp implementation of the
cl-l10n -
CL-Librarian - CL-Librarian aims to be a manager for Common Lisp libraries that is focused on libraries updated dynamically by version control systems and targetted at power users
cl-libsvm - Common Lisp wrapper for the libsvm support vector machine AI library
cl-madhl - CL-MADHL is a library for interfacing with the MAD mp3 decoder
cl-match - extended ML-style pattern matching library
CL-MediaWiki - CL-MediaWiki is a wrapper in Common Lisp around the media wiki remote api
cl-menusystem - cl-menusystem is a Library for making pretty menus for controlling an application and editing the multitude of special variables which invariably exist to control an app's settings
CL-MIME - CL-MIME is a Library for constructing and manipulating MIME objects in Common Lisp
CL-MPD - The CL-MPD Library defines an interface between Common Lisp and the Music Player Daemon
cl-muproc - CL-MUPROC is "a Common Lisp library which strives to offer some of the multiprocessing abstractions found in the Erlang? programming language"
cl-namegen - The cl-namegen library is a small one-file-wonder thing for reading wordlists and producing similar words
CL-ObjC - CL-OBJC is a portable common-lisp/objective-c bridge written using CFFI
cl-octave - cl-octave is an asdf-installable library for interfacing Common Lisp with the Octave language
cl-ode - CL-ODE is a CFFI interface to the Open Dynamics Engine Library
cl-package-aliases - cl-package-aliases is a small Library that extends the standard CL package system with the ability to define package-local aliases (nicknames) to other packages in a transparent way
cl-pdb - cl-pdb is a library for parsing Palm
CL-PDF - CL-PDF is a cross-platform Common Lisp Library for generating PDF files
cl-peg - Cl-peg is a PEG packrat parser generator Library by John Leuner
cl-perec - cl-perec is a Database interface Library which provides RDBMS/SQL based CLOS persistency, AKA an ORM (Object Relational Mapper)
cl-period - cl-period allows one to express and check time periods in a terse but readable way
cl-photo - cl-photo is a library of calculators for photographic functions
cl-plplot - cl-plplot provides a CFFI based interface to the open source scientific plotting library PLplot
CL-PPCRE - CL-PPCRE is a portable, Perl-compatible regular expression library by Edi Weitz
cl-qprint - CL-QPrint is a Library for encoding to and decoding from strings in quoted-printable format
cl-rdbms - cl-rdbms is a Database interface Library which provides RDBMS/SQL access
CL-READLINE - A simple UFFI binding to GNU Readline library - now superceded by Linedit
cl-rsvg - cl-rsvg is a library enabling CL implementations to use the librsvg graphics library to import SVG graphics
CL-S3 - CL-S3 is a Common Lisp library that implements a client interface to the Amazon S3 Web Service?
cl-sasl - cl-sasl is a networking library implementing the client side of the SASL protocol
CL-Sendmail - CL-Sendmail is a Networking Library for sending email
cl-serializer - cl-serializer is a Library to write a graph of objects into a byte stream or vector
cl-smbclient - cl-smbclient is a foreign function interface between CMUCL and libsmbclient
CL-SMTP - CL-SMTP is a simple lisp Networking Library that provides SMTP client protocol
cl-store - cl-store is an asdf-installable portable library for serializing and deserializing Common Lisp objects to and from streams
cl-svg - This graphics library offers a somewhat friendlier way to produce SVG files than hand-rolling XML
cl-syslog - cl-syslog is a Common Lisp library that provides access to the syslog logging facility under Unix
CL-TCLink - A library of Common Lisp bindings to the TrustCommerce transaction authorization system
cl-unicode - CL-UNICODE is a library which provides Common Lisp implementations with knowledge about Unicode characters including their name, their general category, the scripts and blocks they belong to, their numerical value, and several other properties
cl-unification -
cl-utilities - A library of semi-standard utilities
cl-wbxml - CL-WBXML is a library which can read and write WAP Binary XML
CL-WHO - CL-WHO is yet another specimen of the Lisp Markup Languages category, that is, it's a Web library to create (X)HTML from S-expressions
CL-XML - CL-XML is a parser library for XML
cl-xmlspam - XML Stream PAttern Matcher - concise, regexp-like pattern matching on streaming XML
cl-xmpp - cl-xmpp is a networking library and protocol client implementation of RFCs 3920 and 3921 which can be thought of as the basis of any Jabber-compliant client
CL-Yacc - CL-Yacc is a LALR(1) parser generator library for Common Lisp, somewhat like Zebu or LALR
cl-yahoo - CL-YAHOO is a Common Lisp interface to the Yahoo! API, a networking api which enables searching the web through yahoo
cl-youtube - cl-youtube is a Common Lisp wrapper to the YouTube API
CL-ZEROCONF - CL-ZEROCONF is a networking library for Lisp that handles Zeroconf service discovery (popularized by Apple's implementation, originally called Rendezvous and renamed to Bonjour for OS X 10
cl-zlib - The CL-ZLIB Compression Library defines an interface between Common Lisp and the zlib data compression library
CLAIM - CLAIM is a Common Lisp AOL Instant Messenger (AIM) client interface library
clc-build-daemon - clc-build-daemon is the common-lisp-controller version 3 library recompilation and removal agent
clickr - Clickr is a high-level binding library of the Flickr API for Common
CLIO - Common Lisp Interactive Objects (CLIO) is a set of CLOS classes that represent the standard components of an object-oriented user interface --- such as text, menus, buttons, scroller, and dialogs
clisp-sqlite - clisp-sqlite is a simple interface to the sqlite library written by Scott Williams
cljl - CLJL stands for Common Lisp JPEG Library
CLNUPlot - CLNUPlot connects Common Lisp to GNUPlot
Clon - Clon is a task scheduler library much like cron for lisp that is implemented as a shallow layer on top of SBCL timers
CLSQL - CLSQL is a Database interface Library for Common Lisp that can access a number of different SQL database engines
CLUE - The Common Lisp User Interface Environment (CLUE) is a portable Graphics toolkit Library for user interface programming in Common Lisp
Common String - Being Russian, I'm concerned with non-ASCII characters and their support in Lisp implementations
common-idioms - common-idioms is a library of functions and macros that Brian Mastenbrook uses frequently during his development
comparisons - Comparison is a simple library adding comparison functions similar to EQUAL and EQUALP, which handle multiple types gracefully
computed-class - A class metaobject for computed slot values and more
conduit-packages - An asdf-installable portable library providing some enhancements to Common Lisp's package system
Conduits - Conduits is a Library for manipulating packages
cparse - cparse is a Library and parser for C header files and building FFIs
CRC-32 - A library to compute the CRC-32 algorithm that is described in RFC 1952
csp - CSP (``communicating sequential processes'') support for Lisp
Curl - Curl
Current recommended libraries - Some people somewhere believe that the libraries on this page are considered "good enough for government use", and serve as a starting point when looking for a library covering a given field
Date-Calc - Date-Calc aims to be a port of the Perl Date::Calc library for the mainly used functions
defclass* - defclass*, alias defclass-star
DEFINER - DEFINER is a small hack which demonstrates the power of CL macro facilities
demacs - Demacs is an extensible Common Lisp utility? software to ease the
diff - DIFF is a simple asdf-installable Text Library which can compute unified-style or context-style diffs between two files
Drakma - Drakma is a fully-featured Common Lisp web client library that knows how to handle HTTP/1
ecl-readline - A simple binding to GNU Readline library for ECL (Embeddable Common-Lisp) providing command line editing, history file and history size configuration
Editor Hints - The Editor Hints system is intended to provide a number of facilities to provide hints in lisp code that can be consulted by editor interfaces to determine how to indent, etc
EGADDS - EGADDS is a graphics library for reading data from Microsoft DDS files
Etiquette - Etiquette is a networking library and protocol construction framework
fare-matcher - fare-matcher extends CL with ML-like pattern matching in an extensible way
Fetter - Also known as Verrazano, Fetter can be found at its homepage
ffi - FFI is short for Foreign Function Interface, which is useful for linking to an arbitrary C library from Lisp code
Flexi-streams - FLEXI-STREAMS is a library which implements "virtual" bivalent streams that can be layered atop real binary/bivalent streams
Flexichain - A Library needed by Climacs and Gsharp
floyd-warshall - floyd-warshall is a (very) preliminary Library for Floyd-Warshall all-pairs shortest-path computations on weighted directed Graph?s, written by Robert Goldman
FSet - FSet is a functional set-theoretic collections library
FSVD - FSVD is a Common Lisp implementation of Simon Funk's quasi svd
Gambol - Gambol is an AI library providing basic prolog-like functionality for Common Lisp
GECO - GECO is a CLOS-based Library for writing Genetic Algorithms
gecol - gecol is a library which provides bindings to gecode in order to enjoy constraint programming in Lisp
Geiriadur - Geiriadur is an application and maybe library for dictionary creation, management and use
genhash - NET
getopt - getopt is a library for processing command-line arguments
graphics library - Common Lisp graphics libraries
GSLL - The GNU Scientific Library for Lisp (GSLL) allows you to use
Heresy - Heresy is a library of utilities for lazy and functional programming in Common Lisp
html-encode - html-encode is a small Library for encoding text in various web-savvy formats
HTML-TEMPLATE - HTML-TEMPLATE is a Library to use templates much like Perl's HTML::Template
iconv - iconv is a iconv(man 3 iconv) Library
irc-logger - irc-logger is a IRC networking library written by Kevin Rosenberg which uses the cl-irc library to provide multichannel Internet Relay Chat (IRC) logging
iterate - iterate is a lispy and extensible replacement for the LOOP macro
jpeg - jpeg
jsgen - JSGEN is an extension to AllegroServe that allows one to write JavaScript programs in an s-expression syntax
KR - Knowledge Representation is a highly flexible and dynamic prototype-based object system for Common Lisp
LALR - LALR is a LALR(1) parser generator (hence a Library useful for working with Text), available at the CMU AI repository
langutils - langutils is a Common Lisp Natural Language Processing Library which provides a set of functions related to the structured analysis and processing of open English text, written by Ian Eslick and based in part on Python code from Hugo Liu
lassie - Natural Language Processing Library for Latent Semantic Indexing
LGLFW - LGLFW is a Library using CFFI to create a set of bindings to GLFW
Line Reader - Line-Reader is a Library for SBCL and CMUCL which provides nicer input capabilities (a la readline)
Linedit - Linedit is a portable line-editing library for Common Lisp
Lisp-SNMP - Lisp-SNMP is a Library for remote system and network administration that uses the Simple Network Management Protocol (SNMP)
local-time - local-time is a development library for manipulating date and time information in a semi-standard manner
Log4CL - Log4CL is a logging library for Common Lisp
Ltk - LTK is a Common Lisp Graphics Toolkit Library for Tk, which provides a complete CLOS binding to the Tk widget set
MatLisp - MatLisp is a Mathematics Library which performs elementary and linear algebra operations on matrices
McCLIM - McCLIM is Mike McDonald's Free and portable implementation of CLIM, the Common Lisp ueber-Graphics Toolkit and a Common Lisp Library
MCPat - MCPat is a meta-circular pattern matching library
mel-base - mel-base is a Networking Library for handling E-Mails (Author: Jochen Schmidt)
memoize - Memoize is a small library for performing memoization
metacopy - Sometimes once isn't enough
MGL - MGL is an AI, ahem, machine learning library focusing on Restricted Boltzmann Machines (RBM) and their stacks called Deep Belief Networks (DBN)
midi - A library for parsing MIDI (Musical Instrument Digital Interface) files and representing MIDI events, previously distributed as part of the Gsharp project
Misc-Extensions - A library containing a motley collection of macros and other extensions
mop-utils - MOP-utils is a small library of utilities for the MetaObject Protocol?
MW-EQUIV - MW-EQUIV is a Library which provides one of many possible equivalence relations between Common Lisp objects, similar to the standard EQUAL function family, but extensible
Named multiple-values - Named-multiple-values is a piece of macrology that enables one to deal with
NARCL - NARCL is short for Negative Association Rule Mining in Common Lisp and is an association rule mining Library and Application written in Common Lisp
NET SBCL SOCKETS - NET SBCL SOCKETS is a networking library for SBCL and an indirect ancestor of the sb-bsd-sockets contrib now included with SBCL
net-telent-date - net-telent-date is a Library consisting mostly of the time parsing routines from CMUCL that were removed from SBCL
NET.QUADIUM.LDAP - NE?
NET.QUADIUM.LDIF - NE?
NetCLOS - NetCLOS is an extension to Common Lisp to provide parallel? programming and distributed system support, written by Lothar Hotz?
newsrc.lisp - A library for reading the content of a Usenet news newsrc file (a file commonly found on Unix systems)
Objective-CL - Objective-CL is a Common-Lisp/Objective-C bridge currently supporting a range of Lisp implementations on Mac OS X and GNUstep
odd-streams - ODD-STREAMS is a library which implements binary streams with "odd" byte sizes
OpenGL Bindings - These library packages interface various Common Lisp implementations with the OpenGL / Mesa
org-davep-dict - org-davep-dict is a Common Lisp networking protocol library for talking to a dict server
org-davep-newsrc - org-davep-newsrc is a Common Lisp library that provides a couple of classes for reading a Unix Usenet newsrc file
org-davep-nntp - org-davep-nntp is a Common Lisp networking protocol library for
org-no-carrier-tail-funcall - A Library (really a small hack) to provide portable tail-call merging
Osicat - Operating system interface library mainly for Unix
packer - The PACKER Library implements a "little language" for C-style structures, along the lines of Perl's pack() or Python's struct module
Parenscript - ParenScript is a small lispy language that can be compiled to JavaScript
PARSE-NUMBER - parse-number is a Library of functions which accept an arbitrary string and attempt to parse it into one of the standard Common Lisp number types, if possible, or else it signals an error of type invalid-number
parser - Pages tagged as on the topic of parser:
patxi-2 - PatXi-2 is a Library to do numerical computations on Common Lisp
PCRE - CMUCL Bindings to the Perl-Compatible Regular Expression library
periodic-table - An essential part of any general chemistry program is the periodic table of the elements
Pg - Pg is a socket-level interface to the PostgreSQL? object-relational Database
PNG - PNG is the old name for CL-PNG, a Library for reading and writing PNG (Portable Network Graphics) files
Portable-Threads - Portable-threads is the GBBopen project's portable-thread code all packaged up for ASDF-Install
profiler - library that is used for profiling lisp code
Puri - puri, Portable Universal Resource Identifier, is a networking library for parsing and representing URIs
py-configparser - This package reimplements the Python module ConfigParser in Common Lisp
pygen - pygen - Python-style generators library
Qi -
Red-Black-trees - Red-Black-trees is a Library for red-black-trees
RegEx-CLAWK-Lexer - Michael Parker has written a set of tools for regular expression matching, AWK functions, and lexical generator
rfc2822 - A Common Lisp library implementing text email as defined in RFC 2822
s-base64 - Base64 encoding/decoding Library by Sven Van Caekenberghe
s-sysdeps - A system dependency library by Sven Van Caekenberghe
s-utils - Utility library by Sven Van Caekenberghe
Salza - Salza is a Common Lisp Compression Library that provides an FFI-less interface to the ZLIB and DEFLATE compressed data formats
save-object - save-object is a Library for object serialization
sb-screen - sb-screen is a library for displaying text on a screen, in the same genre as curses
sb-sha1 - sb-sha1 is an asdf-installable SHA1 library :
sb-simple-audio - sb-simple-audio is a library that provides a simple interface to audio I/O
Screamer - Screamer is an extension of Common Lisp (thus a Library) that adds support for nondeterministic programming including backtracking and undoable side-effects
scribble - Scribble is a Scribe-like reader for CL by Fare Rideau
Septeql - Septeql is a Database library that translates a composable Lispy query language into SQL
sequence-search-replace - A Library for sequence search and replace (bet you couldn't guess that one) so it's useful on Text
Series - Series is a Library for operating on series, a data structure similar to a sequence
simple-rgb - simple-rgb is a basic library for manipulating RGB and HSV color values
simple-stream - Simple-streams are Franz's proposal for a Gray-streams replacement and probably count as a Library
sparklines - Sparklines is a plotting library to make word-sized data lines as described in Edward Tufte
spartns - Spartns is a SPARse TeNSor representation library
spath - SPath is a library for running search queries against s-expressions, intended to match parts of them that the user needs
spatial-trees - spatial-trees is a Library which provides access to dynamic index structures for spatially-extended data, all exposed through a uniform CLOS interface
Stats - Stats by Larry Hunter is a Mathematics Library
Submarine - Submarine is a Common Lisp library that's somewhere between a PostgreSQL? library an an object persistency? system
TBNL - TBNL is an obsolete library to create dynamic web pages
telnetlib - telnetlib is a networking library for doing Telnet
Terminfo - A Common Lisp interface to the terminfo database by Paul Foley
text-template - Text-Template is a library that reads text template files looking for and evaluating embedded bits of Lisp
Texticl - Texticl is a library that transforms a text markup language similar to
TIMER - An event scheduling library for SBCL by Zach Beane
TINA - TINA Is No Acronym - TINA is a configuration system, with implementations for both Java and Common Lisp
TREES - TREES is a Library which provides binary trees of several flavors, all exposed through a uniform CLOS interface
trivial-captcha - trivial-captcha is an exceptionally trivial library for creating images suitable for a CAPTCHA
trivial-features - trivial-features ensures consistent *FEATURES* across multiple Common
trivial-garbage - trivial-garbage is a simple library that provides a portable API to
trivial-gray-streams - trivial-gray-streams is a trivial library which provides an extremely thin compatibility layer for gray streams
trivial-html-parser - Trivial html parser is library it's a small hacked off subset of Closure that can perform html parsing without depending on network libraries, mcclim, CLX or other big things that closure depends on
Trivial-HTTP - Ah, HTTP, the protocol we all love to re-implement
trivial-irc - trivial-irc is a trivial IRC library
trivial-ldap - TRIVIAL-LDAP is a one-file, pure-Lisp client library for parts of RFC 2251 - Lightweight Directory Access Protocol (v3), LDAP
trivial-sockets -
ttf-ascii -
TypeL - TypeL is a Common Lisp sublanguage with strong typing and type
UncommonSQL - UncommonSQL should probably be considered superseded by CLSQL
UncommonXML - UncommonXML is an XML parser written in CL
unit-conversion - units
uri-template - uri-template a short Common Lisp implementation of URI templates as a
URL-REWRITE - URL-REWRITE is a Web library to programmatically rewrite (X)HTML documents such that certain attributes values are replaced by others
usocket - usocket is an MIT-licensed sockets networking library providing a portability layer encapsulating implementation specific sockets programming details
Wilbur - Wilbur is Nokia's open-source Semantic Web library for manipulating RDF
WITH macro - WITH, the 'Bastard Son Of Loop', is a general binding construct
xlyb - XLyb is a persistence layer library on top of CLX
xml-psychiatrist - xml-psychiatrist is a powerful but unstable XML sanity checking Library written entirely in Common Lisp
XMLisp - XMLisp is a library which uses CLOS and the MOP in such a way as to read XML files into Lisp objects
XMLS - Xmls is a small, simple, non-validating XML parsing library for Common Lisp
xmls-tools - xmls-tools is a Library to supplement use of xmls
yacc - CL-Yacc is a LALR(1) parser generator library for Common Lisp, somewhat like Zebu or LALR
ytools - YTools is a Library of macros that enhance or replace many Lisp facilities, such as the awful ' [Syntax error in tag:
(CLHS
```
"end of file on #<SB-IMPL::STRING-INPUT-STREAM {C1BBBF1}>"
```
]
Zebu - Zebu is a Library for LALR(1) Parser generation -- similar to YACC, but it generates Common Lisp code
ZIP - ZIP is a Common Lisp compression library by David Lichteblau? that reads and writes Zip files, using Salza for compression
zlib - zlib or libz is a well known compression library

Small libraries that don't have an own page:

conmc console functions in a DLL, with a CLISP and Corman wrapper. Public Domain. Added 22-Feb-2006. Updated 05-Aug-2006
forloop provides alternatives to the Loop Facility
md5mc MD5 functions in a DLL with Corman wrapper. Public Domain. Added 09-Apr-2006
N-ARY Tree provides an automatic rebalancing B-Tree implementation with multiple items per node
random.lisp is a CL translation of the random.py module in the Python standard library.

The Common Lisp Gardeners are working to improve the set of libraries available, and the documentation of these.

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Also linked from: Changes in June 2000 cl-couchdb CL-IPC cl-openid cl-smugmug cl-smugsmug clouchdb content-length fare-csv GPGME HT-AJAX hyperspec-lookup ieee-floats index jmt.lisp Jochen Schmidt Kevin Reid libgpg-error Libraries lisp-network-server Marko Kocic Mathematics perl-in-lisp pipes plotting postmodern Proposed Extensions To ANSI Pyffi Screenshots trivial-configuration-parser ZPB-EXIF ZPB-TTF ZS3

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