Components intended to be shared between GNOME development tools

http://www.gnome.org/

GNOME 3 display manager

http://www.gnome.org/projects/gdm/

Gnome DOM Engine

http://gdome2.cs.unibo.it/

Application for rendering IC (chip) layouts in 3D

https://github.com/trilomix/GDS3D

C++ library to create and read GDSII file

https://github.com/judefdiv/gdscpp

GDS2 stream file to Postscript and HP/GL converter

C++ library for creation and manipulation of GDSII and OASIS files

https://heitzmann.github.io/gdstk/ https://github.com/heitzmann/gdstk/

Fast and lightweight GTK+ IDE

http://www.geany.org

SMS / GG emulator

Small but powerful text editor for GNOME 3 Desktop Environment

http://www.gnome.org/projects/gedit/

Plugins for GEdit 3

https://wiki.gnome.org/Apps/Gedit/PluginsLists

Lightweight image viewer forked from GQview

https://www.geeqie.org/

Graph based image processing framework

https://gegl.org/

Ukrainian KOI8 fonts for X11R6 (koi8-u)

Tool for generating a C function which parses command line arguments

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

Standalone genisoimage from cdrkit

http://www.cdrkit.org/

Mkfs equivalent for romfs filesystem

https://github.com/chexum/genromfs

Gentium TrueType font collection

https://software.sil.org/gentium/

Gentium Basic and Gentium Book Basic TrueType fonts

https://software.sil.org/gentium/

Gentium Plus TrueType font collection

https://software.sil.org/gentium/

Gtk+ based, file manager inspired by DirectoryOpus

http://www.obsession.se/gentoo/

D-Bus service that provides location information

http://geoclue.freedesktop.org/

Convenience library for the geocoding and reverse geocoding

https://github.com/GNOME/geocode-glib

Convenience library for the geocoding and reverse geocoding

https://git.gnome.org/browse/geocode-glib

Fetch the latest copies of the GeoIP2 databases

https://github.com/maxmind/geoipupdate

Geometry Engine, Open Source

https://libgeos.org/ https://github.com/libgeos/geos

Gerber file viewer

https://gerbv.github.io/

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

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

GNU gettext meta package

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

Check the validity and consistency of PO and POT files

http://gettext-lint.sourceforge.net/

Alter gettext po files in special ways

https://src.fedoraproject.org/rpms/gettext/blob/master/f/msghack.py

GNU gettext runtime libraries and programs

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

GNU gettext development and translation tools

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

GObject-based wrapper around Exiv2 library

https://wiki.gnome.org/Projects/gexiv2

Library for multiplying polynomials over the binary field

https://gitlab.inria.fr/gf2x/gf2x

GObject library for Facebook Graph API

https://git.gnome.org/browse/libgfbgraph

Commandline flags module for C++

https://github.com/gflags/gflags

The GGZ Gaming Zone - Core Client Libraries

http://www.ggzgamingzone.org/

GitHub's official command line tool

https://cli.github.com

PostScript and PDF interpreter

https://ghostscript.com/

Tools and library routines for working with GIF images

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

Manipulates GIF images and animations

http://www.lcdf.org/gifsicle/

Frontend to easily manage filesystem connections

https://docs.xfce.org/apps/gigolo/start

The "meta-port" for The Gimp

https://www.gimp.org/

GNU Image Manipulation Program

https://www.gimp.org/

Collection of additional brushes and patterns files for GIMP

https://gimp.org

Gutenprint Printer Drivers

https://gimp-print.sourceforge.net/

C source code reformatter

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

GIO bindings not available in gtk-sharp

https://github.com/mono/gio-sharp

Distributed source code management tool

https://git-scm.com/