GNU

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GNU is a Unix-like operating system that is free software—it respects your freedom. You can install Linux-based versions of GNU which are entirely free software. The GNU System provides a collection of applications, libraries, and developer tools, plus a program to allocate resources and talk to the hardware, known as a kernel.

For a complete list of GNU packages and more, visit gnu.org/software.

 DescriptionHomepageLicense
3dldfpackage for three-dimensional drawing with MetaPost outputhttps://www.gnu.org/software/3dldf/GPLv3
8syncAsynchronous programming for Guilehttps://www.gnu.org/software/8sync/LGPLv3orlater
A2psAny to PostScript filterhttp://www.gnu.org/software/a2psGPLv2orlater
GPLv3orlater
AcctGNU system accounting utilitieshttp://www.gnu.org/software/acct/GPLv3orlater
AcmAerial combat simulation gamehttp://www.gnu.org/software/acmGPLv2orlater
ActivationJavaBeans™ Activation Frameworkhttps://www.gnu.org/software/classpathx/jaf/GPLv3
AdnsResolver library for C and C++ programshttps://www.gnu.org/software/adns/GPLv3orlater
AetherspaceProject to produce a multiplayer gamehttp://www.gnu.org/software/aetherspaceAGPLv3
AliveAutomatic login and keep-alive utility for Internet connections.https://www.gnu.org/software/alive/GPLv3orlater
AnubisProcesses outgoing mailhttps://www.gnu.org/software/anubis/GPLv3orlater
Aplfree version of the programming language APLhttps://www.gnu.org/software/apl/GPLv3
ArchimedesSoftware for designing and simulating submicron semiconductor deviceshttps://www.gnu.org/software/archimedes/GPLv3
ArisA formal logical proof programhttps://www.gnu.org/software/aris/GPLv3orlater
AroundmeSocial networking and team interaction softwarehttp://www.barnraiser.org/aroundmeGPLv3orlater
ArtanisGNU Artanis web application framework written in Guile Schemehttps://gnu.org/software/artanis/LGPLv3orlater
AspellSpell checkerhttp://aspell.net/LGPLv2.1
AuctexIntegrated environment for editing LaTeX and TeX fileshttp://www.gnu.org/software/auctex/GPLv3orlater
AutoconfProduces shell scripts which automatically configure source codehttps://www.gnu.org/software/autoconfGPLv2orlater
GPLv2 with exception
GPLv3orlater with exception
Autoconf-archivecollection of free autoconf macroshttps://www.gnu.org/software/autoconf-archive/GPLv3orlater with exception
AutogenAutomated program and text generationhttp://www.gnu.org/software/autogen/GPLv3orlater
AutomakeGenerates Makefile.in fileshttps://www.gnu.org/software/automake/GPLv2orlater
AvlLibrary for balanced binary treeshttp://adtinfo.org/GPLv3orlater
LGPLv3orlater
BPEL2oWFNtranslates a web service expressed in BPEL into an oWFNhttp://www.gnu.org/software/bpel2owfn/index.htmlGPLv2orlater
Ballandpaddlean old-fashioned ball and paddle game.http://www.gnu.org/software/ballandpaddle/GPLv3
GFDL
BarcodeConverts text strings to printed barshttp://www.gnu.org/software/barcodeGPLv3orlater
BashThe GNU Bourne-Again SHellhttps://www.gnu.org/software/bashGPLv3orlater
BayonneGNU telephony serverhttps://www.gnu.org/software/bayonne/GPLv2orlater
Bazaara friendly powerful distributed version control system.http://bazaar.canonical.com/GPLv2orlater
BcInteractive algebraic languagehttps://www.gnu.org/software/bc/GPLv2orlater
BinutilsCollection of binary utilitieshttps://www.gnu.org/software/binutils/GPLv2orlater
GPLv2
LGPLv2
GPLv3
BisonReplacement for the parser generator 'yacc'https://www.gnu.org/software/bison/GPLv2orlater
BoolUtility for matching boolean queries in texthttp://www.gnu.org/software/boolGPLv3
C-Graphsoftware for visualizing convolution and demonstrating the convolution theoremhttp://www.gnu.org/software/c-graphGPLv3orlater
CPPIa cpp directive indenter.http://www.gnu.org/software/cppiGPLv3orlater
CalendulaFund-raising/contact management software for non-profitshttp://www.gnu.org/software/calendula/GPLv2orlater
CcaudioLibrary and software for manipulating audio datahttps://www.gnu.org/software/ccaudioGPLv3orlater
LGPLv3orlater
Ccd2cueCCD sheet to CUE sheet converterhttps://www.gnu.org/software/ccd2cue/GPLv3orlater
GFDLv1.3orlater
CcideC Language Decision Table Code Generatorhttp://twysf.users.sourceforge.net/GPLv3orlater
CcrtpRTP protocol stack of GNU Common C++ and the GNU projecthttps://www.gnu.org/software/ccrtp/GPLv2orlater
CcscriptC++ class framework for creating a virtual machine execution systemhttps://www.gnu.org/software/ccscript/GPLv3orlater
CfengineMaintains configuration of a heterogenous UNIX networkhttp://www.gnu.org/software/cfengineGPLv2orlater
CflowCharts control flow within source codehttp://www.gnu.org/software/cflow/GPLv3orlater
Cfs-elFrontend for CFShttp://savannah.gnu.org/projects/cfs-elGPLv2orlater
Cgicca C++ class library for writing CGI applicationshttps://www.gnu.org/software/cgicc/LGPLv3orlater
GPLv2
GFDL
CheckerFinds memory errors at runtimehttp://www.gnu.org/software/checker/GPLv2orlater
ChessChess gamehttps://www.gnu.org/software/chess/GPLv3orlater
CimCompiler for the programming language Simulahttps://gnu.org/software/cim/GPLv2
ClasspathFree core class libraries for the Java programming languagehttp://www.gnu.org/software/classpath/GPLv2orlater with exception
GPLv2orlater
ClasspathxUnfinished free implementation of the Java extension librarieshttp://www.gnu.org/software/classpathx/GPLv2orlater with exception
ClispANSI Common Lisp compiler, debugger, and interpreterhttp://clisp.org/GPLv2
CombineExtensible file matching and filteringhttp://www.gnu.org/software/combine/GPLv3orlater
GFDLv1.3orlater
CommoncppHighly portable C++ class libraryhttps://www.gnu.org/software/commoncpp/GPLv2orlater
ComplexityMeasure the complexity of C sourcehttps://www.gnu.org/software/complexityGPLv3orlater
CoreutilsCollection of basic file, shell and text manipulation utilitieshttps://www.gnu.org/software/coreutils/GPLv3orlater
GFDLv1.3orlater
CpioArchiver that handles various types of cpio and tar archiveshttp://www.gnu.org/software/cpio/GPLv3orlater
CsscFree clone of SCCShttps://www.gnu.org/software/cssc/GPLv3
Cursyntha polyphonic synthesizer that runs in the terminalhttps://www.gnu.org/software/cursynth/GPLv3orlater
DapStatistics and graphics packagehttps://www.gnu.org/software/dapGPLv2orlater
DatamashScriptable statistics and data calculationhttp://www.gnu.org/software/datamashGPLv3orlater
DddGraphical front end for command line debuggershttps://www.gnu.org/software/ddd/GPLv3orlater
DdrescueData recovery toolhttps://www.gnu.org/software/ddrescue/GPLv2orlater
DejagnuFramework to test programshttps://gnu.org/software/dejagnu/GPLv3orlater
DenemoGraphical music notation, front-end to GNU Lilypondhttp://www.denemo.org/GPLv3orlater
DiaGTK-based diagram drawing programhttps://live.gnome.org/DiaGPLv2orlater
Dicoa flexible modular implementation of DICT server (RFC 2229).http://dico.software.gnu.org.ua/GPLv3orlater
DictionChecks text for readability and bad usagehttp://www.gnu.org/software/diction/diction.htmlGPLv2orlater
GPLv3orlater
DiffutilsFinds differences between and among fileshttps://gnu.org/software/diffutils/GPLv3orlater
Dionysusa local machine search engine for universal constants and parameters of scientific and engineering relevance.https://www.gnu.org/software/dionysus/GPLv3orlater
DireventA directory content watcher daemonhttps://www.gnu.org/software/direvent/GPLv3
DismalA major mode for GNU Emacs that implements a spreadsheet.http://elpa.gnu.org/packages/dismal.htmlGPLv3
DmdService manager that's a replacement for SysV-inithttps://www.gnu.org/software/dmd/GPLv3
DominionMulti-player role-playing simulationhttp://savannah.gnu.org/projects/dominion/GPLv3orlater
DoscheckUtility to ensure that source names are distinguishablehttp://www.gnu.org/software/doschk/doschk.htmlGPLv2orlater
Double Choco LatteSystem for tracking bugs, changes, enhancements, and requests for softwarehttp://dcl.sourceforge.net/GPLv2
Dr. geoAnn application to build interactive geometric sketcheshttp://drgeo.euGPLv2orlater
DynORMDynamic object-relation mapping libraryhttps://dynorm.codeplex.com/GPLv3
EPrintsOnline information archiving systemhttp://www.gnu.org/software/eprintsGPLv2orlater
ERCIRC client for Emacshttps://gnu.org/software/erc/GPLv3
EasejsClassical object-oriented framework for JavaScripthttps://www.gnu.org/software/easejs/GPLv3orlater
EdA simple line editorhttps://www.gnu.org/software/ed/GPLv3orlater
EdmaModular development environmenthttp://www.gnu.org/software/edma/edma.htmlLGPLv3orlater
ElectricAn EDA toolhttp://www.staticfreesoft.com/GPLv3orlater
ElibLibrary of Emacs LISP functionshttp://www.gnu.org/software/elib/elib.htmlGPLv2
EmacsExtensible, real-time editorhttps://www.gnu.org/software/emacsGPLv3orlater
GFDLv1.3orlater
EmmsEmacs package to play multimedia files using external playershttps://www.gnu.org/software/emms/GPLv3orlater
EnscriptConverts ASCII files to PostScripthttp://www.gnu.org/software/enscript/GPLv2orlater
GPLv3orlater
EpsilonStrongly-typed omega-order programming languagehttp://www.gnu.org/software/epsilon/GPLv2orlater
FdiskIs a libparted-based partitioning toolhttp://www.gnu.org/software/fdisk/GPLv3orlater
FerretGNU data modellerhttp://www.gnu.org/software/ferret/project/what.htmlGPLv2orlater
GPLv3
FindutilsTools to find files and to operate on groups of fileshttp://www.gnu.org/software/findutils/findutils.htmlGPLv3orlater
Finger 2Lets Unix users exchange informationhttp://www.gnu.org/software/finger/finger.htmlGPLv2orlater
Fisicalabeducational application to solve physics problemshttps://www.gnu.org/software/fisicalab/GPLv3orlater
FltdjPIM programhttp://kpatel.x10host.comGPLv2orlater
Foliota small and easy to use timekeeping applicationhttps://www.gnu.org/software/foliot/GPLv3orlater
FontopiaConsole bitmap font editorhttps://www.gnu.org/software/fontopia/GPLv3orlater
FontutilsScanned image, bitmap, outline font manipulation.https://www.gnu.org/software/fontutils/GPLv3orlater
FreedinkFree enhancement of the Dink Smallwood game enginehttps://www.gnu.org/software/freedink/GPLv3
FreefontFree UCS outline fontshttp://www.gnu.org/software/freefont/GPL
GPLv2orlater
GPLv3orlater
FreeipmiIntelligent platform management systemhttps://www.gnu.org/software/freeipmiGPLv3orlater
Freetalkconsole based Jabber clienthttps://www.gnu.org/software/freetalk/GPLv3orlater
FribidiFree implementation of the Unicode Bidirectional (BiDi) Algorithmhttp://fribidi.org/LGPLv2.1
GIFTContent based image retrieval systemhttp://www.gnu.org/software/gift/gift.htmlGPLv2
GIMPGNU Image Manipulation Programhttp://gnu.org/software/gimpLGPLv3orlater
GPLv3orlater
GLUEGNU Internet groupware projecthttp://www.gnu.org/software/glue/glue.html
GMediaServerA UPnP compatible media server.https://www.gnu.org/s/gmediaserver/GPLv3
GNATA complete Ada95 compilation systemhttp://gnu.org/software/gnatGPLv3orlater
GNOWSYSHybrid database server with a kernel for semantic computinghttp://www.gnu.org/software/gnowsys/GPLv2orlater
GNU BeaconSimple date and category-driven Web publishing systemhttps://savannah.gnu.org/p/beacon/GPLv2orlater
GNU FMGNU FM is free software for running music community websites.http://gnu.org/s/fmAGPLv3orlater
GNU GnashFlash Movie Playerhttp://www.gnu.org/software/gnash/GPLv3orlater
GNU MessengerSecure messaging systemhttp://www.gnu.org/software/gm/GPLv2orlater
GNU MyServerWeb server designed for inexperienced usershttp://www.myserverproject.netGPLv2orlater
GNU PascalPascal compiler of the GNU Projecthttp://www.gnu-pascal.de/gpc/h-index.htmlGPLv2
GNU SQL ServerDatabase management systemhttp://panda.ispras.ru/~gsql/GPLv2
GNU SonganizerScript to organize a directory containing ogg and mp3 files.https://www.gnu.org/software/songanizer/GPLv2orlater
GNU Source-highlightThis program, given a source file, produces a document with syntax highlighting.http://www.gnu.org/software/src-highliteGPLv3orlater
GNU Teseqa tool for analyzing files that contain control characters and terminal control sequences.https://www.gnu.org/software/teseq/GPLv3orlater
GNU ZileA text editor development kit.https://www.gnu.org/software/zileGPLv3orlater
GNU libmathevalLibrary for evaluating mathematical expressionshttp://www.gnu.org/software/libmatheval/GPLv3orlater
GNU sauceAnti-spam serverhttp://www.gnu.org/software/sauce/GPLv2orlater
GNU.FREEInternet voting systemhttps://www.gnu.org/software/free/GPLv2orlater
GNUe Application ServerBusiness logic server for 3-tier database applications.http://www.gnuenterprise.orgGPLv2orlater
GNUe Common LibraryPython library for database abstraction, RPC abstraction, and lots of other things.http://www.gnuenterprise.org/GPLv2
GNUe FormsMulti-platform user interface generator for database applications with support for various database backends.http://www.gnuenterprise.org/GPLv2
GNUe NavigatorMulti-platform menuing system.http://www.gnuenterprise.org/GPLv3
GNUe ReportsReport generator with support for various datasources and different output formats.http://www.gnuenterprise.org/GPLv3
GNUstepA graphical, object oriented programming environmenthttp://www.gnustep.org/LGPL
GPLv3
GOOPSObject-oriented extension to 'guile'https://www.gnu.org/software/goops/GPLv2orlater
GWorkspaceGNUstep workspace and file managerhttp://www.gnustep.org/experience/GWorkspace.htmlGPLv2orlater
GamaGeodetic network adjustment programhttps://www.gnu.org/software/gamaGPLv3orlater
GarpdGNU Gratuitous ARP Daemonhttps://savannah.gnu.org/projects/garpdGPLv2orlater
GawkString manipulation languagehttps://www.gnu.org/software/gawk/GPLv3
GcalIs a program for calculating and printing calendars, and is the GNU implementation of the universally known cal and calendar programs.https://www.gnu.org/s/gcal/GPLv3orlater
GccGNU Compiler Collectionhttps://gcc.gnu.org/GPLv3orlater with exception
LGPLv2.1orlater
GcideComprehensive English Dictionaryhttp://gcide.gnu.org.ua/GPLv3orlater
GcjwebpluginBrowser plugin that executes Java appletshttp://www.nongnu.org/gcjwebplugin/GPLv2orlater with exception
GclCompiler and interpreter for Common Lisphttps://www.gnu.org/software/gcl/Other
GcomprisEducational suite for children from 2 to 10http://gcompris.netGPLv3
GdbGNU Debuggerhttps://www.gnu.org/software/gdb/GPLv2orlater
GPLv3orlater
GdbmReplacement for the 'dbm' and 'ndbm' librarieshttps://gnu.org/software/gdbmGPLv3
GengenA parameterized-text-generator generator based on a templatehttp://www.lorenzobettini.it/software/gengen/index.phpGPLv2orlater
GengetoptGenerates a C function that parses and validates command line optionshttp://www.gnu.org/software/gengetoptGPLv3orlater
GettextTools to produce multi-lingual messageshttps://www.gnu.org/software/gettextGPLv3orlater
LGPLv2.1orlater
GfeGraphical font editorhttp://www.gnu.org/software/gfe/GPLv2orlater
GforthFree implementation of the ANS Forth languagehttps://www.gnu.org/software/gforth/GPLv3orlater
GfortranFortran compilerhttp://gcc.gnu.org/GPLv2orlater
GgradebookFully-featured GNU gradebookhttps://www.gnu.org/s/ggradebook/GPLv3orlater
GhostscriptPostScript and PDF interpreterhttp://gnu.org/software/ghostscriptAGPLv3orlater
AGPLv3 with exception
Other
GleemLibrary of 3D widgetshttp://www.gnu.org/software/gleem/GPLv2orlater
GlibCore library that forms the basis of GTK+ and GNOMEhttps://wiki.gnome.org/Projects/GLibOther
GlobalSource code tag system for C, C++, Java, and Yacchttps://www.gnu.org/software/global/GPLv3orlater
GlpkGNU Linear Programming Kithttps://www.gnu.org/software/glpk/GPLv3orlater
Gluethe GNU groupware projecthttps://www.gnu.org/s/glue/GPLv2orlater
GmpThe GNU Multiple Precision Arithmetic Libraryhttps://gmplib.org/LGPLv3orlater
GPLv2orlater
GnatsBug tracking systemhttps://gnu.org/software/gnats/GPLv3
GnatswebWeb interface to the GNU bug management systemhttps://savannah.gnu.org/projects/gnatsweb/GPL
Gneural NetworkGneural Network is the GNU package which implements a programmable neural network.http://www.gnu.org/software/gneuralnetwork/GPLv3orlater
GnochiveGUI frontend for multiple archivershttp://sourceforge.net/projects/gnochive/GPLv2orlater
GnomeThe GNU desktophttps://www.gnome.org/GPLv2orlater
GnotaryProject to produce a digital notary servicehttps://savannah.gnu.org/projects/gnotary/GPLv2
Gnotepad+HTML and text editorhttp://gnotepad.sourceforge.net/GPLv2orlater
Gnu-archRevision control systemhttp://www.gnu.org/software/gnu-archGPLv2
Gnu-c-manualA reference manual of the C programming language as implemented by GCChttps://www.gnu.org/software/gnu-c-manual/GFDLv1.3orlater
Gnu-cryptoProject to produce a full set of Java cryptographic toolshttp://www.gnu.org/software/gnu-cryptoGPLv2orlater with library exception
Gnu-pw-mgrpasswords managerhttps://www.gnu.org/software/gnu-pw-mgr/GPLv3
Gnu3dkit3D graphics rendering architecturehttps://gnu.org/software/gnu3dkit/LGPLv2.1
GnuCAD 2Unfinished project to write a free CAD systemhttp://gnu-cad.sourceforge.net/GPLv2
GnuaeSoftware to produce alternative energy systemshttp://www.senecass.com/software/gnuae/GPLv3
GnuastroCollection of tools for astronomical data analysis and manipulationhttp://www.gnu.org/software/gnuastro/GPLv3
Gnubatchan advanced batch scheduling system for GNU.https://gnu.org/software/gnubatch/GPLv3orlater
GFDL
GnubgPlays and analyzes backgammon games and matcheshttp://www.gnubg.org/GPLv3
GnubiffMail notification programhttp://gnubiff.sourceforge.net/GPLv3orlater
Gnubik3D Rubik's cube gamehttps://www.gnu.org/software/gnubik/GPLv3orlater
GnucapA general purpose circuit simulatorhttps://www.gnu.org/software/gnucap/GPLv3
GnucashPersonal and small business money-management softwarehttps://www.gnucash.org/GPLv2orlater
GnucobolFree COBOL compiler and runtimehttps://www.gnu.org/software/gnucobol/GPLv2orlater
LGPLv2.1orlater
GnucommGNU telecommunications projecthttp://www.gnu.org/software/gnucomm/GPLv2orlater
GnudosA software library to help new GNU system usershttps://gnu.org/software/gnudos/GPLv3orlater
GnugoPlays the game of Gohttps://www.gnu.org/software/gnugo/GPLv2
GPLv3
GnuitTools for simple, daily file and system management taskshttp://www.gnu.org/software/gnuit/GPLv2
GPLv3orlater
GnujumpGNUjump is a simple game where your goal is to keep jumping to upper falling platforms in order to avoid touching the lower part of the screen.http://www.gnu.org/software/gnujump/GPLv3orlater
GnukartRacing gamehttp://www.gnu.org/software/gnukart/GPLv2orlater
GnulibGNU portability libraryhttp://www.gnu.org/software/gnulib/
GnumachMicrokernel of the GNU systemhttps://www.gnu.org/software/hurd/microkernel/mach/gnumach.htmlGPLv2orlater
GnumedSoftware for a paperless medical practicehttp://www.gnumed.orgGPLv2
GnumericMath program intended to replace commercial spreadsheetshttp://www.gnome.org/projects/gnumeric/GPLv2orlater
Gnump3dA light-weight audio serverhttp://www.gnu.org/software/gnump3d/GPLv2orlater
Gnuna build system for www.gnu.org translations.https://www.gnu.org/software/gnun/X11
GPLv3orlater
GFDL
W3C
GnunetAnonymous peer-to-peer file-sharinghttps://gnunet.org/GPLv3orlater
GnupgComplete implementation of the OpenPGP Internet standardhttps://www.gnupg.org/GPLv3orlater
GnupodLets you use an iPod under GNU/Linuxhttp://www.gnu.org/software/gnupod/GPLv3orlater
Gnuprologjavaan implementation of ISO Prolog as a Java libraryhttp://www.gnu.org/software/gnuprologjavaGPLv3orlater
GFDL
LGPLv3orlater
Gnuradiotoolkit for implementing software radioshttp://gnuradio.org/GPLv3orlater
GnurobotsReal-time gamehttps://www.gnu.org/software/gnurobots/GPLv3
Gnusmail/news client in Emacshttp://www.gnus.org/GPLv3orlater
GnuschoolIs a web application for educators, students, and school administrators.http://www.gnu.org/software/gnuschool/GPLv3orlater
GnushogiJapanese version of chesshttps://www.gnu.org/software/gnushogiGPLv3orlater
GnuskiesProject to create a free version of the xephem programhttp://www.gnu.org/software/gnuskies/gnuskies.htmlGPLv2orlater
GnusoundMultitrack sound editor for Gnomehttps://www.gnu.org/software/gnusound/GPLv2orlater
Gnuspeecha complete articulatory speech synthesis systemhttps://www.gnu.org/software/gnuspeech/GPLv3orlater
Gnuspoola spooling system which can support any type of printer and printer interface.https://www.gnu.org/software/gnuspool/GPLv3orlater
GnusysutilsPlanned group of utilities for system administratorshttp://savannah.gnu.org/projects/sysutilsGPLv2orlater
GnutritionNutrition analysis softwarehttp://gnu.org/software/gnutritionGPLv3orlater
GoldwaterMiddleware component of the DotGNU projecthttp://www.gnu.org/software/goldwaterGPL
GopticalGNU Optical design and simulation libraryhttp://www.gnu.org/software/goptical/GPLv3orlater
GormGraphic Object Relationship Modelerhttp://gnustep.org/experience/Gorm.htmlGPLv3orlater
GpaintGNOME paint programhttps://www.gnu.org/software/gpaintGPLv3orlater
Gperfa perfect hash function generatorhttps://www.gnu.org/software/gperf/GPLv3orlater
GprologProlog compilerhttp://www.gprolog.org/GPLv2orlater
LGPLv3orlater
GregSoftware testing frameworkhttps://www.gnu.org/software/greg/GPLv2orlater
GrepFinds lines that match entered patternshttps://www.gnu.org/software/grepGPLv3orlater
GretlStatistical analysis of economic data (econometrics)http://gretl.sourceforge.net/GPLv3orlater
GroffDocument formatting systemhttp://www.gnu.org/software/groff/groff.htmlGPLv2
GrubGNU GRand Unified Bootloaderhttps://www.gnu.org/software/grub/GPLv3orlater
GsaslSASL network authentication libraryhttp://www.gnu.org/software/gsasl/GPLv3orlater
Gsegrafixa GNOME scientific and engineering plotting programhttps://www.gnu.org/software/gsegrafix/GPLv3orlater
GFDL
GslRoutines for numerical computinghttp://www.gnu.org/software/gsl/GPLv3orlater
GsrcGNU Source Release Collectionhttp://www.gnu.org/software/gsrcGPLv3orlater
SimplePermissiveNonWarranty
GssImplementation of the Generic Security Service APIhttps://www.gnu.org/software/gss/GPLv3orlater
GtickDigital metronomehttp://www.antcom.de/gtick/GPLv3orlater
Gtk+Cross-platform toolkit for creating graphical user interfaceshttp://www.gtk.org/Other
GtkeyboardGraphical keyboardhttp://opop.nols.com/gtkeyboard.htmlGPLv2orlater
GtypistTyping tutor programhttps://www.gnu.org/software/gtypistGPLv3orlater
GuileGNU extensibility libraryhttps://www.gnu.org/software/guileLGPLv3orlater
Guile-DebbugsAccessing the Debbugs bug tracker with Guilehttps://gnu.org/software/guile-debbugsGPLv3orlater
Guile-SDLGuile bindings for various SDL librarieshttps://www.gnu.org/software/guile-sdl/GPLv3orlater
Guile-dbiGuile database abstraction layerhttp://home.gna.org/guile-dbi/GPLv2orlater
Guile-gnomeHelps Scheme programmers develop visual applicationshttp://www.gnu.org/software/guile-gnome/GPLv2orlater
Guile-gtkGuile language bindings for Gtk+ version 1.2http://www.gnu.org/software/guile-gtk/GPLv2orlater
Guile-ncursesA library for interfacing GNU Guile with ncurses for the creation of textual user interfaces.http://www.gnu.org/software/guile-ncurses/LGPLv3orlater
Guile-openglOpenGL bindings for GNU Guilehttps://gnu.org/s/guile-openglLGPLv3orlater
Guile-rpcpure Scheme implementation of XDR and ONC RPC for Guilehttps://www.gnu.org/software/guile-rpc/GPLv3
GuixGNU Package Managerhttps://gnu.org/software/guixGPLv3orlater
GurgleFormerly the GNU Report Generatorhttp://homepages.inf.ed.ac.uk/timc/gurgle/GPLv3orlater
GvFrontend for ghostscripthttp://www.gnu.org/software/gvGPLv3orlater
GvpeSecure vpn network among multiple nodes over an untrusted networkhttp://savannah.gnu.org/projects/gvpeGPLv3
GxmessageGTK-based xmessage clone.http://gnu.org/software/gxmessage
GzipCompresses and decompresses fileshttp://www.gnu.org/software/gzipGPLv2orlater
GPLv3orlater
HalifaxClient applications suite for fax applicationshttps://gnu.org/software/halifaxGPLv2orlater
HealthHospital and Health Information Systemhttp://health.gnu.org/GPLv3orlater
HelloGNU greeting packagehttps://www.gnu.org/software/hello/GPLv3orlater
Help2manGenerates manual pages from program fileshttps://www.gnu.org/software/help2manGPLv3
Hp2xxReads and converts HP-GL files to various formatshttp://www.gnu.org/software/hp2xx/hp2xx.htmlGPLv2orlater
HttptunnelCreates a data path in HTTP requestshttp://www.nocrew.org/software/httptunnel.htmlGPLv2
HurdProject GNU's replacement for the Unix kernelhttps://www.gnu.org/software/hurdGPLv2orlater
HyperboleInformation and text management programhttps://www.gnu.org/software/hyperbole/GPLv3orlater
IceCatGNUzilla IceCat is the GNU version of Mozilla Firefoxhttps://www.gnu.org/software/gnuzilla/GPL
LGPL
MPL
IceCat/GNU LibreJSBlocks javascript that is both non-trivial and non-freehttps://www.gnu.org/software/librejs/GPLv3orlater
IceCatMobileIceCatMobile is the lightweight version of the GNU IceCat browser.https://www.gnu.org/software/gnuzilla/GPL
LGPL
MPL
MPLv2.0
IdutilsTools for indexinghttps://www.gnu.org/s/idutilsGPLv3orlater
IgnuitA flash-card based memorization aid.http://gnu.org/software/ignuitGPLv3orlater
IndentC language source code formatting programhttp://www.gnu.org/software/indent/GPLv3
InetutilsCollection of common network programshttps://www.gnu.org/software/inetutils/GPLv3orlater
IntlfontsFonts for all characters Emacs 20 can handlehttp://gnu.org/software/intlfontsGPLv2orlater
JacalMathematics programhttp://people.csail.mit.edu/jaffer/JACALGPLv2orlater
GPLv3
JelCompiler for simple expressions into Java byte codehttps://gnu.org/software/jel/GPLv3orlater
JtwA programming language createdto simplify the process of learning how to program in Javahttps://www.gnu.org/software/jtw/GPLv3orlater
JwhoisInternet whois clienthttp://www.gnu.org/software/jwhois/GPLv3orlater
KawaFeatureful scheme implementationhttps://www.gnu.org/software/kawa/X11
GPLv2orlater
LegLibraries and Engines for Gameshttps://www.gnu.org/software/leg/GPLv2orlater
LessDisplay paginatorhttps://www.gnu.org/software/less/SimplePermissiveNonWarranty
GPLv3orlater
LibcLibrary for use with GNU/Hurd and GNU/Linuxhttps://www.gnu.org/software/libc/LGPL
LibcdioCD-ROM access libraryhttps://www.gnu.org/software/libcdio/GPLv3orlater
Liberty-eiffelCompiler for the Eiffel programming languagehttp://www.liberty-eiffel.org/LGPLv2.1orlater
LibextractorExtracts metadata information from fileshttps://www.gnu.org/software/libextractor/GPLv3orlater
GFDLv1.3orlater
LibffcallBuilds foreign function call interfaces in embedded interpretershttp://savannah.gnu.org/projects/libffcallGPLv2orlater
LibgcryptCryptographic libraryhttps://www.gnu.org/software/libgcrypt/LGPLv2.1orlater
GPLv2orlater
LibiconvConverts between character encodingshttps://gnu.org/software/libiconv/LGPL
LGPLv2orlater
GPLv3orlater
LibidnInternationalized string preparation libraryhttps://www.gnu.org/software/libidn/GPLv3orlater
LGPLv2.1orlater
LGPLv2.1
LibmicrohttpdC library implementing an HTTP 1.1 serverhttp://www.gnu.org/software/libmicrohttpd/LGPLv2.1
LibsigsegvLibrary for handling page faultshttp://www.gnu.org/software/libsigsegv/GPLv2orlater
Libtasn1the ASN.1 library used by GnuTLS, GNU Shishi and some other packages.https://www.gnu.org/s/libtasn1/GPLv3orlater
LGPLv2.1orlater
GFDL
LibtoolGeneric library support scripthttp://www.gnu.org/software/libtoolGPLv2
GPLv2orlater with exception
LGPLv2.1orlater
LibunistringUnicode string libraryhttps://www.gnu.org/software/libunistring/LGPLv2orlater
LGPLv3orlater
GPLv3orlater
LibxmiLibrary for rasterizing 2-D vector graphicshttp://www.gnu.org/software/libxmiGPLv2
LightningGenerates assembly language code at run-timehttps://www.gnu.org/software/lightning/LGPLv3orlater
LilypondMusic typesetterhttp://www.lilypond.org/GPLv3orlater
Linux-libreUNIX-like monolithic kernel liberated and adopted by the GNU systemhttp://linux-libre.fsfla.orgGPLv2
Liquidwar6Liquid War 6 is a unique multiplayer wargame.https://www.gnu.org/software/liquidwar6/GPLv3orlater
LshFree implementation of the SSH protocolhttp://www.gnu.org/software/lsh/GPLv2orlater
M4Macro processorhttps://www.gnu.org/s/m4/GPLv3orlater
GPLv2orlater
MacchangerIs a utility to manipulate a MAC addresshttps://www.gnu.org/software/macchangerGPLv2orlater
GPLv3
MailmanManages discussion listshttps://www.gnu.org/software/mailman/GPLv2orlater
MailutilsUtilities and library for reading and serving mailhttp://mailutils.org/GPLv3orlater
LGPLv3orlater
MakeGenerates executables and other non-source programshttps://www.gnu.org/software/make/GPLv3orlater
MarstAlgol to C translatorhttps://www.gnu.org/software/marst/GPLv3orlater
MaverikVirtual reality micro kernelhttps://www.gnu.org/software/maverik/GPLv2
GPLv3orlater
McUnix file managerhttp://www.midnight-commander.org/GPLv3orlater
McronVixie cron replacementhttps://www.gnu.org/software/mcron/GPLv3orlater
McsimSimulation software for designing, analyzing and calibrating mathematical modelshttps://www.gnu.org/software/mcsim/GPLv3orlater
MdkEmulator and development environment for Knuth's MIX computerhttps://www.gnu.org/software/mdk/GPLv3
MediagoblinA way to share your media with the worldhttp://mediagoblin.org/AGPLv3orlater
MeltingNearest-neighbor compilation of nucleic acid hybridationhttps://www.ebi.ac.uk/biomodels/tools/melting/GPLv2orlater
MetahtmlProgramming language for the Webhttp://metahtml.sourceforge.net/GPLv2orlater
MgmtNext generation distributed, event-driven, parallel config management.https://github.com/purpleidea/mgmtGPLv3
MifluzFull text inverted index query libraryhttps://www.gnu.org/software/mifluz/GPLv3
MigInterface generator for the Hurdhttp://www.gnu.org/software/migGPLv2
MiscfilesCollection of various fileshttps://www.gnu.org/software/miscfilesGFDL
Mit-schemeMIT/GNU Scheme programming languagehttps://www.gnu.org/software/mit-scheme/GPLv2orlater
Mll2htmlConverts a mailing lists file to an HTML filehttp://www.gnu.org/software/mll2html/mll2html.htmlGPLv2orlater
MoeA powerful and user-friendly text editorhttps://www.gnu.org/software/moeGPLv3orlater
MottiMultiplayer, networked strategy gamehttps://www.gnu.org/software/motti/GPLv3orlater
MpcC library for the arithmetic of complex numbers with arbitrarily high precision and correct rounding of the resulthttp://mpc.multiprecision.org/LGPLv3orlater
MpfrMultiple-precision Floating-point library with correct rounding.http://www.mpfr.org/LGPLv3orlater
MtoolsLets Unix systems work with DOS fileshttp://www.gnu.org/software/mtoolsGPLv3orlater
Musean authoring and publishing environment for Emacshttps://gnu.org/s/emacs-muse/GPLv3orlater
NMISPowerful Network Performance Management Softwarehttp://www.opmantek.com
NanaLibrary for assertion checking and logging in GNU C/C++https://savannah.gnu.org/projects/nana/BSD 2Clause
NanoPico clone for *NIXhttp://www.nano-editor.org/GPLv3orlater
Nano-archimedesa quantum mechanical simulator which implements the single-body Wigner Monte Carlo methodhttp://www.nano-archimedes.com/GPLv3orlater
Nautilusfile manager for the GNOME desktophttps://wiki.gnome.org/Apps/NautilusGPLv2orlater
NcursesDisplays and updates text on text-only terminalshttp://dickey.his.com/ncurses/ncurses.htmlX11
NettleCryptographic libraryhttp://www.lysator.liu.se/~nisse/nettle/LGPLv3orlater
GPLv2
GPLv3
OASISA Novel GWAS Analysis Methodhttps://github.com/dr-saeed/OASISGPLv3orlater
OcradOCR program based on feature extractionhttps://www.gnu.org/software/ocradGPLv2orlater
Octal 2Free digital sound workstation for Unix-like systemshttp://www.gnu.org/software/octal/GPLv2
OctaveHigh-level language for numerical computationshttps://www.gnu.org/software/octave/GPLv3orlater
OleoLightweight spreadsheet programhttp://www.gnu.org/software/oleo/oleo.htmlGPLv2
OrcaScreen reader for Gnomehttps://wiki.gnome.org/Projects/OrcaLGPLv2.1orlater
OrgOutline-based notes management and organizer for Emacshttp://orgmode.org/GPLv3orlater
OrgadocHelps organize documentationhttps://www.gnu.org/software/orgadoc/GPLv2orlater
OsipLibrary supporting the Session Initiation Protocolhttps://www.gnu.org/software/osip/LGPL
PHP Class Wrapper for Stanford Part of Speech TaggerA PHP class for accessing Stanford's Java based Part of Speech Taggerhttp://charleshays.com/php-class-wrapper-for-stanford-part-of-speech-tagger/
PIPSConverts data between formatshttp://ftp.gnu.org/gnu/pips/GPLv2
PanoramaFramework for 3D graphics productionhttp://www.gnu.org/software/panoramaGPLv2
PaperclipsWebserver and dynamic content containerhttp://www.gnu.org/software/paperclips/GPLv2
Parallela shell tool for executing jobs in parallel using one or more computershttps://www.gnu.org/s/parallel/GPLv3orlater
PartedManipulates disk partitionshttps://www.gnu.org/software/partedGPLv3orlater
PatchApplies a patch to a filehttp://www.gnu.org/software/patch/GPLv2
PatchworkUtility for rapid patch development and submissionhttp://www.gnu.org/software/patchwork/GPLv2orlater
PaxutilsTool to manage file archiveshttp://www.gnu.org/software/paxutils/paxutils.htmlGPLv2
PcbPrinted Circuit Board layout toolhttp://pcb.geda-project.org/GPLv2orlater
PemGNU Personal Expenses Managerhttp://www.gnu.org/software/pem/GPLv3orlater
PexecExecute commands or shell scripts in parallel on a local or remote hosthttp://www.gnu.org/software/pexec/GPLv3orlater
Phantom homeHome automation systemhttps://www.gnu.org/software/phantom home/GPLv2orlater
Phantom securityHome security systemhttp://www.gnu.org/software/phantom.security/GPLv2orlater
PhpgrabcomicsRetrieves and saves comics from the Webhttp://www.baravalle.it/phpGrabComics/GPLv2orlater
PhpgroupwareGroupware suitehttp://savannah.gnu.org/projects/phpgroupware/GPLv2orlater
GPLv3orlater
PiesProgram Invocation and Execution Supervisorhttp://www.gnu.org.ua/software/pies/GPLv3orlater
PipoA GNU Bulletion Board Systemhttp://www.gnu.org/software/pipoGPLv2orlater
PlotutilsPlotting utilities and libraryhttps://www.gnu.org/software/plotutils/GPL
Pocmanages smartcard passwordshttp://www.gnu.org/software/poc/poc.htmlGPLv2orlater
PolyxmassMass spectrometric framework for simulation and analysis of mass spectrometric data of (bio-)polymershttp://www.gnu.org/software/polyxmassGPLv2orlater
PowerGuruPowerguru is a a monitoring, data logging, and remote control application for power generation products used for renewable energy.http://www.gnu.org/software/powerguru/GPLv2orlater
ProtoTools to find function prototypeshttp://www.oualline.com/sw/index.htmlPublicDomain
ProxyknifeValidate free proxies for users behind firewallshttp://www.gnu.org/software/proxyknifeGPLv3orlater
PsppStatistics packagehttps://www.gnu.org/s/pspp/GPLv3orlater
Psychosynthan interactive modular soft-synth.http://www.psychosynth.com/index.php/Main PageGPLv3orlater
Expat
PthGNU Portable Threads libraryhttp://www.gnu.org/software/pth/pth.htmlLGPL
PyconfigureConfigure and install Python software the GNU wayhttps://www.gnu.org/software/pyconfigureGPLv3orlater
SimplePermissiveNonWarranty
QexoXQuery to Java compilerhttp://gnu.org/software/qexoKawa
QueueBatch processing and local rsh replacement systemhttp://www.gnu.org/software/gnu-queue/GPLv2orlater
Ra language and environment for statistical computing and graphics.http://www.r-project.org/GPLv2orlater
LGPLv2.1
LGPLv2.1orlater
RadiusRemote authentication and accounting systemhttp://www.gnu.org/software/radius/radius.htmlGPLv3orlater
RcsVersion control and project management softwarehttps://www.gnu.org/software/rcs/GPLv3orlater
ReadlineLets users edit command lines as they are typed inhttps://cnswww.cns.cwru.edu/php/chet/readline/rltop.htmlGPLv3orlater
RecutilsTools and libraries to access human-editable text-based databaseshttps://www.gnu.org/software/recutilsGPLv3orlater
RefTeXa specialized package for support of labels, references, citations, and the indices in LaTeX.http://www.gnu.org/software/auctex/reftex.htmlGPLv3
RemotecontrolGNU remotecontrol is a web application serving as a management tool for multiple IP enabled HVAC thermostats (device), and other Building Automation devices. The purpose of GNU remotecontrol is to read from and write to multiple IP enabled thermostats.https://www.gnu.org/software/remotecontrol/AGPLv3orlater
RingDistributed and encrypted audio/video/text communication software building on SIPhttps://ring.cxGPLv3orlater
RosarioSISStudent Information Systemhttps://www.rosariosis.org/GPLv2
RottlogGNU log management utility.http://www.gnu.org/software/rottlogGPLv2orlater
GPLv3orlater
Rpgean engine for 2D role playing games.https://www.gnu.org/software/rpge/GPLv3orlater
GFDL
RushRestricted User Shell with sophisticated configuration files.http://puszcza.gnu.org.ua/software/rush/GPLv3orlater
SXMLDefines and implements a mark-up languagehttp://www.gnu.org/software/sxml/GPLv2orlater
SatherObject-oriented languagehttps://www.gnu.org/software/sather/GPLv3orlater
ScmR5RS Scheme implementationhttps://people.csail.mit.edu/jaffer/SCMLGPL
ScreenMulti-screen window managerhttps://www.gnu.org/software/screenGPLv3orlater
SedA stream-oriented non-interactive text editorhttps://www.gnu.org/software/sed/GPLv3orlater
ServeezServer frameworkhttps://www.gnu.org/software/serveez/GPLv3orlater
ServletapiAn extensible framework for building web applications.https://www.gnu.org/software/classpathx/GPLv3
SharutilsCreates and helps unpack shell archiveshttps://www.gnu.org/s/sharutils/GPLv3orlater
ShellutilsCommand line utilitieshttps://www.gnu.org/software/coreutils/coreutils.htmlGPLv2orlater
ShishiFree implementation of the Kerberos 5 network security systemhttps://www.gnu.org/s/shishi/GPLv3orlater
Shmmaccess all shared memoryhttp://gnu.org/software/shmmGPLv3orlater
ShtoolThe GNU portable shell toolhttp://www.gnu.org/software/shtool/GPLv2orlater
Sipwitcha pure SIP-based office telephone call server that offers generic business telephone system features.https://www.gnu.org/s/sipwitch/GPLv3orlater
SlibPortable scheme libraryhttps://people.csail.mit.edu/jaffer/SLIBSimplePermissiveNonWarranty
SmalltalkImplementation of the Smalltalk object oriented languagehttp://smalltalk.gnu.org/GPLv2orlater
SmarteiffelEiffel compilerhttp://smarteiffel.loria.fr/GPLv2
SocialGNU social implements the OStatus standard for decentralized social networking.https://gnu.io/social/AGPLv3orlater
SolfegeEartraining program for GNOMEhttps://www.gnu.org/software/solfege/GPLv2orlater
GPLv3orlater
SourceinstallGraphical tool for source package configuration, installation, tracking and removalhttp://www.gnu.org/software/sourceinstallGPLv3orlater
SovixPHP-based, semantic website revision systemhttp://savannah.gnu.org/projects/sovix/GPLv3orlater
GFDL
AGPLv3orlater
SpacechartDisplays the stars in space in 3Dhttp://www.gnu.org/software/spacechart/GPLv2orlater
SpeexSpeech compression formathttp://www.gnu.org/software/speex/Xiph
SpellSpell checkerhttp://savannah.gnu.org/projects/spell/GPLv2orlater
SqltutorInteractive web based tool for learning SQL by exampleshttp://www.gnu.org/software/sqltutor/GPLv3orlater
Src-highliteTurns source code into a file with syntax highlightinghttp://www.gnu.org/software/src-highlite/GPLv2orlater
GPLv3orlater
StowManages installation processhttp://www.gnu.org/software/stow/GPLv2orlater
SuperoptFinds the shortest instruction sequence for a given functionhttp://gnu.org/software/superoptGPLv2orlater
SwbisExtensions to the POSIX packaging standardhttp://www.gnu.org/software/swbis/GPLv3orlater
TalkfiltersTranslates English text into dialectshttp://www.hyperrealm.com/main.php?s=talkfiltersGPLv2orlater
TarCreates tar archiveshttps://www.gnu.org/software/tar/GPLv3orlater
TermcapA library for sending terminal control codeshttp://www.gnu.org/software/termutils/GPLv2orlater
TermutilsPrograms for controlling terminalshttp://www.gnu.org/software/termutils/termutils.htmlGPLv2orlater
TexinfoProduces manuals, ASCII text, and on-line documentationhttp://www.gnu.org/software/texinfo/GPLv3orlater
TexmacsScientific text editorhttp://www.texmacs.org/GPLv3
TextutilsText utilitieshttps://www.gnu.org/software/textutils/GPLv2orlater
Thalesdoctest-like system for GNU Guilehttps://www.gnu.org/software/thalesGPLv3
The GNU Objective C Class LibraryThe GNU Objective C Class Library (libobjects) is a library of general-purpose, non-graphical Objective C objectshttp://www.cs.rochester.edu/u/mccallum/libobjects/GPLv2orlater
The mneme projecta constituent management system for nonprofitshttp://themnemeproject.org/GPLv3
TimeReports the user, system, and real time used by a processhttps://www.gnu.org/software/time/GPLv3orlater
ToutDouxProject managerhttp://www.gnu.org/software/toutdoux/GPLv2orlater
TrampRemote file editing softwarehttp://www.gnu.org/software/tramp/GPLv3orlater
TrueprintPretty-print C sources and other plain text to PostScripthttps://www.gnu.org/software/trueprint/GPLv2
UnifontUnicode font and utilitieshttp://www.unifoundry.comGPLv3orlater
GPLv2orlater
UnitsUnit conversion and calculationhttps://www.gnu.org/software/units/GPLv3orlater
UnrtfConverts from RTF to other formatshttp://www.gnu.org/software/unrtf/unrtf.htmlGPLv3
UservSecurity boundary toolhttp://www.gnu.org/software/userv/GPLv2orlater
UucpFile copying programhttps://www.gnu.org/software/uucp/GPLv2
VCD ImagerFree software (Super) video CD authoring solutionhttps://www.gnu.org/software/vcdimager/GPLv2orlater
Vc-dwima version-control-agnostic ChangeLog diff and commit tool.https://www.gnu.org/software/vc-dwim/GPLv3orlater
VeraV.E.R.A. Virtual Entity of Relevant Acronymshttps://www.gnu.org/software/vera/GFDL
VmslibGNU vmslib is a bunch of files and small routines that can help people to port GNU programs to VMShttp://www.gnu.org/software/vmslib/GPLv2orlater
W3Fully customizable, largely undocumented web browser for Emacshttp://elpa.gnu.org/packages/w3.htmlGPLv2
WbDisk based, sorted associative array C libraryhttp://people.csail.mit.edu/jaffer/WBGPLv2orlater with exception
LGPLv3orlater
WdiffFront end to GNU 'diff'https://www.gnu.org/software/wdiff/GPLv3
WebSocket4Ja WebSocket protocol implementation in Java.http://gnu.org/software/websocket4jGPLv2orlater with exception
GFDL
WgetRetrieves files from the Webhttps://www.gnu.org/software/wget/GPLv3orlater with exception
WhichPrints out full path of execuatbleshttp://carlowood.github.io/which/index.htmlGPLv3orlater
Window MakerWindow manager for X Window Systemhttp://windowmaker.org/GPLv2orlater
WombRepository for homeless codehttp://savannah.gnu.org/projects/womb/GPLv2orlater
XaosReal-time fractal zoomerhttp://matek.hu/xaos/GPLv2orlater
XboardGraphical chessboardhttps://www.gnu.org/software/xboard/GPLv3orlater
XhippoPlaylist managerhttps://www.gnu.org/software/xhippo/GPLv3orlater
XlogmasterMonitors logfiles and deviceshttps://www.gnu.org/software/xlogmaster/GPLv3orlater
XneeRecords, distributes, and replays X11 protocol datahttps://www.gnu.org/software/xneeGPLv3orlater
Xorrisomaps file objectshttps://gnu.org/s/xorriso/GPLv3orlater
ZebraImplementation of routing protocolshttp://gnu.org/software/zebraGPLv2

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