Revision 3 of 3, by WikiArchive on 11-7-2026. The page as it is now.

Package List

This particular page is about the packages directory in FPC source where all non-RTL packages are kept.

For other meanings of Package in the combined FPC/Lazarus projects see Packages(disambiguation)> "packages(disambiguation)").

a52 - Unit for A-52 stream decoder. See SourceForge Page liba52
amunits - Amiga related units (68k?)
aspell - Aspell header unit.
bfd - Header to GNU Binary File Descriptor library (part of binutils)
bzip2 - bzip2 decoding. Turbo Pascal object, standalone, not a header.
cairo - Headers for cairo, a vector graphics library with display and print output. (GTK related, win32 prepared)
cdrom - A linux/windows unit to detect cdrom drives, and get a list of TOC entries (Linux version=Ancient?)
chm - .CHM helpfile reader/writer package. Used for textmode IDE, fpdoc, lazarus chmhelp component/package.
cocoaint - Interfaces to Mac OS X Objective-C frameworks using the Objective-Pascal syntax
dbus - Headers for dbus inter-process communication library. See also the FPC and DBus article
dts - libdts headers, which provides a low-level interface to decoding audio frames encoded using DTS Coherent Acoustics
fcl-async - Provides Unix-only units for asynchronous input/output.
fcl-base - Contains a number of units that are either really "base" functionality or more misc stand-alone units.
fcl-db - FCL Database support (including sqldb and tdbf)
fcl-extra - FCL former fcl-base parts with many dependancies. Currently Daemon/service unit "daemonapp".
fcl-fpcunit - FCL FPCUNIT testing framework
fcl-image - FCL fpimage, fpcanvas generic image support plus helpers.
fcl-json - A JSON (Javascript Object Notation) implementation
fcl-net - Networking parts of the FCL, including the former netdb - DNS resolving
fcl-passrc - Units for dealing with Pascal source files
fcl-process - Provides an easy way to start and manipulate the running of other programs (processes) by your application.
fcl-registry - Provides access to the registry
fcl-res - Provides resource handling for various executable formats
fcl-web - A server side web system for FPC
fcl-xml - XML, XHTML and HTML sax based parsing, related DOM units and writers.
fftw - FFTW - Fastest Fourier Transform in the West library (so apparantly the Eastern one is faster?)
fpgtk - Old fpgtk framework, used to be used for fpde (documentation editor).
fpindexer - Text, Pascal, HTML, database indexer with database/flat file backend.
fpvectorial - A library for reading, writing and modifying vectorial images.
fpmkunit - Linkable parts of fpmake and fppkg subsystem
fv - Free Vision is an application framework that allows you to design user friendly text mode applications.
fuse - Bindings for libfuse, a library of a daemon that allows implementations of filesystem(-mapping)s in userspace
gbaunits - Gameboy Advance libraries
gdbint - Interface to gdblib. (static linking to GDB), for the IDE.
gdbm - Interface to the GNU database system. (libgdbm)
ggi - Interface to libGGI (General Graphic Interface)
gmp - interface to libGMP (GNU Multiple Precision Arithmetic Library, library for handling "big" numbers)
gnome1 - Headers for older Gnome-1 version, Gnome is a desktop library.
graph - Implementation of Graph unit compatible to that one originally available with TP/BP
gtk1 - gtk1 headers
gtk2 - gkt2 headers
hash - Contains implementations for crc, md5, NTLM (1?) and, under Linux, crypt. Crypt might be better used from pkg "user"
hermes - Port of the "hermes" library. Graphics related
httpd13 - A translation of the Apache 1.3.x headers to develop modules.
httpd20 - A translation of the Apache 2.0.x headers to develop modules.
httpd22 - A translation of the Apache 2.2.x headers to develop modules.
ibase - Interbase and Firebird headers
imagemagick - ImageMagick headers for pascal.
imlib - A dynamic image creation library. See Imlib documentation. (N.B. this is different from Imlib2)
iconvenc - A header translation of the iconv library headers.
ldap - Headers for OpenLDAP - An implementation of the Lightweight Directory Access Protocol. See OpenLDAP Homepage
libc - Deprecated Kylix compatibility lib. Linux/x86 only. See libc unit
libcurl - A header translation of the libcurl library headers
libgd - GD is an open source code library for the dynamic creation of images. See LibGD Homepage
libndsfpc - Nintendo DS libraries
libpng - Interface to the libpng library. This library can be used to read/write/manipulate image files in PNG format
librsvg - Free, Open Source SVG Rendering library. See page in Gnome.org
libxml2 - Headers for Libxml2, the XML C parser and toolkit developed for the Gnome project. See libxml2 Homepage
lua - Headers for lua scripting language
mad - libmad header, (MPEG Audio Decoder) Also part of openal now?
matroska - An extensible open standard Audio/Video container. See Matroska Homepage
modplug - headers for modplug decoder. see sourceforge page ModPlug XMMS Plugin
mysql - Headers for mysql database client library for several different versions
ncurses - General unix terminal support library.
newt - Erik Troan's newt text-mode windowing toolkit
numlib - Numeric math lib (TP dialect) from TU/E.
odbc - Headers for ODBC library.
objcrtl A package that is enabled for Darwin/i386/x86_64/arm but not for PPC/PPC64. "Objective-C Runtime-Library"
oggvorbis - An open music codec and container format. See OggVorbis Homepage
openal - A cross-platform 3D audio API See OpenAL Homepage
OpenCL - Headers for Open Computing Language
opengl - An interface to OpenGL (Open Graphics Library)
openssl - Headers for openssl, a secure sockets library.
oracle - Headers for oracle (version here) database clientlibs,
os2units - Interfaces to various libraries available under OS/2 and eComStation
palmunits - Palm OS SDK 4.0
pasjpeg - A Pascal conversion (thus without dependancies) of the libjpeg library.
paszlib - A Pascal conversion (thus without dependancies) of the standard zlib library.
pcap - Headers for the Packet Capture library
postgres - Headers for Postgres (version here) database clientlibs
proj4 - Headers for Proj.4 a Cartographic Projections Library. See Homepage
ptc - Headers for OpenPTC, a high-speed low-level graphics access library. See Textmode IDE development
pthreads - Headers for pthreads unix threading libraries.
pxlib - A library to read and write Paradox DB files
regexpr - Regex (regular expression) engine
rexx - Interface to REXX SAA headers allowing to use Pascal code in REXX scripts
sdl - Simple DirectMedia Layer
sndfile - An interface to the linux (?) libsndfile library.
sqlite - Cross-platform C library that implements a self-contained, embeddable, zero- configuration SQL database engine. See SQLite Homepage
svgalib - An interface to the SVGA graphics library (Unix).
symbolic - Expression parser with minimal symbolic manipulation
syslog - Provides an interface to the Unix system logger Daemon
tcl - An interface to the tcl/tk interpreter.
univint - Mac OS X interfaces (Carbon, CoreServices; CoreFoundation, CoreAudio, CoreGraphics, CoreType, CoreVideo, AudioUnits, ...).
unixutil - Some old kylix wrapper. Delete?
unzip - Routines for unzipping .zip files.
users - Various routines to work with Unix users and groups
utmp - Various routines to work with Unix /var/run/utmp, the unix login logfile
uuid - A basic libuuid header.
winceunits - WinCE API
winunits-base - Additional windows units. Mostly Delphi compat (activex, comobj)
winunits-jedi - Very complete winapi header translation from Jedi
x11 - Basic X Windows System (xlib) headers
xforms - Basic XForms headers
zlib - Basic interface to the zlib compression library.
zorba - Zorba XQuery Processor. See Homepage

Documentation of packages that migrated to the RTL over time:

cmem - Reroutes FPC memory handling to malloc/free.

From the Free Pascal wiki, page "Package List", as the Internet Archive kept it on 2025-08-29, last changed on 2024-09-17. Copyright stays with the author who wrote it, according to the old wiki's Licensing page. If you have concerns about this material, message the admin.