Gpac MPEG-4 Systems library and headers

https://gpac.sourceforge.net/

Generates perfect hash functions for sets of keywords

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

Library to make access to GnuPG easier

https://www.gnupg.org/related_software/gpgme/

Gpgme C++ bindings

https://www.gnupg.org/related_software/gpgme/

Mount PTP camera as a file system

https://github.com/gphoto/gphotofs

GPS file translating tool

https://www.gpsbabel.org/

Daemon that monitors one or more GPSes attached to a host computer

https://gpsd.gitlab.io/gpsd/index.html

Firmware modules for polaris12 AMD GPUs

https://github.com/freebsd/drm-kmod-firmware

Firmware modules for broxton Intel GPUs

https://github.com/freebsd/drm-kmod-firmware

Firmware modules for the drm-kmod drivers

https://github.com/freebsd/drm-kmod

Firmware modules for verde Radeon GPUs

https://github.com/freebsd/drm-kmod-firmware

Project automation tool

https://www.gradle.org/

Project automation tool

https://www.gradle.org/

Project automation tool

https://www.gradle.org/

Project automation tool

https://www.gradle.org/

Project automation tool

https://www.gradle.org/

Optimizations for speeding up vector operations

https://ebassi.github.io/graphene/

Rendering capabilities for complex non-Roman writing systems

http://graphite.sil.org

Graph Visualization Software from AT&T and Bell Labs

https://www.graphviz.org/

Tool for centralized log collection

https://www.graylog.org/

Generic Colouriser

http://kassiopeia.juls.savba.sk/~garabik/software/grc.html

Gtk and xfwm4 themes for the Xfce Desktop

https://github.com/shimmerproject/Greybird

Framework focused on making media discovery and browsing

https://wiki.gnome.org/Grilo

Plugins for net/grilo

https://wiki.gnome.org/Grilo

Software typesetting package

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

Agile dynamic language for the JVM

https://www.groovy-lang.org/

Virtual 3D Rubiks cube for GNUstep

GNU SASL command-line utility

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

GNUstep-aware scheme interpreter

http://www.gnustep.it/marko/GScheme/index.html

GNU stream editor

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

Collection of globally shared GSetting schemas

Standard fonts for Ghostscript

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

Shisen-sho puzzle game for GNUstep

http://gap.nongnu.org/gshisen/index.html

GNUstep Keyboard Grabber

The GNU Scientific Library - mathematical libs

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

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

https://www.quut.com/gsm/

Generator Tools for Coding SOAP/XML Web Services in C and C++

https://www.cs.fsu.edu/~engelen/soap.html

GObject library for playing system sounds

https://wiki.gnome.org/Projects/GSound

Postscript and Pdf Viewer for GNUstep

http://gap.nongnu.org/gspdf/index.html

Spell checking for GTK+

https://wiki.gnome.org/Projects/gspell

Media applications framework

https://gstreamer.freedesktop.org/

Gstreamer editing services

http://gstreamer.freedeskop.org

GStreamer plug-in with many audio/video decoders/encoders

https://gstreamer.freedesktop.org/

GStreamer written collection of plugins handling several media types

https://gstreamer.freedesktop.org/

Gstreamer ATSC A/52 stream aka AC-3 (dvd audio) plugin

https://gstreamer.freedesktop.org/

GStreamer ASCII art videosink plugin

https://gstreamer.freedesktop.org/

Gstreamer OpenCore based Adaptive Multi-Rate Narrow-Band plugin

https://gstreamer.freedesktop.org/

Gstreamer OpenCore based Adaptive Multi-Rate Wide-Band Decoder plugin

https://gstreamer.freedesktop.org/

GStreamer (libaom) plugin

https://gstreamer.freedesktop.org/

Gstreamer ASS/SSA text renderer plugin

https://gstreamer.freedesktop.org/