A number of notable software packages were developed for, or are maintained by, the

Free Software Foundation The Free Software Foundation (FSF) is a 501(c)(3) non-profit organization founded by Richard Stallman on October 4, 1985. The organisation supports the free software movement, with the organization's preference for software being distributed ...

as part of the

GNU Project The GNU Project ( ) is a free software, mass collaboration project announced by Richard Stallman on September 27, 1983. Its goal is to give computer users freedom and control in their use of their computers and Computer hardware, computing dev ...

General aspects of GNU packages

Summarising the situation in 2013,

Richard Stallman Richard Matthew Stallman ( ; born March 16, 1953), also known by his initials, rms, is an American free software movement activist and programmer. He campaigns for software to be distributed in such a manner that its users have the freedom to ...

identified nine aspects which generally apply to being a GNU package, but he noted that exceptions and flexibility are possible when there are good reasons: # The package should say that it is a GNU package. # It should be distributed via ftp.gnu.org, or another site offering access to everyone. # The package's homepage should be on the GNU website. # The developers must pay attention to making their software work well with other GNU packages. # Documentation should be in

Texinfo Texinfo is a typesetting syntax used for generating documentation in both on-line and printed form (creating filetypes as , , , etc., and a specific hypertext format, ) with a single source file. It is implemented by a computer program released as ...

format, or in a format easily convertible to Texinfo. # Should use

GNU Guile GNU Ubiquitous Intelligent Language for Extensions (GNU Guile) is the preferred extension language system for the GNU Project and features an implementation of the programming language Scheme. Its first version was released in 1993. In additio ...

for its extension language, but exceptions are explicitly possible in this regard. # Should not recommend any non-free program, nor refer the user to any non-free documentation or non-free software. # Use GNU terminology, including referring to ''

GNU/Linux Linux ( ) is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991, by Linus Torvalds. Linux is typically packaged as a Linux distribution (distro), whic ...

systems'' and ''free software'' in situations where other observers would write ''Linux'' and ''open source''. # The maintainer should be contactable, at least infrequently, to discuss problems in the software or fixing compatibility issues.

Base system

There is no official "base system" of the

GNU operating system GNU ( ) is an extensive collection of free software (394 packages ), which can be used as an operating system or can be used in parts with other operating systems. The use of the completed GNU tools led to the family of operating systems popu ...

. GNU was designed to be a replacement for

Unix Unix (, ; trademarked as UNIX) is a family of multitasking, multi-user computer operating systems that derive from the original AT&T Unix, whose development started in 1969 at the Bell Labs research center by Ken Thompson, Dennis Ritchie, a ...

operating systems of the 1980s and used the

POSIX The Portable Operating System Interface (POSIX; ) is a family of standards specified by the IEEE Computer Society for maintaining compatibility between operating systems. POSIX defines application programming interfaces (APIs), along with comm ...

standards as a guide, but either definition would give a much larger "base system". The following list is instead a small set of GNU packages which seem closer to being "core" packages than being in any of the further down sections. Inclusions (such as

plotutils GNU plotutils is a set of free software command-line tools and software libraries for generating 2D plot graphics based on data sets. It is used in projects such as PSPP and UMLgraph, and in many areas of academic research, and is included i ...

) and exclusions (such as the

C standard library The C standard library, sometimes referred to as libc, is the standard library for the C (programming language), C programming language, as specified in the ISO C standard.International Organization for Standardization, ISO/International Electrote ...

) are of course debatable.

Notes

Software development

The software listed below is generally useful to

software developers A programmer, computer programmer or coder is an author of computer source code someone with skill in computer programming. The professional titles Software development, ''software developer'' and Software engineering, ''software engineer' ...

and other

computer programmers A programmer, computer programmer or coder is an author of computer source code someone with skill in computer programming. The professional titles ''software developer'' and ''software engineer'' are used for jobs that require a progr ...

GNU toolchain

GNU Binutils The GNU Binary Utilities, or , is a collection of programming tools maintained by the GNU Project for working with executable code including assembly, linking and many other development operations. The tools are originally from Cygnus Solut ...

– contains the GNU assembler (as) and the GNU linker (ld) * GNU Bison –

parser generator In computer science, a compiler-compiler or compiler generator is a programming tool that creates a parser, interpreter, or compiler from some form of formal description of a programming language and machine. The most common type of compiler- ...

intended to replace

yacc Yacc (Yet Another Compiler-Compiler) is a computer program for the Unix operating system developed by Stephen C. Johnson. It is a lookahead left-to-right rightmost derivation (LALR) parser generator, generating a LALR parser (the part of a co ...

GNU build system The GNU Autotools, also known as the GNU Build System, is a suite of build automation tools designed to support building source code and packaging the resulting binaries. It supports building a codebase for multiple target systems without custom ...

(autotools) – contains

Autoconf GNU Autoconf is a software development tool for generating a configure script that in turn generates files for building a codebase and for packaging or installing the resulting files. Autoconf is part of the GNU Build System along with Autom ...

Automake GNU Automake is a software development tool to automate parts of the compilation process. It eases common compilation problems. For example, it points to needed dependencies. It automatically generates one or more ''Makefile.in'' from files call ...

, Autoheader, and

Libtool GNU Libtool is a software development tool, part of the GNU build system, consisting of a shell script created to address the Software_portability#Effort_to_port_source_code, software portability problem when Compiler, compiling Shared_library# ...

GNU Compiler Collection The GNU Compiler Collection (GCC) is a collection of compilers from the GNU Project that support various programming languages, Computer architecture, hardware architectures, and operating systems. The Free Software Foundation (FSF) distributes ...

– optimizing

compiler In computing, a compiler is a computer program that Translator (computing), translates computer code written in one programming language (the ''source'' language) into another language (the ''target'' language). The name "compiler" is primaril ...

for many

programming language A programming language is a system of notation for writing computer programs. Programming languages are described in terms of their Syntax (programming languages), syntax (form) and semantics (computer science), semantics (meaning), usually def ...

s, including C, C++, Fortran,

Ada Ada may refer to: Arts and entertainment * '' Ada or Ardor: A Family Chronicle'', a novel by Vladimir Nabokov Film and television * Ada, a character in 1991 movie '' Armour of God II: Operation Condor'' * '' Ada... A Way of Life'', a 2008 Bollywo ...

, and

Java Java is one of the Greater Sunda Islands in Indonesia. It is bordered by the Indian Ocean to the south and the Java Sea (a part of Pacific Ocean) to the north. With a population of 156.9 million people (including Madura) in mid 2024, proje ...

GNU Debugger The GNU Debugger (GDB) is a portable debugger that runs on many Unix-like systems and works for many programming languages, including Ada, Assembly, C, C++, D, Fortran, Haskell, Go, Objective-C, OpenCL C, Modula-2, Pascal, Rust, and par ...

(gdb) – an advanced

debugger A debugger is a computer program used to test and debug other programs (the "target" programs). Common features of debuggers include the ability to run or halt the target program using breakpoints, step through code line by line, and display ...

* GNU m4 – macro processor *

GNU make In software development, Make is a command-line interface software tool that performs actions ordered by configured dependencies as defined in a configuration file called a ''makefile''. It is commonly used for build automation to build executa ...

– Make program for GNU

Other libraries and frameworks

The following

libraries A library is a collection of Book, books, and possibly other Document, materials and Media (communication), media, that is accessible for use by its members and members of allied institutions. Libraries provide physical (hard copies) or electron ...

and

software framework In computer programming, a software framework is a software abstraction that provides generic functionality which developers can extend with custom code to create applications. It establishes a standard foundation for building and deploying soft ...

s are often used in combination with the basic toolchain tools above to build software. (For libraries specifically designed to implement GUI desktops, see Graphical desktop.) * BFD – object file library *

DotGNU DotGNU is a decommissioned part of the GNU Project that started in January 2001 and aimed to provide a free software replacement for Microsoft's .NET Framework. The DotGNU project was run by the Free Software Foundation. Other goals of the proj ...

– replacement for

Microsoft .NET The Microsoft .NET strategy is a marketing plan that Microsoft followed in the early 2000s. Steve Ballmer described it as the company's "most ambitious undertaking since Internet Strategy Day in 1995". In support of this strategy, between 2000 an ...

GNU C Library The GNU C Library, commonly known as glibc, is the GNU Project implementation of the C standard library. It provides a wrapper around the system calls of the Linux kernel and other kernels for application use. Despite its name, it now also dir ...

(glibc) –

-compliant

C library The C standard library, sometimes referred to as libc, is the standard library for the C programming language, as specified in the ISO C standard.ISO/ IEC (2018). '' ISO/IEC 9899:2018(E): Programming Languages - C §7'' Starting from the origina ...

GNU Classpath GNU Classpath is a free software implementation of the standard class library for the Java programming language. Most classes from J2SE 1.4 and 5.0 are implemented. Classpath can thus be used to run Java-based applications. GNU Classpath is a ...

– libraries for

* GNU FriBidi – a library that implements

Unicode Unicode or ''The Unicode Standard'' or TUS is a character encoding standard maintained by the Unicode Consortium designed to support the use of text in all of the world's writing systems that can be digitized. Version 16.0 defines 154,998 Char ...

Bidirectional Algorithm A bidirectional text contains two text directionalities, right-to-left (RTL) and left-to-right (LTR). It generally involves text containing different types of alphabets, but may also refer to boustrophedon, which is changing text direction in ea ...

* GNU ease.js – A Classical

Object-Oriented Object-oriented programming (OOP) is a programming paradigm based on the concept of '' objects''. Objects can contain data (called fields, attributes or properties) and have actions they can perform (called procedures or methods and impleme ...

framework for

JavaScript JavaScript (), often abbreviated as JS, is a programming language and core technology of the World Wide Web, alongside HTML and CSS. Ninety-nine percent of websites use JavaScript on the client side for webpage behavior. Web browsers have ...

GNU gettext In computing, gettext is an internationalization and localization (i18n and l10n) system commonly used for writing multilingual programs on Unix-like computer operating systems. One of the main benefits of gettext is that it separates programmi ...

– internationalization library *

Gnulib Gnulib, also called the GNU portability library, is a collection of software subroutines which are designed to be usable on many operating systems. The goal of the project is to make it easy for free software authors to make their software run o ...

– portability library designed for use with the GNU build system *

GNU libmicrohttpd GNU ( ) is an extensive collection of free software (394 packages ), which can be used as an operating system or can be used in parts with other operating systems. The use of the completed GNU tools led to the family of operating systems popu ...

– embeddable

HTTP HTTP (Hypertext Transfer Protocol) is an application layer protocol in the Internet protocol suite model for distributed, collaborative, hypermedia information systems. HTTP is the foundation of data communication for the World Wide Web, wher ...

server *

GNU lightning GNU lightning is a free-software library for generating assembly language code at run-time. Version 2.1.3, released in September 2019, supports backends for SPARC (32-bit), x86 (32- and 64-bit), MIPS, ARM (32- and 64-bit), ia64, HPPA, PowerPC ...

–

just-in-time compilation In computing, just-in-time (JIT) compilation (also dynamic translation or run-time compilations) is compilation (of computer code) during execution of a program (at run time) rather than before execution. This may consist of source code transl ...

for generating machine language * GNU oSIP –

Session Initiation Protocol The Session Initiation Protocol (SIP) is a signaling protocol used for initiating, maintaining, and terminating communication sessions that include voice, video and messaging applications. SIP is used in Internet telephony, in private IP telepho ...

library to implement VoIP applications *

GNU Portable Threads GNU Pth (Portable Threads) is a POSIX/ANSI- C based user space thread library for UNIX platforms that provides priority-based scheduling for multithreading applications. GNU Pth targets for a high degree of portability. It is part of the GNU Pr ...

(pth) – software threads for

-compatible operating systems

Other compilers and interpreters

The following packages provide compilers and interpreters for programming languages beyond those included in the

. *

CLISP CLISP is an implementation of the programming language Common Lisp originally developed by Bruno Haible and Michael Stoll for the Atari ST. Today it supports the Unix and Microsoft Windows operating systems. CLISP includes an interpreter, a bytec ...

–

ANSI The American National Standards Institute (ANSI ) is a private nonprofit organization that oversees the development of voluntary consensus standards for products, services, processes, systems, and personnel in the United States. The organiz ...

Common Lisp Common Lisp (CL) is a dialect of the Lisp programming language, published in American National Standards Institute (ANSI) standard document ''ANSI INCITS 226-1994 (S2018)'' (formerly ''X3.226-1994 (R1999)''). The Common Lisp HyperSpec, a hyperli ...

implementation (compiler, debugger, and interpreter) * Gawk – GNU awk implementation *

GnuCOBOL GnuCOBOL (formerly known as OpenCOBOL, and briefly as GNU Cobol) is a free implementation of the COBOL programming language that is part of the GNU project. GnuCOBOL translates the COBOL code into C and then compiles it using the native C co ...

–

COBOL COBOL (; an acronym for "common business-oriented language") is a compiled English-like computer programming language designed for business use. It is an imperative, procedural, and, since 2002, object-oriented language. COBOL is primarily ...

compiler *

GNU Common Lisp GNU Common Lisp (GCL) is the GNU Project's ANSI Common Lisp compiler, an evolutionary development of Kyoto Common Lisp. It produces native object code by first generating C code and then calling a C compiler. GCL is the implementation of cho ...

– implementation of

- embeddable implementation for the

Scheme programming language Scheme is a dialect of the Lisp family of programming languages. Scheme was created during the 1970s at the MIT Computer Science and Artificial Intelligence Laboratory (MIT CSAIL) and released by its developers, Guy L. Steele and Gerald Jay Su ...

GNU MDK GNU ( ) is an extensive collection of free software (394 packages ), which can be used as an operating system or can be used in parts with other operating systems. The use of the completed GNU tools led to the family of operating systems popu ...

– a development kit for programming in MIX *

GNU Pascal GNU Pascal (GPC) is a Pascal programming language, Pascal compiler composed of a frontend to GNU Compiler Collection (GCC), similar to the way Fortran and other languages were added to GCC. GNU Pascal is International Organization for Standardizat ...

– Pascal compiler *

GNU Smalltalk GNU Smalltalk is an implementation of the Smalltalk programming language by the GNU Project. The implementation, unlike other Smalltalk environments, uses text files for program input and interprets the contents as Smalltalk code. In this way, G ...

–

Smalltalk Smalltalk is a purely object oriented programming language (OOP) that was originally created in the 1970s for educational use, specifically for constructionist learning, but later found use in business. It was created at Xerox PARC by Learni ...

-98 implementation (interpreter and class library) *

MIT/GNU Scheme MIT/GNU Scheme is a programming language, a dialect and implementation of the language Scheme, which is a dialect of Lisp. It can produce native binary files for the x86 (IA-32, x86-64) processor architecture. It supports the R7RS-small standard. I ...

– interpreter, compiler and library for the

developed at

MIT The Massachusetts Institute of Technology (MIT) is a private research university in Cambridge, Massachusetts, United States. Established in 1861, MIT has played a significant role in the development of many areas of modern technology and sc ...

SmartEiffel SmartEiffel was GNU's free and open-source compiler for the programming language Eiffel, provided with associated tools, libraries and classes. GNU has continued to support a free license Eiffel via a new project, LibertyEiffel. The compiler t ...

– GNU

Eiffel Eiffel may refer to: Places * Eiffel Tower, in Paris, France, designed by Gustave Eiffel *:* Champ de Mars – Tour Eiffel station, Metro station serving the Eiffel Tower * Eiffel Bridge, Ungheni, Moldova, designed by Gustave Eiffel * Eiffel Bri ...

compiler * Gforth — GNU

Forth Forth or FORTH may refer to: Arts and entertainment * ''forth'' magazine, an Internet magazine * ''Forth'' (album), by The Verve, 2008 * ''Forth'', a 2011 album by Proto-Kaw * Radio Forth, a group of independent local radio stations in Scotl ...

compiler

Other developer tools

Data Display Debugger Data Display Debugger (GNU DDD) is a graphical user interface (using the Motif toolkit) for command-line debuggers such as GDB, DBX, JDB, HP Wildebeest Debugger, XDB, the Perl debugger, the Bash debugger, the Python debugger, and the GNU Mak ...

–

debugger front-end A debugger is a computer program used to software testing, test and debugging, debug other programs (the "target" programs). Common features of debuggers include the ability to run or halt the target program using breakpoints, stepping (debuggin ...

for several debuggers (ddd) *

GNU arch GNU arch software is a distributed revision control system that is part of the GNU Project and licensed under the GNU General Public License. It is used to keep track of the changes made to a source tree and to help programmers combine and other ...

– distributed revision control system (deprecated in favor of GNU Bazaar) * GNU AutoGen – active tier-style tool for automated code generation *

GNU Bazaar GNU Bazaar (formerly Bazaar-NG, command line tool bzr) is a distributed and client–server revision control system sponsored by Canonical. Bazaar can be used by a single developer working on multiple branches of local content, or by team ...

– distributed revision control system *

GNU cflow GNU cflow is a flow graph generator that is part of the GNU Project. It reads a collection of C source files and generates a C flow graph of external references. It uses only sources and does not need to run the program. History It was initia ...

– generates C flow graphs * GNU cppi – indents

C preprocessor The C preprocessor (CPP) is a text file processor that is used with C, C++ and other programming tools. The preprocessor provides for file inclusion (often header files), macro expansion, conditional compilation, and line control. Although ...

directives in files to reflect their nesting * GNU Fontutils – font management utilities * GNU gperf – perfect hash function generator * GNU indent – program to indent C and C++ source code * GNU complexity – measures the complexity of C source code * GNUnited Nations - program for the translation of html files.

User applications

The software listed below is generally useful to users not specifically engaged in software development.

Graphical desktop

The following packages provide

GUI Gui or GUI may refer to: People Surname * Gui (surname), an ancient Chinese surname, ''xing'' * Bernard Gui (1261 or 1262–1331), inquisitor of the Dominican Order * Luigi Gui (1914–2010), Italian politician * Gui Minhai (born 1964), Ch ...

desktop environment In computing, a desktop environment (DE) is an implementation of the desktop metaphor made of a bundle of programs running on top of a computer operating system that share a common graphical user interface (GUI), sometimes described as a graphi ...

window manager A window manager is system software that controls the placement and appearance of window (computing), windows within a windowing system in a graphical user interface. Most window managers are designed to help provide a desktop environment. They ...

s, and associated graphics libraries. *

GNUstep GNUstep is a free software implementation of the Cocoa (formerly OpenStep) Objective-C frameworks, widget toolkit, and application development tools for Unix-like operating systems and Microsoft Windows. It is part of the GNU Project. GNUst ...

– implementation of the

Cocoa Cocoa may refer to: Chocolate * Chocolate * ''Theobroma cacao'', the cocoa tree * Cocoa bean, seed of ''Theobroma cacao'' * Chocolate liquor, or cocoa liquor, pure, liquid chocolate extracted from the cocoa bean, including both cocoa butter and ...

OpenStep OpenStep is an object-oriented application programming interface (API) specification developed by NeXT. It provides a framework for building graphical user interfaces (GUIs) and developing software applications. OpenStep was designed to be plat ...

libraries and development tools for graphical applications *

Window Maker GNUstep is a free software implementation of the Cocoa (formerly OpenStep) Objective-C frameworks, widget toolkit, and application development tools for Unix-like operating systems and Microsoft Windows. It is part of the GNU Project. GNUste ...

– window manager for the GNUstep environment

General system administration

* GNU Accounting Utils – set of utilities providing statistics on users and processes (last, ac, accton, lastcomm, sa, dump-utmp, dump-acct) * GNU ddrescue – data recovery tool *

GNU Emacs GNU Emacs is a text editor and suite of free software tools. Its development began in 1984 by GNU Project founder Richard Stallman, based on the Emacs editor developed for Unix operating systems. GNU Emacs has been a central component of the GNU ...

– implementation of

Emacs Emacs (), originally named EMACS (an acronym for "Editor Macros"), is a family of text editors that are characterized by their extensibility. The manual for the most widely used variant, GNU Emacs, describes it as "the extensible, customizable, s ...

editor * GNU fcrypt – on-the-fly encryption *

GNU Guix GNU Guix (; portmanteau of Guile and Nix) is a functional cross-platform package manager and a tool to instantiate and manage Unix-like operating systems, based on the Nix package manager. Configuration and package recipes are written in Guile ...

– package manager * GNU libextractor – metadata extraction library and tool * GNU Midnight Commander –

text-based In computing, text-based user interfaces (TUI) (alternately terminal user interfaces, to reflect a dependence upon the properties of computer terminals and not just text), is a retronym describing a type of user interface (UI) common as an ear ...

Orthodox file manager & FTP client *

Mtools Mtools is a free software collection of utilities to allow a Unix operating system to manipulate files on an MS-DOS file system, typically a floppy disk or floppy disk image. The mtools are part of the GNU Project and are released under the GNU G ...

− collection of tools to edit MS-DOS floppy disks *

GNU nano GNU nano is a text editor for Unix-like computing systems or operating environments using a command line interface. It emulates the Pico text editor, part of the Pine email client, and also provides additional functionality. Unlike Pico, nano i ...

– text editor *

GNU parallel GNU parallel is a command-line utility for Linux and other Unix-like operating systems which allows the user to execute shell scripts or commands in parallel. GNU parallel is free software, written by Ole Tange in Perl. It is available under t ...

– shell tool for executing jobs in parallel *

GNU Parted GNU Parted (from '' GNU partition editor'') is a free partition editor, used for creating and deleting partitions. This is useful for creating space for new operating systems, reorganising hard disk usage, copying data between hard disks, and ...

– hard drive partitioning program *

GNU Privacy Guard GNU Privacy Guard (GnuPG or GPG) is a free-software replacement for Symantec's cryptographic software suite PGP. The software is compliant with the now obsoleted , the IETF standards-track specification of OpenPGP. Modern versions of PGP are ...

–

PGP PGP or Pgp may refer to: Science and technology * P-glycoprotein, a type of protein * Pelvic girdle pain, a pregnancy discomfort * Personal Genome Project, to sequence genomes and medical records * Pretty Good Privacy, a computer program for the ...

encryption replacement * GNU Privacy Assistant, a graphical frontend to

* GNU Stow – managing the installation of software packages *

pexec pexec is a command-line utility for Linux and other Unix-like operating systems which allows the user to execute shell commands in parallel. The specified code can be executed either locally or on remote hosts, in which case ssh is used to buil ...

– shell tool for executing jobs in parallel

Database

* GnowSys – kernel for semantic computing (a distributed agent oriented knowledge base.) * GNU dbm (GDBM) * GNU Ferret – Free Entity Relationship and Reverse Engineering Tool, an SQL database designer

Scientific software

* GNU Archimedes – TCAD software for

semiconductor device A semiconductor device is an electronic component that relies on the electronic properties of a semiconductor material (primarily silicon, germanium, and gallium arsenide, as well as organic semiconductors) for its function. Its conductivit ...

simulations * GNU Astronomy Utilities (Gnuastro) – Programs and libraries for astronomical data manipulation and analysis * GNU Circuit Analysis Package (Gnucap) – GNU Circuit Analysis Package * GNU datamash – programming language and command line utility for statistical computing * GNU Electric – EDA software used to draw

schematic A schematic, or schematic diagram, is a designed representation of the elements of a system using abstract, graphic symbols rather than realistic pictures. A schematic usually omits all details that are not relevant to the key information the sc ...

s and to do

integrated circuit An integrated circuit (IC), also known as a microchip or simply chip, is a set of electronic circuits, consisting of various electronic components (such as transistors, resistors, and capacitors) and their interconnections. These components a ...

layout * GNU

MCSim GNU MCSim is a suite of simulation software. It allows users to design statistical or simulation models, perform Monte Carlo simulations, and Bayesian inference through (tempered) Markov chain Monte Carlo (MCMC) simulations. The latest version a ...

– simulation and statistical inference tool for algebraic or differential equation systems *

GNU Multi-Precision Library GNU ( ) is an extensive collection of free software (394 packages ), which can be used as an operating system or can be used in parts with other operating systems. The use of the completed GNU tools led to the family of operating systems popu ...

(GMP) – arbitrary precision numerical calculation programming library *

GNU Octave GNU Octave is a scientific programming language for scientific computing and numerical computation. Octave helps in solving linear and nonlinear problems numerically, and for performing other numerical experiments using a language that is mostly ...

– program for numerical computations, similar to

MATLAB MATLAB (an abbreviation of "MATrix LABoratory") is a proprietary multi-paradigm programming language and numeric computing environment developed by MathWorks. MATLAB allows matrix manipulations, plotting of functions and data, implementat ...

GNU Scientific Library The GNU Scientific Library (or GSL) is a software library for numerical computations in applied mathematics and science. The GSL is written in C (programming language), C; wrappers are available for other programming languages. The GSL is part of ...

(GSL) – Numeric analysis library. *

GNU Units GNU Units is a cross-platform computer program for conversion of units of quantities. It has a database of measurement units, including esoteric and historical units. This for instance allows conversion of velocities specified in furlongs per for ...

– unit conversion * R – programming language and software environment for statistical computing and graphics *

PSPP PSPP is a free software application for analysis of sampled data, intended as a free alternative for IBM SPSS Statistics. It has a graphical user interface and conventional command-line interface. It is written in C and uses GNU Scientific L ...

– statistical program, similar to

SPSS SPSS Statistics is a statistical software suite developed by IBM for data management, advanced analytics, multivariate analysis, business intelligence, and criminal investigation. Long produced by SPSS Inc., it was acquired by IBM in 2009. Versi ...

* XaoS – fractal zoomer

Internet

* Dld — performs dynamic link editing *

Jami Nūr ad-Dīn 'Abd ar-Rahmān Jāmī (; 7 November 1414 – 9 November 1492), also known as Mawlanā Nūr al-Dīn 'Abd al-Rahmān or Abd-Al-Rahmān Nur-Al-Din Muhammad Dashti, or simply as Jami or Djāmī and in Turkey as Molla Cami, was a ...

(formerly GNU Ring) – a free softphone and videocall software, a drop-in replacement for

Skype Skype () was a proprietary telecommunications application operated by Skype Technologies, a division of Microsoft, best known for IP-based videotelephony, videoconferencing and voice calls. It also had instant messaging, file transfer, ...

* GNU Alexandria – uses GNU Bayonne to provide access to electronic content and services for the blind over the public telephone network * GNU Anubis – outgoing mail processor that sits between the

Mail User Agent The mail or post is a system for physically transporting postcards, letters, and parcels. A postal service can be private or public, though many governments place restrictions on private systems. Since the mid-19th century, national postal sy ...

and the

Mail Transport Agent Within the Internet email system, a message transfer agent (MTA), mail transfer agent, or mail relay is software that transfers electronic mail messages from one computer to another using the Simple Mail Transfer Protocol. In some contexts, the a ...

* GNU FM – federated music community platform, most commonly associated with Libre.fm *

GNU Mailman GNU Mailman is a computer software application from the GNU Project for managing electronic mailing lists. Mailman is coded primarily in Python and currently maintained by Abhilash Raj. Mailman is free software, licensed under the GNU General Pu ...

– electronic mailing list management * GNU Mailutils – utilities for electronic mail handling (includes ao. implementations of

mail The mail or post is a system for physically transporting postcards, letter (message), letters, and parcel (package), parcels. A postal service can be private or public, though many governments place restrictions on private systems. Since the mid ...

movemail movemail is a computer program by the GNU Project that moves mail from a user's Unix mailspool to another file. It is part of GNU Mailutils. A compromising of movemail was the backbone of the hack described in '' The Cuckoo's Egg'' by which Marku ...

& mh) * GNU MediaGoblin – decentralized media sharing * GNU Artanis – Web Application Framework *

GNU Social GNU social (and its predecessor StatusNet) is a largely defunct free and open-source microblogging social networking service that implements the OStatus and ActivityPub standards for interoperability between installations. While offering similar f ...

–

distributed social network A distributed social network (more recently referred to as a federated social network) is a network wherein all participating social networking services can communicate with each other through a unified communication protocol. Users that reside ...

that is the continuation of the StatusNet codebase * Gnu Sovix –

PHP PHP is a general-purpose scripting language geared towards web development. It was originally created by Danish-Canadian programmer Rasmus Lerdorf in 1993 and released in 1995. The PHP reference implementation is now produced by the PHP Group. ...

-based website revision system * GNU

wget GNU Wget (or just Wget, formerly Geturl, also written as its package name, wget) is a computer program that retrieves content from web servers. It is part of the GNU Project. Its name derives from "World Wide Web" and " ''get''", a HTTP reque ...

– advanced file retrieval from networks and the Internet *

GNUnet GNUnet is a software framework for decentralized, peer-to-peer networking and an official GNU package. The framework offers link encryption, peer discovery, resource allocation, communication over many transports (such as TCP, UDP, HTTP, ...

– decentralized, peer-to-peer communication network designed to be resistant to censorship *

Gnuzilla GNU IceCat, formerly known as GNU IceWeasel, is a completely free version of the Mozilla Firefox web browser distributed by the GNU Project. It is compatible with Linux, Windows, Android and macOS. IceCat is released as a part of GNUzilla, GN ...

– version of the

Mozilla Application Suite The Mozilla Application Suite (originally known as Mozilla, marketed as the Mozilla Suite) is a discontinued cross-platform integrated Internet suite. Its development was initiated by Netscape Communications Corporation, before their acquisition ...

containing

free software Free software, libre software, libreware sometimes known as freedom-respecting software is computer software distributed open-source license, under terms that allow users to run the software for any purpose as well as to study, change, distribut ...

only (includes GNU IceCat web-browser) * lsh – implementation of the

Secure Shell The Secure Shell Protocol (SSH Protocol) is a cryptographic network protocol for operating network services securely over an unsecured network. Its most notable applications are remote login and command-line execution. SSH was designed for ...

(SSH) protocol version 2 * GNU LibreJS – a browser add-on that detects and blocks non-free and non-trivial

GNU Taler GNU Taler is a free software-based microtransaction and electronic payment system. Unlike most other decentralized payment systems, GNU Taler does not use a blockchain. A blind signature is used to protect the privacy of users as it prevents the ...

– an anonymous electronic payment system * GNU Pipo BBS, a BBS under the GNU General Public License

Office

GNU Aspell GNU Aspell, usually called just Aspell, is a free software spell checker designed to replace Ispell. It is the standard spell checker for the GNU operating system. It also compiler, compiles for other Unix-like operating systems and Microsoft Win ...

– spell-checker designed to eventually replace

Ispell Ispell is a spelling checker for Unix that supports most Western languages. It offers several interfaces, including a programmatic interface for use by editors such as Emacs. Unlike GNU Aspell, ispell will only suggest corrections that are based ...

* GNU gcal – calculating and printing calendars * GNU Miscfiles – several data files including standard airport, country, and language codes * GNU Typist – multi-lingual typing tutor *

Gnumeric Gnumeric is a spreadsheet program that is part of the GNOME Free Software Desktop Project. Gnumeric version 1.0 was released on 31 December 2001. Gnumeric is distributed as free software under the GNU General Public License; it is intended to ...

– spreadsheet program (

Microsoft Excel Microsoft Excel is a spreadsheet editor developed by Microsoft for Microsoft Windows, Windows, macOS, Android (operating system), Android, iOS and iPadOS. It features calculation or computation capabilities, graphing tools, pivot tables, and a ...

compatible) * Ocrad –

optical character recognition Optical character recognition or optical character reader (OCR) is the electronics, electronic or machine, mechanical conversion of images of typed, handwritten or printed text into machine-encoded text, whether from a scanned document, a photo ...

Multimedia

* 3DLDF – graphics package for producing three-dimensional technical drawings (especially for inclusion in

TeX Tex, TeX, TEX, may refer to: People and fictional characters * Tex (nickname), a list of people and fictional characters with the nickname * Tex Earnhardt (1930–2020), U.S. businessman * Joe Tex (1933–1982), stage name of American soul singer ...

documents) * Dia – vector graphics program for creating diagrams *

GIMP Gimp or GIMP may refer to: Clothing * Bondage suit, also called a gimp suit, a type of suit used in BDSM * Bondage mask, also called a gimp mask, often worn in conjunction with a gimp suit Embroidery and crafts * Gimp (thread), an ornamental tr ...

– GNU Image Manipulation Program, a bitmap image editor (similar to

Photoshop Adobe Photoshop is a raster graphics editor developed and published by Adobe for Windows and macOS. It was created in 1987 by Thomas and John Knoll. It is the most used tool for professional digital art, especially in raster graphics editin ...

) * Gnash – player and

browser plugin A browser extension is a software module for customizing a web browser. Browsers typically allow users to install a variety of extensions, including user interface modifications, cookie management, ad blocking, and the custom scripting and styl ...

for the

Adobe Flash Adobe Flash (formerly Macromedia Flash and FutureSplash) is a mostly discontinuedAlthough it is discontinued by Adobe Inc., for the Chinese market it is developed by Zhongcheng and for the international enterprise market it is developed by Ha ...

file format * GNU LibreDWG – library for reading and writing .dwg files (used in

CAD Computer-aided design (CAD) is the use of computers (or ) to aid in the creation, modification, analysis, or optimization of a design. This software is used to increase the productivity of the designer, improve the quality of design, improve c ...

applications) *

GNU LilyPond LilyPond is a computer program and file format for music engraving. One of LilyPond's major goals is to produce scores that are engraved with traditional layout rules, reflecting the era when scores were engraved by hand. LilyPond is cross-pla ...

– music typesetting application * Gnu Maverik –

Virtual Reality Virtual reality (VR) is a Simulation, simulated experience that employs 3D near-eye displays and pose tracking to give the user an immersive feel of a virtual world. Applications of virtual reality include entertainment (particularly video gam ...

microkernel * Gnu Panorama – 3D framework, ray tracing

Games

* GNU Backgammon –

backgammon Backgammon is a two-player board game played with counters and dice on tables boards. It is the most widespread Western member of the large family of tables games, whose ancestors date back at least 1,600 years. The earliest record of backgammo ...

game * GNUbik – implementation of the Rubik's Cube puzzle *

GNU Chess GNU Chess is a free software chess engine and command-line interface chessboard. The goal of GNU Chess is to serve as a basis for research, and as such it has been used in numerous contexts. GNU Chess is free software, licensed under the terms ...

–

chess engine In computer chess, a chess engine is a computer program that analyzes chess or List of chess variants, chess variant positions, and generates a move or list of moves that it regards as strongest. A chess software engine, engine is usually a Front ...

for use with glChess,

Xboard XBoard is a graphical user interface chessboard for chess engines under the X Window System. It is developed and maintained as free software by the GNU project. WinBoard is a port of XBoard to run natively on Microsoft Windows. Overview Original ...

or similar * GNU Go – implementation of the board game Go * GNU Jump – based on Xjump; also known as SDL Jump * GNU Kart – racing game * GNU Robots – game for computer programmers * GNU FreeDink - implementation of Dink Smallwood adventure/role-playing game * Liquid War – war game

Business applications

* GNU Health – free health and hospital information system * GNUmed – medical practice management software *

GnuCash GnuCash is an accounting program that implements a double-entry bookkeeping system. It was initially aimed at developing capabilities similar to Intuit, Inc.'s Quicken application, but also has features for small business accounting. Recent de ...

– financial accounting application * GNU remotecontrol – a web application for managing

building automation Building automation (BAS), also known as building management system (BMS) or building energy management system (BEMS), is the automatic centralized control of a building's HVAC, HVAC (heating, ventilation and air conditioning), electrical, light ...

devices * GNU Foliot – time keeping application for small organizations * GNU.FREE, a free voting system, suspended in 2002 *

- planned decentralized online payment system designed to be taxable and accessible to mainstream currencies. * GNUe (GNU Enterprise), an enterprise planning software.

Fonts

GNU FreeFont GNU FreeFont (also known as Free UCS Outline Fonts) is a family of free OpenType, TrueType and WOFF vector fonts, implementing as much of the Universal Character Set (UCS) as possible, aside from the very large CJK Asian character set. The ...

– a family of scalable outline fonts *

GNU Unifont GNU Unifont is a free Unicode bitmap font created by Roman Czyborra. The main Unifont covers all of the Basic Multilingual Plane (BMP). The "upper" companion covers significant parts of the Supplementary Multilingual Plane (SMP). The "Unifont J ...

References

External links

FSF Free Software Directory – All GNU Packages
{{DEFAULTSORT:List Of Gnu Packages GNU packages