Letter: G
- GeoIP - C library for country/city/organization to IP address or hostname mapping
- Glide3 - Glide3 runtime for the 3Dfx Voodoo family of cards
- Glide3-libGL - Glide3 OpenGL library for use with 3Dfx Voodoo 1 & 2 cards
- Gtk-Perl - Perl extensions for GTK+ (the Gimp ToolKit)
- GtkAda - Ada95 graphical toolkit based on Gtk+
- gai - Generic Applet Interface
- gai-pal - GAI Pal applet
- gai-temp - GAI based applet that displays HDD and CPU temperature
- gaim-gaym - A gay.com protocol plugin for gaim
- gaim-guifications - Guifications Plugin for Gaim
- gaim-meanwhile - Lotus Sametime Community Client plugin for Gaim
- gaim-otr - Off-The-Record Messaging plugin for GAIM
- gajim - Jabber client written in PyGTK
- galculator - GTK 2 based scientific calculator
- galeon - GNOME2 Web browser based on Mozilla
- gallery2 - Customizable photo gallery web site
- gambas - IDE based on a basic interpreter with object extensions
- ganglia - Ganglia Distributed Monitoring System
- gauche - Scheme script interpreter with multibyte character handling
- gauche-gl - OpenGL binding for Gauche
- gauche-gtk - Gauche extension module to use GTK
- gazpacho - Glade Interface Creator
- gc - C++ Garbage Collector
- gcdmaster - A Gnome2 Disk-At-Once (DAO) Audio CD writer
- gcfilms - Movies collection management
- gcin - Input method for Traditional Chinese
- gcl - GNU Common Lisp
- gcombust - Powerful GTK+ front-end for mkisofs and cdrecord
- gconfmm26 - C++ wrapper for GConf2
- gdeskcal - Eye-candy calendar for your desktop
- gdesklets - An interactive Imlib2 console for the X Window system
- gdl - GNU Data Language
- gdome2 - DOM level 2 library for accessing XML files
- gentium-fonts - SIL Gentium fonts
- gentoo - Graphical file management program in GTK+ for Linux
- geomview - Interactive 3D viewing program
- geos - GEOS is a C++ port of the Java Topology Suite
- gfontview - A font viewer for Type 1 and TrueType fonts
- gforth - Fast and portable implementation of the ANS Forth language
- ghasher - GUI hasher for GTK+ 2
- ghc - Glasgow Haskell Compilation system
- ghdl - A VHDL simulator, using the GCC technology
- ghex - Binary editor for GNOME
- giblib - Simple library and a wrapper for imlib2
- gif2png - A GIF to PNG converter
- gift - Daemon for communicating with filesharing protocols
- gift-openft - Openft plugin for giFT
- ginac - C++ library for symbolic calculations
- git - Git core and tools
- gkrellm-aclock - Analog clock plugin for GKrellM
- gkrellm-freq - CPU frequency display plugin for GKrellM
- gkrellm-hddtemp - Hard disk temperature plugin for GKrellM
- gkrellm-themes - Some themes for the GNU Krell Monitor
- gkrellm-volume - GKrellM volume plugin
- gkrellm-weather - Weather plugin for GKrellM
- gkrellmms - GKrellM XMMS plugin
- gktools - GUI utilities for KerberosV tickets
- gl-117 - Action flight simulator
- glabels - A program for creating labels and business cards for GNOME
- glibmm24 - C++ interface for GTK2 (a GUI library for X)
- global - Source code tag system
- glpk - GNU Linear Programming Kit
- glunarclock - GNOME applet that displays the current lunar phase
- gmime - Library for creating and parsing MIME messages
- gmpc - GNOME frontend for the MPD
- gnet2 - A simple network library built upon glib
- gnochm - CHM file viewer
- gnofract4d - Gnofract 4D is a Gnome-based program to draw fractals
- gnokii - Linux/Unix tool suite for various mobile phones
- gnomad2 - A GNOME 2.0 client for the Creative Jukeboxes and Dell DJs
- gnome-applet-music - A GNOME panel applet to control various music players
- gnome-applet-netspeed - GNOME applet that shows traffic on a network device
- gnome-applet-rhythmbox - A GNOME panel applet to control Rhythmbox's playback
- gnome-applet-sensors - Gnome panel applet for hardware sensors
- gnome-applet-timer - A countdown timer applet for the GNOME panel
- gnome-blog - GNOME panel object for posting blog entries
- gnome-common - Useful things common to building gnome packages from scratch
- gnome-password-generator - Graphical secure password generator
- gnome-ppp - A GNOME 2 WvDial frontend
- gnome-sudoku - GNOME based Sudoku, a logic puzzle game
- gnome-telnet - Fancy GNOME telnet client
- gnome-theme-clearlooks-bigpack - Additional Clearlooks color schemes
- gnome-themes-extras - Collection of metathemes for the Gnome desktop environment
- gnome-translate - GNOME interface to libtranslate -- Natural language translator
- gnome-vfsmm26 - C++ wrapper for gnome-vfs
- gnome-yum - GNOME interface for YUM
- gnomebaker - Gnome CD/DVD burner
- gnomesword - GNOME-based Bible research tool
- gnotime - Tracks and reports time spent
- gnuchess - The GNU chess program
- gnugo - Text based go program
- gnumeric - A spreadsheet program for GNOME.
- gnupg2 - Utility for secure communication and data storage
- gobby - Free collaborative editor
- gonvert - Units conversion utility
- gossip - Gnome Jabber Client
- gourmet - PyGTK Recipe Manager
- gpa - Graphical user interface for GnuPG
- gparted - Gnome Partition Editor
- gperiodic - Program for browsing the periodic table
- gpgme - GnuPG Made Easy - high level crypto API
- gpgme03 - GnuPG Made Easy interface library
- gphpedit - A PHP source editor for GNOME 2
- gpp - GNOME Photo Printer
- gprolog - GNU Prolog is a free Prolog compiler
- gpsd - Service daemon for mediating access to a GPS
- gpsim - A simulator for Microchip (TM) PIC (TM) microcontrollers
- gputils - Development utilities for Microchip (TM) PIC (TM) microcontrollers
- gquilt - PyGTK GUI wrapper for quilt
- gqview - Image browser and viewer
- grace - Numerical Data Processing and Visualization Tool
- grads - Tool for easy acces, manipulation, and visualization of data
- gramps - Genealogical Research and Analysis Management Programming System
- graphviz - Graph Visualization Tools
- graveman - A frontend for cdrtools, dvd+rw-tools and sox
- grepmail - Search mailboxes for a particular email
- grhino - Reversi game for GNOME, supporting the Go/Game Text Protocol
- grip - Front-end for CD rippers and Ogg Vorbis encoders
- grisbi - Personal finances manager
- gstreamer-python - Python bindings for GStreamer
- gsynaptics - Settings tool for Synaptics touchpad driver
- gtk+extra - A library of gtk+ widgets
- gtk-gnutella - GUI based Gnutella Client
- gtk-qt-engine - A project allowing GTK to use Qt widget styles.
- gtk-xfce-engine - Port of Xfce engine to GTK+-2.0
- gtk2hs - A Haskell GUI library based on the Gtk+ GUI toolkit
- gtkdatabox - GTK+ widget for fast data display
- gtkglarea2 - OpenGL GTK widget
- gtkglext - OpenGL Extension to GTK
- gtklp - A GTK frontend to CUPS
- gtkmathview - A MathML rendering library
- gtkmm24 - C++ interface for GTK2 (a GUI library for X)
- gtktalog - The GNOME disk catalog
- gtkterm - Serial port terminal
- gtkwave - Waveform Viewer
- gtorrentviewer - A GTK2-based viewer and editor for BitTorrent meta files
- gtranslator - Gettext po file editor for GNOME
- gts - GNU Triangulated Surface Library
- gtweakui - Extra configuration dialogs for GNOME
- guichan - Portable C++ GUI library for games using Allegro, SDL and OpenGL
- gurlchecker - A Gnome link validity checker
- gv - A X front-end for the Ghostscript PostScript(TM) interpreter
- gweled - Swapping gem game
- gwenview - Simple image viewer for KDE
- gwget - Graphical download manager that uses wget
- gxemul - Instruction-level machine emulator