GNU Manuals Online

This table lists official GNU packages with links to their primary documentation, where available. When a package has several associated manuals, they are all listed. If a package has no specific manual online, the link just goes to the package's home page (which is also linked to explicitly).

Many packages could be listed in any of several categories, but for the table here just one has to be chosen, usually following the Free Software Directory.

Bug reports: for any discussion about specific manuals, please contact the package maintainers. For discussion about this page in particular (for example, if you are a GNU maintainer and want to correct or discuss your entry), contact <webmasters@gnu.org>.

Archiving ⮝

Cpio: Manage cpio and tar file archives. [cpio home]
Gzip: General file (de)compression (using lzw). [gzip home]
Paxutils: Manage cpio, tar, and pax file archives. [paxutils home]
Sharutils: Archives in shell scripts, uuencode/uudecode. [sharutils home]
Tar: Managing tar archives. [tar home]
Xorriso: Create, manipulate, burn ISO-9660 filesystems. [xorriso home]

Audio ⮝

Ccd2cue: CCD to CUE sheet conversion. [ccd2cue home]
EMMS: Emacs Multimedia System. [emms home]
Gmediaserver: UPnP compatible media server. [gmediaserver home]
GNUfm: Social music explorations. [gnufm home]
GNUmp3d: Server for streaming audio files. [gnump3d home]
GNUpod: Manage portable audio device. [gnupod home]
Radio: Software radio implementations. [gnuradio home]
GNUsound: Multi-track sound editor for GNOME. [gnusound home]
Guile-SDL: Guile interface for SDL (Simple DirectMedia Layer). [guile-sdl home]
Libcdio (cd-text): CD Input and Control library. [libcdio home]
Libextractor: Library to extract meta-data from media files. [libextractor home]

Business and productivity ⮝

Barcode: Convert text strings to printed bars in various standards. [barcode home]
BPEL2oWFN: Translating web service in BPEL to Open Workflow Nets. [bpel2owfn home]
Foliot: An application for tracking time spent on projects. [foliot home]
Gcal: Calculating and printing a wide variety of calendars. [gcal home]
GnuCash: Personal and small business financial accounting software. [gnucash home]
Gretl: Statistical analysis of economic data (econometrics). [gretl home]
Pem: Personal expenses manager. [pem home]
Taler: Electronic payments for a liberal society. [taler home]

Database ⮝

Ferret: Entity/relationship based data modeler. [ferret home]
Gdbm: Hash library of database functions compatible with traditional dbm. [gdbm home]
Guile-dbi: Guile database abstraction layer. [guile-dbi home]
Gurgle: GNU Report Generator Language. [gurgle home]
Libdbh: Advanced library for disk-based hash tables. [libdbh home]
Metaexchange: Manipulate metadata from OAI-PMH and Z39.50. [metaexchange home]
Recutils: Manipulate plain text files as databases. [recutils home]
Sqltutor: Interactively learn SQL by example. [sqltutor home]

Dictionaries ⮝

Dico: Implementation of DICT server (RFC 2229). [dico home]
Gcide: GNU Collaborative International Dictionary of English. [gcide home]
Vera: List of acronyms. [vera home]

Documentation translation ⮝

GNUjdoc: Japanese translations of GNU documents. [gnujdoc home]
GNUnited Nations (gnun web-trans): Build system for www.gnu.org translations. [gnun home]
Trans-coord: Organizational infrastructure for translating www.gnu.org. [trans-coord home]

Editors ⮝

Emacs (auth autotype bovine calc ccmode cl dbus dired-x ebrowse ede ediff edt eglot eieio elisp emacs-gnutls emacs-mime emacs epa erc ert eshell eudc eww flymake forms gnus htmlfontify idlwave ido info mairix-el message mh-e newsticker nxml-mode octave-mode org pcl-cvs pgg rcirc reftex remember sasl sc semantic ses sieve smtpmail speedbar srecode todo-mode tramp url use-package vhdl-mode vip viper widget wisent woman): The extensible, customizable, self-documenting text editor.
Available in print: Emacs Reference Cards, GNU Emacs Manual. [emacs home]
Moe: Modeless, multiple-buffer, user-friendly 8-bit text editor. [moe home]
Nano: Small, user-friendly console text editor. [nano home]
Readline (history rluserman): Edit command lines while typing, with history support. [readline home]
Zile: Zile is lossy Emacs, a lightweight Emacs clone. [zile home]

Education ⮝

Dr. Geo: Interactive geometry software. [dr-geo home]
FisicaLab: Educational application for solving physics problems. [fisicalab home]
GCompris: Educational games for small children. [gcompris home]
Ggradebook: GNOME application to track students' grades for teachers. [ggradebook home]
Glean: extensible quizzing and tutorial for self-study. [glean home]
GNUschool: Web application for educators, students, and school administrators. [gnuschool home]
Gtypist: Typing tutor. [gtypist home]
Ignuit: Memorization aid based on Leitner flashcards. [ignuit home]
Java Training Wheels: A simplified Java environment for learning programming. [jtw home]
MIX Development Kit: Virtual development environment for Knuth's MIX.
Available in print: GNU MDK. [mdk home]

Email ⮝

Anubis: SMTP message submission daemon. [anubis home]
GNUbiff: Mail notification program. [gnubiff home]
Mailman: Mailing list manager. [mailman home]
Mailutils: Utilities and library for reading and serving mail. [mailutils home]

Fonts ⮝

Fontopia: A console font editor. [fontopia home]
Fontutils: Scanned image, bitmap, outline font manipulation. [fontutils home]
Free UCS Outline Fonts: Unicode-encoded outline fonts. [freefont home]
Intlfonts: TrueType and BDF fonts covering many scripts. [intlfonts home]
Unifont: Large bitmap font covering Unicode's Basic Multilingual Plane. [unifont home]

GNU organization ⮝

GNU organization (maintain standards): GNU coding standards and maintainer information. [gnustandards home]

Games ⮝

Acm: Multiplayer aerial combat simulation. [acm home]
Ball and Paddle: Ball and paddle game extensible with Guile. [ballandpaddle home]
Chess: Full chess implementation. [chess home]
Dominion: Multi-player world simulation and role-playing game. [dominion home]
FreeDink: Twisted adventures of young pig farmer Dink Smallwood. [freedink home]
Backgammon: Backgammon game. [gnubg home]
GNUbik: 3d Rubik's cube game. [gnubik home]
GNUgo: Play the game of Go. [gnugo home]
GNUjump: Game of jumping to the next floor, trying not to fall. [gnujump home]
GNUkart: Racing game. [gnukart home]
Robots: Program a little robot and watch him explore a world. [gnurobots home]
GNUshogi: The game of Shogi (Japanese chess). [gnushogi home]
Leg: Libraries and engines for game programming. [leg home]
Liquid War 6: Multiplayer wargame where your army is a blob of liquid. [liquidwar6 home]
Motti: Multiplayer strategy game. [motti home]
Rpge: Role playing game engine. [rpge home]
Talkfilters: Convert English text to humorous dialects. [talkfilters home]
XBoard: Graphical user interface for chess programs. [xboard home]

Graphics ⮝

3DLDF: 3D drawing with MetaPost output. [3dldf home]
Dia: GNU program for drawing diagrams. [dia home]
GIFT: GNU Image Finding Tool, with query by example. [gift home]
GIMP: GNU Image Manipulation Program. [gimp home]
Gpaint: Simple paint program for GNOME. [gpaint home]
Gsegrafix: GNOME application to create scientific and engineering plots. [gsegrafix home]
Guile-opengl: Guile binding for the OpenGL graphics API. [guile-opengl home]
Libxmi: Library for rasterizing 2-d vector graphics. [libxmi home]
Maverik: Support interactive 3d virtual environments. [maverik home]
Panorama: Framework for 3D graphics production. [panorama home]
Plotutils: Plotting utilities and library. [plotutils home]
XaoS: Real-time fractal zoomer. [xaos home]

Health ⮝

GNUmed: Paperless medical practice. [gnumed home]
GNUtrition: Nutrition analysis. [gnutrition home]
Health: Health and hospital information system. [health home]

Interface ⮝

G-Golf: Guile bindings for GObject Introspection. [g-golf home]
GnuDOS: MS-DOS-like file manager, editor, and other tools. [gnudos home]
GNU Interactive Tools: Interactive utilities for file browsing, viewing, and more. [gnuit home]
GNUspeech: Extensible rule-based text-to-speech. [gnuspeech home]
Guile-ncurses: Guile bindings to ncurses. [guile-ncurses home]
Gxmessage: Open popup message window with buttons for return. [gxmessage home]
Inklingreader: Wacom Inkling sketch format conversion and manipulation. [inklingreader home]
Midnight Commander: Graphical file manager. [mc home]
Ncurses: Terminal emulation (termcap, terminfo) library. [ncurses home]
OO-Browser: An interactive object-oriented class browser for Emacs. [oo-browser home]
PowerGuru: Monitoring, logging, and remote control of power generation. [powerguru home]
Remotecontrol: Management of IP-enabled thermostats and other HVAC devices. [remotecontrol home]
Stalkerfs: Desktop search engine for local files, using FUSE. [stalkerfs home]
Termcap: Terminal-independent display support. [termcap home]
Termutils: The tput and tabs utilities for terminal operations. [termutils home]
TRAMP: Transparent Remote Access, Multiple Protocol GNU Emacs package. [tramp home]

Internet applications ⮝

Alive: Autologin and keep-alive daemon. [alive home]
Artanis: Web application framework written in Guile. [artanis home]
Consensus: Coordinate free software social networking projects. [consensus home]
Freetalk: Extensible console-based Jabber client. [freetalk home]
Gratuitous ARP Daemon: Broadcast gratuitous ARP requests for IPMI and more. [garpd home]
Gnash: Flash movie player. [gnash home]
GNUnet: Secure, decentralized, peer-to-peer networking framework. [gnunet home]
GNUzilla: Entirely free browser derived from Mozilla Firefox. [gnuzilla home]
Httptunnel: Bidirectional connection tunnelled inside HTTP requests. [httptunnel home]
Icecat: Entirely free browser derived from Mozilla Firefox. [icecat home]
Inetutils: Basic networking utilities. [inetutils home]
Jwhois: An extended whois client. [jwhois home]
Librejs: Browser add-on that blocks nonfree nontrivial JavaScript. [librejs home]
Lrzsz: Implementation of XMODEM/YMODEM/ZMODEM transfer protocols. [lrzsz home]
MAC Changer: Viewing and manipulating MAC addresses of network interfaces. [macchanger home]
Mediagoblin: Photo and media sharing. [mediagoblin home]
Network: Initiative to encourage development of free network services. [network home]
Pipo: Bulletin board system. [pipo home]
Proxyknife: Customizable multithread proxy hunter. [proxyknife home]
Shishi: Implementation of the Kerberos 5 network security system. [shishi home]
Social: Decentralized social networking server. [social home]
Stump: Secure team-based Usenet moderation program. [stump home]
Websocket4j: WebSocket protocol implementation for Java-HTML5 communication. [websocket4j home]
WebSTUMP: Web interface to STUMP. [webstump home]
Wget: Non-interactive command-line utility for downloading files. [wget home]

Live communications ⮝

Jami: A privacy-respecting communication program. [jami home]

Localization ⮝

FriBiDi: Implementation of the Unicode bidirectional algorithm. [fribidi home]
Gettext: Tools and documentation for translation. [gettext home]

Mathematics ⮝

Aris: Natural deduction first-order logic interface. [aris home]
Bc: Arbitrary precision numeric processing language. [bc home]
C-graph: Visualizing and demonstrating convolution. [c-graph home]
Dap: Statistics and graphics package. [dap home]
Datamash: Scriptable statistics and data calculation. [datamash home]
Dc: Arbitrary precision numeric processing with reverse-polish notation. [dc home]
GMP: Multiple-precision arithmetic library. [gmp home]
GNU Scientific Library: Numerical library for C and C++. [gsl home]
JACAL: Symbolic mathematics system. [jacal home]
Libmatheval: Library for evaluating symbolic expressions. [libmatheval home]
MCSim: Monte Carlo simulation and analysis. [mcsim home]
MLI: Logical proof program. [metalogic-inference home]
MPC: C library for arbitrary precision complex arithmetic. [mpc home]
Mpfr: C library for arbitrary precision floating-point arithmetic. [mpfr home]
Mpria: C library for arbitrary precision rational arithmetic. [mpria home]
Octave: High-level language for numerical computation. [octave home]
PSPP: Statistical analysis. [pspp home]
R: Environment for statistical computing and graphics. [r home]

Music ⮝

Cursynth: Polyphonic and MIDI subtractive music synthesizer using curses. [cursynth home]
Denemo: Graphical music notation, front-end to GNU Lilypond. [denemo home]
GTick: Customizable metronome application. [gtick home]
Lilypond: Music typesetting. [lilypond home]
Psychosynth: Interactive software synthesizer. [psychosynth home]
Solfege: Ear training. [solfege home]

Printing ⮝

a2ps: Any file to PostScript, including pretty-printing. [a2ps home]
Enscript: Generating PostScript, including pretty-printing. [enscript home]
GNU Ghostscript: PostScript and PDF interpreter. [ghostscript home]
GNUspool: Spooling system with a variety of interfaces. [gnuspool home]
Gv: PostScript and PDF viewer using Ghostscript as a back-end. [gv home]
Hp2xx: Convert HP-GL format graphics to other vector and bitmap formats. [hp2xx home]
Trueprint: Pretty-print C sources and other plain text to PostScript. [trueprint home]

Science ⮝

Archimedes: Semiconductor device simulator. [archimedes home]
Electric: Electrical CAD system. [electric home]
Gama: Adjustment of geodetic networks. [gama home]
GnuAE: Designing alternate energy systems. [gnuae home]
Gnuastro: Astronomy utilities. [gnuastro home]
GNUcap: Mixed analog and digital circuit simulator. [gnucap home]
Goptical: C++ optical design and simulation library. [goptical home]
Libredwg: C library to handle DWG (CAD-related) files. [libredwg home]
Lims: Scientific laboratory information management system. [lims home]
Melting: Temperature computations for a nucleic acid duplex. [melting home]
Nano-archimedes: Simulation of quantum systems using the Wigner Monte Carlo method. [nano-archimedes home]
Pcb: Design printed circuit board layouts. [pcb home]
Polyxmass: Mass spectrometric data simulations and analyses. [polyxmass home]
SpaceChart: Stargazing in 3D under GNOME. [spacechart home]
Units: Conversion between thousands of scales. [units home]

Security ⮝

Anastasis: Credential backup and recovery protocol and service. [anastasis home]
Crypto: Cryptographic primitives and tools for Java programming. [gnu-crypto home]
GNU-pw-mgr: Retrieve login credentials without recording passwords. [gnu-pw-mgr home]
GnuPG (assuan dirmngr gcrypt libgcrypt gnupg gpgme ksba): GNU Privacy Guard. [gnupg home]
GVPE: Secure VPN among multiple nodes over an untrusted network. [gvpe home]
Libtasn1: ASN.1 library. [libtasn1 home]
Lsh: GNU implementation of the Secure Shell (ssh) protocols. [lsh home]
Nettle: C library for low-level cryptographic functionality. [nettle home]
Radius: Authentication and accounting services and daemon. [radius home]
Userv: Daemon to control service access. [userv home]

Software development ⮝

APL: APL interpreter. [apl home]
Autoconf: Create source code configuration scripts. [autoconf home]
Autoconf-archive: Collection of freely reusable Autoconf macros. [autoconf-archive home]
AutoGen: Automated program generator. [autogen home]
Automake: Making GNU standards-compliant Makefiles. [automake home]
Bash: The GNU Bourne-Again SHell. [bash home]
Binutils (as bfd binutils gprof gprofng ld): Binary utilities: bfd gas gprof gprofng ld. [binutils home]
Bison: Parser generator.
Available in print: The Bison Manual. [bison home]
GNU C Introduction and Reference: Introduction for learning the GNU C language, and reference for it. [c-intro-and-ref home]
Ccide: Decision table code generator. [ccide home]
Cflow: Create a graph of control flow within a program. [cflow home]
Cim: Simula compiler. [cim home]
CLISP: A Common Lisp implementation. [clisp home]
Complexity: Analyze complexity of C functions. [complexity home]
Config: Ubiquitious config.guess and config.sub scripts. [config home]
Coreutils: Core GNU utilities (file, text, shell). [coreutils home]
Cppi: Indent C preprocessor directives to reflect nesting and more. [cppi home]
DDD: Graphical front-end for GDB and other debuggers. [ddd home]
DejaGnu: GNU software testing framework. [dejagnu home]
DJGPP: Development system and GNU utilities for DOS on x86 hardware. [djgpp home]
EDMA: Object-oriented component-based development environment. [edma home]
Epsilon: A purely functional programming language. [epsilon home]
Findutils: Operating on files matching given criteria. [findutils home]
GCC (cpp cppinternals gcc gccint gfc-internals gfortran gnat-style gnat_rm gnat_ugn libgomp libiberty libstdc++): GNU Compiler Collection.
Available in print: Using GCC: The GNU Compiler Collection Reference Manual. [gcc home]
GNU Common Lisp: A Common Lisp implementation. [gcl home]
GDB (gdb stabs): The GNU debugger.
Available in print: Debugging with GDB: The GNU Source-Level Debugger. [gdb home]
Gengen: A parameterized-text-generator generator based on a template. [gengen home]
Gengetopt: Create parsers for command line options. [gengetopt home]
Gforth: Forth interpreter. [gforth home]
Global: Cross-environment source code tag system. [global home]
GNAT: Ada compiler. [gnat home]
GNATS: GNU problem report and bug management system. [gnats home]
Gnatsweb: Web interface to GNATS. [gnatsweb home]
GNU C reference manual: Reference manual for the C programming language. [gnu-c-manual home]
GnuCOBOL: A modern COBOL compiler. [gnucobol home]
GNUlib: Source files to share among distributions. [gnulib home]
Mach: Microkernel of the GNU system. [gnumach home]
GNUprologjava (gnuprologjava): Implementation of Prolog as a Java library. [gnuprologjava home]
GNUstep: Object-oriented application development environment. [gnustep home]
Gorm: GNUstep interface designer. [gorm home]
Gperf: Perfect hash function generator. [gperf home]
Gprofng-gui: Full-fledged graphical interface to operate gprofng. [gprofng-gui home]
Gprolog: Prolog compiler. [gprolog home]
Greg: Software testing framework. [greg home]
Guile: Scheme implementation intended especially for extensions. [guile home]
Guile-gnome (atk clutter-glx clutter corba gconf gdk glib gnome-vfs gobject gtk libglade libgnome libgnomecanvas libgnomeui pango pangocairo): Guile interface for GTK+ programming for GNOME. [guile-gnome home]
Guile-rpc: Pure Scheme implementation for the ONC RPC standard. [guile-rpc home]
Hello: Hello, GNU world: An example GNU package. [hello home]
Hurd: The kernel servers for the GNU operating system. [hurd home]
Idutils: Identifier database utilities. [idutils home]
Indent: Code reformatter. [indent home]
Jitter: A generator for efficient language virtual machines. [jitter home]
Kawa: Java framework and implementation of Scheme, Elisp, and more. [kawa home]
Kopi: Java development environment for interactive database applications. [kopi home]
Liberty Eiffel: Eiffel compiler. [liberty-eiffel home]
Libsigsegv: Library for handling page faults. [libsigsegv home]
Linux-libre: 100% free redistribution of a cleaned Linux kernel. [linux-libre home]
Lispintro: Introduction to programming in Emacs Lisp.
Available in print: An Introduction to Emacs Lisp. [lispintro home]
Make: Remake files automatically. [make home]
MARST: Algol-to-C translator. [marst home]
Mig: Mach 3.0 interface generator for the Hurd. [mig home]
MIT/GNU Scheme (mit-scheme-imail mit-scheme-ref sos mit-scheme-user): A Scheme implementation with integrated editor and debugger. [mit-scheme home]
Pascal: GNU Pascal compiler. [pascal home]
Patch: Apply differences to originals, with optional backups. [patch home]
Pexec: Execute a command in parallel on multiple hosts. [pexec home]
Pies: Program invocation and execution supervisor. [pies home]
Poke: Editing of arbitrary binary data. [poke home]
Pythonwebkit: W3C DOM bindings to Webkit for use with GTK and more. [pythonwebkit home]
Qexo: Java implementation of XQuery using GNU Kawa. [qexo home]
Rush: Restricted user (login) shell. [rush home]
Sather: An object-oriented language designed to be simple, efficient, safe. [sather home]
SCM: A Scheme implementation. [scm home]
Screen: Full-screen window manager providing multiple terminals. [screen home]
Shmm: Shared memory manager utility. [shmm home]
Shtool: Compilation of utility shell scripts into a shell tool. [shtool home]
SLIB: Portable library for Scheme. [slib home]
Smalltalk (gst-base gst-libs gst): Smalltalk environment. [smalltalk home]
Superopt: Super-optimizer of given functions. [superopt home]
Swbis: POSIX software packaging utilities. [swbis home]
Teseq: Analyze files with terminal control sequences, for debugging. [teseq home]
Vmgen: Generic virtual machine generation, used by gforth. [vmgen home]
Womb: Repository for GNU work not intended to be separate packages. [womb home]
Xnee: Record, replay and distribute user actions under X11. [xnee home]

Software libraries ⮝

8sync: An asynchronous programming library for Guile. [8sync home]
Adns: Asynchronous DNS client library and utilities. [adns home]
Avl: Binary and balanced search trees. [avl home]
BFD: Binary File Descriptor library. [bfd home]
Cgicc: C++ class library for writing CGI applications. [cgicc home]
Classpath: Core class libraries for Java. [classpath home]
Classpathx: Classpath extensions: javax.* libraries. [classpathx home]
[u]Common C++: [u]Common C++ framework for threaded applications. [commoncpp home]
FreeIPMI: Platform management, including sensor and power monitoring. [freeipmi home]
GLPK: GNU Linear Programming Kit, supporting the MathProg language. [glpk home]
GnuTLS: Transport layer security library. [gnutls home]
Gsasl: Simple Authentication and Security Layer library. [gsasl home]
GNU Slip: SLIP (Symmetric LIst Processor) implementation. [gslip home]
Generic Security Service: Generic Security Service library. [gss home]
Guile-cv: Computer Vision library for Guile. [guile-cv home]
GWL: Workflow language for GNU Guix. [gwl home]
Java-getopt: Java port of GNU getopt. [java-getopt home]
Jel: Java expression library and compiler. [jel home]
GNU C Library: C library. [libc home]
Libffcall: Foreign function calls from interpreters. [libffcall home]
Libgcrypt: Cryptographic function library. [libgcrypt home]
Libiconv: Character set conversion library. [libiconv home]
Libidn: Internationalized string processing library. [libidn home]
Libidn2: Free software implementation of IDNA2008, Punycode, and Unicode TR46. [libidn2 home]
Libjit: Just-in-Time compilation library. [libjit home]
Libmicrohttpd: C library implementing an HTTP 1.1 server. [libmicrohttpd home]
Libtool: Generic shared library support tools. [libtool home]
Libunistring: C library for manipulating Unicode strings. [libunistring home]
Lightning: Library for generating assembly code at runtime. [lightning home]
MemPool: Block allocator library. [mempool home]
Mifluz: Full text indexing library. [mifluz home]
Nana: Library for assertions, logging, performance measurement. [nana home]
oSIP: Library implementing SIP (RFC-3261). [osip home]
Pth: Portable thread library. [pth home]
Quickthreads: Thread library. [quickthreads home]
WB: Disk-based associative array B-tree database library. [wb home]

Spreadsheets ⮝

GNUmeric: Spreadsheet application. [gnumeric home]
Oleo: Spreadsheet for both terminal and graphical interfaces. [oleo home]
Spread Sheet Widget: Gtk+ widget for viewing and manipulating tabular data. [ssw home]

System administration ⮝

Acct: Standard login and process accounting utilities. [acct home]
ddrescue: Data recovery utility. [ddrescue home]
Direvent: Daemon to monitor directories for events such as file removal. [direvent home]
Fdisk: Low-level disk partitioning and formatting. [fdisk home]
GNUbatch: Advanced batch scheduling and job control. [gnubatch home]
GNU Boot: A free BIOS/UEFI replacement. [gnuboot home]
GRUB: GRand Unified Boot loader. [grub home]
GNU Source Release Collection: Install latest official GNU releases from original source. [gsrc home]
Guix: Functional package manager for installed software packages and versions. [guix home]
Mcron: Run jobs at scheduled times. [mcron home]
Mes: Full source bootstrapping for GNU systems. [mes home]
Mtools: Access MS-DOS disks without mounting. [mtools home]
Parallel: Build and execute command lines in parallel. [parallel home]
Parted: Disk partition editor. [parted home]
Rottlog: Log rotation and management. [rottlog home]
Serveez: Framework for implementing IP-based servers. [serveez home]
Shepherd: System service manager. [shepherd home]
Stow: Managing installed software packages. [stow home]
Sysutils: Standard system administration utilities: passwd, chsh, and more. [sysutils home]
Time: Run a command, then display its resource usage. [time home]
UUCP: UUCP protocol implementation. [uucp home]
Which: Find full path of shell commands. [which home]
Xlogmaster: GUI program for monitoring log and other files. [xlogmaster home]

Telephony ⮝

Bayonne: Telephony server. [bayonne home]
ccAudio: Standalone C++ class framework for manipulating audio data. [ccaudio home]
ccRTP: Implementation of RTP (real-time transport protocol). [ccrtp home]
ccScript: C++ class framework for virtual machine execution. [ccscript home]
GnuComm: GNU telecommunications project / GNU Telephony. [gnucomm home]
HaliFAX: Fax support. [halifax home]
Sipwitch: Secure peer-to-peer VoIP server for the SIP protocol. [sipwitch home]

Text creation and manipulation ⮝

Aspell: Spell checker. [aspell home]
AUCTeX: Emacs environment for editing (all flavors of) TeX files. [auctex home]
Bool: Finding text and HTML files that match boolean expressions. [bool home]
Combine: Extensible file matching and filtering. [combine home]
Diction: Identifies wordy and commonly misused phrases. [diction home]
Diffutils: Comparing and merging files. [diffutils home]
Ed: Line-oriented text editor. [ed home]
Gawk (gawkinet gawk): Text scanning and processing language. [gawk home]
Grep: Print lines matching a pattern. [grep home]
Groff: Typesetting from plain text mixed with formatting commands. [groff home]
Help2man: Automatically generate man pages from program --help. [help2man home]
Html-info: HTML-Info viewer and tools. [html-info home]
Hyperbole: Emacs hypertext system via customizable buttons. [hyperbole home]
Less: Paginator for terminals. [less home]
M4: Macro processor. [m4 home]
Miscfiles: Data files for airport codes, zip codes, a dictionary, and more. [miscfiles home]
Ocrad: Optical character recognition based on feature extraction. [ocrad home]
OrgaDoc: Eiffel program to maintain and query documents across machines. [orgadoc home]
Reftex: Emacs support for LaTeX cross-references of all kinds. [reftex home]
Sed: Stream editor. [sed home]
Spell: Spell checking. [spell home]
Src-highlite: Produce a document with syntax highlighting from a source file. [src-highlite home]
TeX for the Impatient: Book on TeX, plain TeX, and Eplain. [teximpatient home]
Texinfo (info-stnd texi2any_api texi2any_internals texinfo): The GNU documentation format. [texinfo home]
TeXmacs: Editing platform with special features for scientists. [texmacs home]
UnRTF: Convert Rich Text Format documents to other formats. [unrtf home]
Wdiff: Word difference finder. [wdiff home]

Version control ⮝

Bazaar: Version control system supporting both distributed and centralized workflows. [bazaar home]
CSSC: File-based version control like SCCS. [cssc home]
RCS: Per-file local revision control system. [rcs home]
Vc-dwim: Version-control-agnostic ChangeLog diff and commit tool. [vc-dwim home]

Video ⮝

VCDImager: Authoring, disassembling and analyzing (super and) video CDs. [vcdimager home]

Web authoring ⮝

Easejs: Classical object-oriented framework for JavaScript. [easejs home]
Emacs-muse: Authoring and publishing environment for Emacs. [emacs-muse home]
GNOWSYS: Distributed network-based memory and knowledge management. [gnowsys home]
phpGrabComics: Saves comic strips from the web. [grabcomics home]
Metahtml: Combining HTML and Lisp, specifically designed for Web servers. [metahtml home]
Xmlat: Simple XML for defining and implementing markup languages. [xmlat home]

See info about this list at top.