Foomatic database engine

http://www.linuxprinting.org/foomatic.html

Foomatic data for the HPIJS printer drivers

http://www.linuxprinting.org

Quickly ping N hosts w/o flooding the network

http://www.fping.org/

Sound theme based on the FreeDesktop specification

http://freedesktop.org/wiki/Specifications/sound-theme-spec

Sybase/Microsoft TDS protocol library

http://www.freetds.org/

Free and portable TrueType font rendering engine

https://www.freetype.org/

Free Implementation of the Unicode Bidirectional Algorithm

http://fribidi.org/

Command line FTP tools for listing and mirroring

https://www.ohse.de/uwe/ftpcopy.html

Synchronizes a local and a remote FTP directory trees

http://www.clazzes.org/ftpsync

Utility to display the HTTP headers returned by web-servers

https://github.com/bingos/furl

Graphical Boot Manager

GNU version of Awk

http://www.gnu.org/software/gawk/gawk.html

Eclipse Java Compiler used to build GCC Java

GNU Compiler Collection 3.4

http://gcc.gnu.org/

GNU Compiler Collection 4.6

http://gcc.gnu.org/

GNU Compiler Collection 4.7

http://gcc.gnu.org/

GNU Compiler Collection 4.8

https://gcc.gnu.org

Create dependencies in makefiles using 'gcc -M'

GNU copy-in/out (cpio)

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

GNU GDB of newer version than comes with the system

http://sourceware.org/insight/

GNU database manager

https://www.gnu.org.ua/software/gdbm/

getopt(1) replacement that supports GNU-style long options

http://software.frodo.looijaard.name/getopt/

GNU gettext meta package

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

Tools and library routines for working with GIF images

https://sourceforge.net/projects/giflib/

Programming reference for devel/glib20

https://www.gtk.org/

GLX extension headers

http://www.freedesktop.org/wiki/Software/xlibs

GNU version of 'make' utility

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

Minimalist version of gnu make

http://www.gnu.org/software/make/make.html

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 JavaScript common modules and tests

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

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