Library (written in C) for parsing and creating messages using MIME

http://spruce.sourceforge.net/gmime/

Library (written in C) for parsing and creating messages using MIME

http://spruce.sourceforge.net/gmime/

A generic matrix template library

http://home.gna.org/getfem/

Free library for arbitrary precision arithmetic

https://gmplib.org/

GNATS, the GNU Problem Report Management System

https://www.gnu.org/software/gnats/

Sound files for use with GNOME 2

Collection of backgrounds for GNOME

Programming reference for x11/gnome-desktop

http://www.gnome.org/

GNOME doc utils

GNOME JavaScript common modules and tests

GNOME 3 users guide

Common startup and shutdown subroutines used by GNOME scripts

Utility port that creates the GNOME directory tree

The game of Go

https://www.gnu.org/software/gnugo/

GNU grep

http://www.gnu.org/software/grep/

The GNU Privacy Guard

https://www.gnupg.org/

GNUstep makefile package

http://www.gnustep.org/

GNU Transport Layer Security library

https://gnutls.org/

Fast, multi-threaded malloc() and nifty performance analysis tools

https://github.com/gperftools/gperftools

Script to analyze web server and generate Google Sitemap files

http://code.google.com/p/sitemap-generators/

Gpac MPEG-4 Systems library and headers

http://gpac.sourceforge.net/

Generates perfect hash functions for sets of keywords

https://www.gnu.org/software/gperf/

Rendering capabilities for complex non-Roman writing systems

http://graphite.sil.org

GNU stream editor

https://www.gnu.org/software/sed/sed.html

Standard fonts for Ghostscript

http://www.cs.wisc.edu/~ghost/doc/gnu/index.htm

The GNU Scientific Library - mathematical libs

http://www.gnu.org/software/gsl

Audio converter and library for converting u-law to gsm encoding

http://kbs.cs.tu-berlin.de/~jutta/toast.html

GNU version of the traditional tape archiver

http://www.gnu.org/software/tar/

Interactive typing tutor

http://www.gnu.org/software/gtypist/

Compression utility designed to be a replacement for compress

http://www.gnu.org/software/gzip/

gzip recovery toolkit

https://www.urbanophile.com/arenn/hacking/gzrt/

Anti-spam / denial of service counter-measure tool

http://www.hashcash.org/

Automatically generating simple manual pages from program output

https://www.gnu.org/software/help2man/

High-color icon theme shell from the FreeDesktop project

http://www.freedesktop.org/Standards/icon-theme-spec

Network auditing tool

http://www.hping.org/

Hebrew spellchecker and morphology engine

http://hspell.ivrix.org.il

All W3C published SGML DTDs for HTML

Converts HTML documents into plain text

http://www.mbayer.de/html2text/

Time synchronization over http utility

http://www.vervest.org/htp/

Tool for measuring webserver performance

https://github.com/httperf/httperf

Improved spell-checker for Hungarian and other languages

https://hunspell.github.io/

IA64 simulator (Intel(R) Architecture 64)

http://www.boo.net/~jasonp/

Restricted unix shell

http://ibsh.sourceforge.net/

ICE authority file utility for X

Displays a wire-frame rotating plyhedron

https://gitlab.freedesktop.org/xorg/app/ico

Utilities of the Tango project

http://tango-project.org/

International Components for Unicode (from IBM)

http://site.icu-project.org/

Library to handle internationalized domain names

https://www.nic.ad.jp/ja/idn/idnkit/download/

Imake and other utilities from X.Org

https://www.x.org/

Publishing and presentation tool

https://www.ntlug.org/~ccox/impress/