| EXC | Experiment Computer | In English | → Hardware |
| EXH | Exchange Hardware | In English | → Hardware |
| FAEM | Fonds d'Aide à l'Édition Multimédia | In French | → Arts |
| FAH | Fournisseurs d'Applications Hébergées | In French | → Software |
| FAN | File Area Network | In English | → Networks, communication |
| FAO | Fabrication Assistée par Ordinateur | In French | → Computer-based techniques → Engineering, technology |
| FAP | FORTRAN Assembly Program | In English | → Programming languages |
| FAPAV | Federazione Anti-Pirateria Audiovisiva (www.fapav.it) | In Italian | → Organizations and associations → Computer-based techniques → Cinema, movies |
| FAST | Fast Search & Transfer (www.fastsearch.com) | In English | → Networks, communication → Computer-based techniques |
| FAT | File Allocation Table | In English | → Operating systems |
| FBQ | Flow Based Queueing | In English | → Networks, communication |
| FC | Flight Computer | In English | → Hardware → Aeronautics, aircraft → Spaceflight engineering, astronautics |
| FCAP | Flight Control Applications Program | In English | → Software → Aeronautics, aircraft → Spaceflight engineering, astronautics |
| FCCN | Fundação para a Computação Científica Nacional | In Portuguese | → Foundations → Computer-based techniques → Mathematics and natural sciences |
| FCDB | Flight Control Data Bus | In English | → Aeronautics, aircraft → Spaceflight engineering, astronautics |
| FCIM | Flight Control Interface Module | In English | → Human-computer interaction → Aeronautics, aircraft → Spaceflight engineering, astronautics |
| FCOS | Flight Control Operating System | In English | → Aeronautics, aircraft → Spaceflight engineering, astronautics → Operating systems |
| FCOS | Flight Control Operational Software | In English | → Aeronautics, aircraft → Spaceflight engineering, astronautics → Software |
| FCOS | Flight Computer Operating System | In English | → Aeronautics, aircraft → Spaceflight engineering, astronautics → Operating systems |
| FDDI | Fiber Distributed Data Interface | In English | → Internet |
| FDK | Flight Display Keyboard | In English | → Aeronautics, aircraft → Spaceflight engineering, astronautics → Software |
| FDL | FERIA Description Language | In English | → Software |
| FDS | Flight Dynamics Software | In English | → Software → Aeronautics, aircraft → Spaceflight engineering, astronautics |
| FDS | Failure Dynamics Software | In English | → Software |
| FDS | Flex Data Services | In English | → Software |
| FEID | Flight Equipment Interface Device | In English | → Human-computer interaction → Aeronautics, aircraft → Spaceflight engineering, astronautics |
| FEID | Flight Equipment Interface Design | In English | → Human-computer interaction → Aeronautics, aircraft → Spaceflight engineering, astronautics |
| FEID | Functional Engineering Interface Device | In English | → Human-computer interaction |
| FEP | Front-End Processor | In English | → Hardware |
| FERIA | Framework pour l’Expérimentation et la Réalisation Industrielle d’Applications multimédias | In French | → Software |
| FERTILL | (Le) Fertois pour l’Information sur les Logiciels Libres | In French | → Organizations and associations → Software |
| FFD | Fixed-Format Display | In English | → Human-computer interaction |
| FFSV | Fédération Française des Sports Vidéo (www.sports-video.net) | In French | → Organizations and associations → Software → Sport, physical exercises |
| FFYS | Frij Fryske Ynternet Skriuwers | In Frisian | → Networks, communication |
| FIB | Facultat d'Informàtica de Barcelona | In Spanish | → Higher education, universities |
| FICAM | Fédération des Industries du Cinéma, de l’Audiovisuel et du Multimédia (www.ficam.fr) | In French | → Organizations and associations → Cinema, movies → Software |
| FicML | Fiction Markup Language | In English | → Programming languages → Literature |
| FIEN | Filière des Industries Électroniques et Numériques | In French | → Telecommunications |
| FIFO | First In/First Out | In English | → 00431 |
| FIMM | Fédération des Industries et Métiers du Multimédia | In French | → Organizations and associations → Cinema, movies |
| FInfo | Fundamenta Informaticae | In Latin | → Serial publications, periodicals |
| FING | Fondation Internet Nouvelle Génération (www.fing.org) | In French | → Foundations → Internet |
| FING | Fondation pour l'Internet Nouvelle Génération | In French | → Internet → Foundations |
| FIPS | Federal Information Processing Standard | In English | → Computer-based techniques → Standardization |
| FIRM | Forschungsinstitut Rechenintensive Methoden | In German | → Computer-based techniques → Mathematics |
| FLAPS | Flight Application Software | In English | → Aeronautics, aircraft → Spaceflight engineering, astronautics → Software |
| FLOPS | Floating-Point Operations Per Second | In English | |
| FLOSS | Free/Libre Open Source Software | In English | → Software |
| FMAHTS | Flight Manifest and Hardware Tracking System | In English | → Aeronautics, aircraft → Spaceflight engineering, astronautics → Hardware |
| FOAF | Friend of a Friend | In English | → Programming languages → Networks, communication |
| FOCUS | ReinFOrcing CompUter Science | In English | |
| FODM | Field Operations Data Model | In English | → Software |
| FOPL | First Order Predicate Logic | In English | → Mathematics |
| FORTRAN | Formula Translation | In English | → Programming languages |
| FOSDIC | Film Optical Sensing Device for Input to Computers | In English | |
| FPGA | FIeld-Programmable Gate Array | In English | → Hardware → Electronics |
| FQ | Fair Queueing | In English | → Networks, communication |
| FREMP | Fédération Régionale des Entreprises du Multimédia en Midi-Pyrénées (www.fremp.org) | In French | → Organizations and associations → Cinema, movies |
| FRI | Fakulteta za računalništvo in informatiko | In Slovenian | → Higher education, universities |
| FrInJ | Franklin Institute Journal | In English | → Serial publications, periodicals → Mathematics → Engineering, technology |
| FSCP | Flight Support Computer Program | In English | → Aeronautics, aircraft → Spaceflight engineering, astronautics |
| FSE | Fast Software Encryption | In English | → Software → Mathematics → Telecommunications |
| FSF | Free Software Foundation | In English | → Foundations → Software |
| FSI | Flight Software Integration | In English | → Software → Aeronautics, aircraft → Spaceflight engineering, astronautics |
| FSIWG | Flight System Interface Working Group | In English | → Human-computer interaction → Aeronautics, aircraft → Spaceflight engineering, astronautics |
| FSM | Firmware Support Manual | In English | |
| FSP | Fiber Service Platform | In English | → Networks, communication |
| FSRR | Flight Software Readiness Review | In English | → Software → Aeronautics, aircraft → Spaceflight engineering, astronautics |
| FSRU | File Substring Replacement Utility | In English | |
| FSSR | Functional Subsystem Software Requirements | In English | → Software |
| FSSR | Flight System Software Requirements | In English | → Software → Aeronautics, aircraft → Spaceflight engineering, astronautics |
| FSSR | Flight System Software Request | In English | → Software → Aeronautics, aircraft → Spaceflight engineering, astronautics |
| FSUGAr | Free Software Users Group Arlon | In English | → Organizations and associations → Software |
| FSW | Flight Software | In English | → Software → Spaceflight engineering, astronautics |
| FTAM | File Transfer, Access, and Management | In English | |
| FTAM | File Transfer, Access and Management | In English | |
| FTAM | File Transfer Access and Management | In English | → Software → Networks, communication |
| FTI | Forum per la Tecnologia della Informazione | In Italian | → Organizations and associations → Telecommunications |
| FTMC | Fault-Tolerant Memory Control | In English | → Memories |
| FTMK | Fakulti Teknologi Maklumat dan Komunikasi | In Malay | → Higher education, universities → Telecommunications |
| FTP | Functional Test Program | In English | → Software |
| FTP | File Transfer Protocol | In English | → 00463 → Networks, communication |
| FTTH | Fiber To The Home | In English | → Networks, communication → Telecommunications |
| FTW | From The Wilderness | In English | → Newspapers, journalism → Internet |
| FULBI | Fédération des Utilisateurs de Logiciels de Bibliothèque | In French | → Organizations and associations → Libraries |
| G3L | Groupe pour la promotion de GNU/Linux et des Logiciels Libres | In French | → Organizations and associations → Software → Operating systems |
| GAIPDM | Greek Association of Image Processing and Digital Media | In English | → Associations → Computer-based techniques |
| GAMS | Guide to Available Mathematical Software | In English | → Software → Mathematics |
| GBS | Google Books Search | In English | → Libraries → Networks, communication |
| GBS | Ground-Based Software | In English | → Software |
| GC | Guidance Computer | In English | → Hardware |
| GC | Ground Computer | In English | → Hardware |
| GCCC | Ground Control Computer Center | In English | → Hardware |
| GCI | Graphical Computer Interface | In English | → Human-computer interaction |
| GCID | Ground Computer Interface Device | In English | → Human-computer interaction |
| GCIL | Ground Command Interface Logic | In English | → Human-computer interaction |
| GCIL | Ground Control Interface Logic | In English | → Human-computer interaction |
| GCN | Ground Control Network | In English | → Networks, communication |
| GCN | Ground Communications Network | In English | → Telecommunications → Networks, communication |
| GCOS | General Computer Operational System | In English | |
| GCOS | Ground Computer Operating System | In English | → Operating systems |
| GDBS | Generalized Data Base System | In English | → Data |
| GDDM | Graphical Data Display Manager | In English | → Human-computer interaction |
| GDMS | Ground Data Management System | In English | → Data → Knowledge management |
| GDMS | Generic Data Management System | In English | → Data → Knowledge management |
| GDN | Gestion Numérique des Droits = DRM | Digital Rights Management | In English |
In French | → Document processing → Industrial property → Artistic property |
| GDSD | Ground Data Systems DIvision | In English | → Data |
| GDSM | Ground Data Systems Manager | In English | → Data |
| GDSO | Ground Data Systems Officer | In English | → Data |
| GDZ | Göttinger Digitalisierungszentrum | In German | → Document processing → Libraries |
| GE | Gigabit Ethernet | In English | → Networks, communication |
| GED | Gerenciamento Eletrônico de Documentos = GED | Gestion Électronique des Documents | In French = EDM | Electronic Document Management | In English = GED | Gestão Electrónica de Documentos | In Portuguese |
In Portuguese | → Document processing → Knowledge management → Libraries |
| GED | Gestão Electrónica de Documentos = EDM (look above) |
In Portuguese | → Document processing → Knowledge management → Libraries |
| GED | Gestion Électronique des Documents = EDM (look above) |
In French | → Document processing → Knowledge management → Libraries |
| GEDEM | Groupement des Éditeurs et Diffuseurs d’Éducatif Multimédia (www.gedem.org) | In French | → Organizations and associations → Education → Cinema, movies |
| GEIDE | Gestion Électronique de l'Information ou de Documents Existants | In French | → Document processing → Knowledge management |
| GEII | Génie Électrique et Informatique Industrielle | In French | → Electrical engineering |
| GELLMU | Generalized Extensible LaTeX-Like MarkUp | In English | → Programming languages → Data |
| GENI | Global Environnement for Network Innovations | In English | → Networks, communication |
| GFC | Gigabit Fiber Channel | In English | → Networks, communication |
| GFD | Government-Furnished Data | In English | → Data → Public administration, government |
| GFS | Government-Furnished Software | In English | → Central administration → Software |
| GI | Gesellschaft für Informatik (www.gi-ev.de) | In German | → Organizations and associations |
| GIA | General-Purpose Computer Interface Adapter | In English | → Human-computer interaction |
| GIC | GPC Interface Console | In English | → Human-computer interaction |
| GIDE | Gestion de l'Information et de la Documentation en Entreprise | In French | → Document processing → Knowledge management → Libraries |
| GIDEP | Government-Industry Data Exchange Program | In English | → Data → Public administration, government |
| GIDEP | Government Interagency Data Exchange Program | In English | → Data → Public administration, government |
| GIDS | General-Purpose Interactive Display System | In English | → Hardware → Electronics |
| GIF | Graphics Interchange Format | In English | → Data |
| GIF | Graphic Interchange Format | In English | → Graphical processing → Image processing" |
| GIM | Generalized Information Management | In English | → Data → Knowledge management |
| GIOP | General Inter-ORB Protocol | In English | → Software |
| GIRLS | Generalized Information Retrieval Language System | In English | → Data → Operating systems |
| GIRPR | Gruppo Italiano Ricercatori in Pattern Recognition | In Italian | → Organizations and associations → Computer-based techniques |
| GIS | Geografický Informační Systém = GIS | Geographic(al) Information System | In English = SIG | Sistema Informativo Geografico | In Italian = SIG | Sistema de Información Geográfica | In Spanish = SIG | Sistema d'informació geogràfica | In Catalan = ГИС | Географска информационна система | In Bulgarian = ΓΣΠ | Γεωγραφικά Συστήματα Πληροφοριών | In Greek = GIS | Geographisches Informationssystem | In German = GIS | Geoinformationssystem | In German = GIS | Geoinfosüsteem | In Estonian = GIS | Geografski informacijski sustav | In Croatian = ממ"ג | מערכת מידע גאוגרפית | In Hebrew = GIS | Geografinė informacinė sistema | In Lithuanian = SIG | Sistem Informasi Geografis | In Indonesian = GIS | Geografisch Informatiesysteem | In Dutch = GIS | Geografiske informasjonssystem | In Nynorsk = GIS | Geografiske informasjonssystemer | In Norwegian = SIG | Sistema de informação geográfica | In Portuguese = ГИС | Географическая Информационная Система | In Russian = GIS | Geografski informacijski sistem | In Slovenian = GIS | Geografiskt InformationsSystem | In Swedish = ГІС | Геоінформаційна система | In Ukrainian |
In Czech | → Software → Geography |
| GIS | Geografiske informasjonssystemer = SIG, ГИС, ΓΣΠ, ממ"ג, ГІС (look above) |
In Norwegian | → Software → Geography |
| GIS | Geografisch Informatiesysteem = SIG, ГИС, ΓΣΠ, ממ"ג, ГІС (look above) |
In Dutch | → Software → Geography |
| GIS | Geografinė informacinė sistema = SIG, ГИС, ΓΣΠ, ממ"ג, ГІС (look above) |
In Lithuanian | → Software → Geography |
| GIS | Geografski informacijski sistem = SIG, ГИС, ΓΣΠ, ממ"ג, ГІС (look above) |
In Slovenian | → Software → Geography |
| GIS | Geografski informacijski sustav = SIG, ГИС, ΓΣΠ, ממ"ג, ГІС (look above) |
In Croatian | → Software → Geography |
| GIS | Geoinfosüsteem = SIG, ГИС, ΓΣΠ, ממ"ג, ГІС (look above) |
In Estonian | → Software → Geography |
| GIS | Geografiske informasjonssystem = SIG, ГИС, ΓΣΠ, ממ"ג, ГІС (look above) |
In Nynorsk | → Software → Geography |
| GIS | Geoinformationssystem = SIG, ГИС, ΓΣΠ, ממ"ג, ГІС (look above) |
In German | → Software → Geography |
| GIS | Geographisches Informationssystem = SIG, ГИС, ΓΣΠ, ממ"ג, ГІС (look above) |
In German | → Software → Geography |
| GIS | Geografiskt InformationsSystem = SIG, ГИС, ΓΣΠ, ממ"ג, ГІС (look above) |
In Swedish | → Software → Geography |
| GIS | Geographic(al) Information System = SIG, ГИС, ΓΣΠ, ממ"ג, ГІС (look above) |
In English | → Software → Geography |
| GITEP TICS | Groupement des Industries des Technologies de l'Information et de la Communication | In French | → Organizations and associations → Telecommunications" |
| GKS | Graphics Kernel System | In English | → Software |
| GKS | Graphical Kernel System | In English | → Operating systems |
| GLANCE | GlobAL Computer ScieNCE | In English | |
| GLP | GOAL Language Processor | In English | → Software |
| GMAO | Gestion de la Maintenance Assistée par Ordinateur | In French | → Maintenance and logistics → Computer-based techniques |
| GMIP | Graphical Models and Image Processing | In English | → Serial publications, periodicals → Graphical processing → Image processing |
| GMIS | GSSC Management Information System | In English | → Data |
| GMIS | Ground STDN Management Information System | In English | → Data |
| GML | Geography Markup Language | In English | → Programming languages → Geography |
| GMuD | Gesellschaft Mathematik und Datenverarbeitung | In German | → Serial publications, periodicals → Mathematics |
| GMULL | Groupe Mareuillais d'Utilisateurs de Logiciels Libres | In French | → Software |
| GNC | Guidance and Navigation Computer | In English | → Hardware → Vehicle engineering |
| GNOME | GNU Network Object Model Environment | In English | → Software |
| GNU | GNU's Not Unix | In English | → Software |
| GOAPI | Grupo de Óptica Aplicada y Procesado de Imágenes | In Spanish | → Graphical processing → Image processing → Optics |
| GOLD | General Ontology for Linguistic Description | In English | → Programming languages → Linguistics |
| GOSCON | Government Open Source Conference | In English | → Congresses → Software |
| GOSIP | Government Open Systems Interconnection Profile | In English | |
| GPAO | Gestion de Production Assistée par Ordinateur | In French | → Computer-based techniques → Engineering, technology |
| GPC | General-Purpose Computer | In English | → Hardware |
| GPCIPL | General-Purpose Computer Initial Program Load | In English | |
| GPGPU | General-Purpose Computing on Graphics Processing Units | In English | |
| GPIO | General-Purpose Input and Output | In English | → Data |
| GPL | GOAL Processing Language | In English | → Programming languages → Spaceflight engineering, astronautics |
| GPL | Groupe des Pingouins Libres | In French | → Organizations and associations → Operating systems |
| GPRN | GOAL Test Procedure Release Notice | In English | → Programming languages → Spaceflight engineering, astronautics |
| GPS | General Processing Subsystem | In English | → Hardware |
| GPSCP | GPS (Global Positioning System) Computer Program | In English | → Software → Geodesy, cartography → Spaceflight engineering, astronautics |
| GPUR | GOAL Test Procedure Update Request | In English | → Programming languages → Spaceflight engineering, astronautics |
| GRAL | Groupement Réunionnais des Amis de Linux | In French | → Organizations and associations → Operating systems |
| GRAPE | Graphics Programming Environment | In English | → Computer-based techniques → Mathematics |
| GRCE | Groupe national de Recherche en Communication Écrite | In French | → Document processing |
| GRDDL | Gleaning Resource Descriptions from Dialects of Languages | In English | → Data → Networks, communication |
| GRETIA | Génie des Réseaux de Transport et Informatique Avancée | In French | → Transport and postal services |
| GRIM | Groupe de Recherche en Informatique et Mathématiques | In French | → Organizations and associations → Mathematics |
| GrUB | Groupe d'utilisateurs borains | In French | → Organizations and associations → Operating systems |
| GSAS | Government Selected Application Systems | In English | → Software |
| GSDL | Ground Software Development Laboratory | In English | → Research institutes → Software |
| GSIU | Ground Standard Interface Unit | In English | → Human-computer interaction |
| GSPF | Ground Software Production Facility | In English | → Software |
| GSS | Ground Support Software | In English | → Software |
| GSSC | Ground Support Simulation Computer | In English | → Hardware |
| GSTDN | Ground Spacecraft Tracking and Data Network | In English | → Data → Astronomy → Spaceflight engineering, astronautics |
| GTPB | Groupe de Traitement de la Parole et de Biométrie | In French | → Computer-based techniques → Linguistics |
| GTR | Génie des Télécommunications et des Réseaux | In French | → Networks, communication → Telecommunications |
| GU4L | Groupe des Utilisateurs de Logiciels Libres Léo Lagrange | In French | → Organizations and associations → Software |
| GUI | Graphical User Interface = IGU | Interfaz Gráfica de Usuario | In Spanish |
In English | → Human-computer interaction |
| GUL | (php)Gtk User Language | In English | |
| GUL | Groupes d'Utilisateurs de Linux = LUG | Linux Users' Groups | In English |
In French | → Organizations and associations → Operating systems |
| GULAT | Groupe d'utilisateur de Linux de l'Abitibi-Témiscamingue | In French | → Organizations and associations → Operating systems |
| GULG | Groupe des Utilisateurs du Libre en Guyane | In French | → Organizations and associations → Software |
| GULiDef | Groupe des Utilisateurs de Linux dans la Défense | In French | → Organizations and associations → Operating systems → Military engineering |