X/Open
EuroFormula Open
Open TV
OPEN LOOK
Valencia Open
Maharashtra Open
US Open
Open Doors
The Open Group
Sauna Open Air
Cable Open
Apache OpenOffice
Estoril Open
Thailand Open
Lloyd’s Open Form
Worms: Open Warfare 2
Kyokushinin Euroopan Open
The Open Door
Open Source Security Foundation
Kasvu Open
Stockholm Open
Lamar Hunt U.S. Open Cup
Lisbon Open 2014
Madrid Open (tennis)
OpenSolaris
Tampere Open
Linear Tape-Open
OpenGL
Moselle Open
China Open (tennis)
Eyes Wide Open
Auckland Open
Qatar Open (tennis)
Guangzhou International Women’s Open
Open Sans
China Open
Korea Open
Open Sesame
Croatia Open Umag
Open University
Madrid Open
Open Library
ZTE Open
Open Your Heart
Open Enterprise Linux Association
Open Hearts
Open Ear
Worms: Open Warfare
Open 3D Engine
Toray Pan Pacific Open
Every Open Eye
Turku Open
Open Records
Welsh Open
Eyes Open
Puolan Open
Open Water
IPP Open
European Open (frisbeegolf)
Barcelona Open
Mario Tennis Open
Flaamilaiset liberaalit ja demokraatit
Tampere Open 2016
Open Knowledge Finland
Brasilian Open
OpenStreetMap
Office Open XML
Britannian avoin golfturnaus
Open Source Initiative
Open Handset Alliance
Open Source Tripwire
Wide Open Spaces
Luettelo Sauna Open Air Metal Festivalin esiintyjistä
Open Your Eyes
China Open (snooker)
Serbia Open
Lyon Open
Wounds Wide Open
Miami Masters
Open Content Alliance
Voimamiesten Saarijärvi Open
Leave the Door Open
Avoin laitteisto
Eyes Open (kappale)
Gerry Weber Open
TLY Open Air
NES Open Tournament Golf
International GT Open
Open Software Foundation
All American Open
Swedish Open
Open Baltic Cup
Open Society Institute
OpenWrt
Satama Open Air
World Open Karate Championship
BMW Open
OpenDocument
Avoin lähdekoodi
Wacken Open Air
Nordea Nordic Light Open
Tampere Open 2015
Brasil Open
Ecuador Open
Eyes Wide Open (Twicen albumi)
Naisten World Open Karate Championship
Open the Forest
Steelfest Open Air
Open Sesame (Kool & the Gangin kappale)
Open Source Geospatial Foundation
Memories...Do Not Open
Istanbul Open
Hungarian Open
Eyes Wide Open (Naildownin kappale)
Sofia Open
Web Open Font Format
Boeing OC-135B Open Skies
Open Sesame (Freddie Hubbardin albumi)
Indira Gandhi National Open University
Eyes Wide Open (Sabrina Carpenterin albumi)
Open Wheel Grand Prix
Open Shading Language
Android Open Source Project
WTA Madrid Open (tennis)
Open Geospatial Consortium
OpenStack
Open Up and Say...Ahh!
Into the Great Wide Open
OpenJDK
Avoin Venäjä
Finnish Open (darts)
COSS
Hong Kong Tennis Open
Chilen avoin tennisturnaus
Finlandia Open
Aina auki
Open Sesame (Kool & the Gangin albumi)
Luettelo Tuskan esiintyjistä
Open Platform Communications
Geneva Open
OpenNebula
OpenSCAD
DreamHack Open Cluj-Napoca 2015
Formula 3 Brazil Open
Open Source Virtual Reality
Rio Open
Open Tree of Life
OpenCL
Open 13
Armoton maa
SAP Open
OpenPsych
OpenAI
World Open Karate Championship (IKO Matsushima)
OpenSkies
European Open Karate Championships (naiset)
Open Sound System
Test Drive Off-Road Wide Open
Open Your Heart (Madonnan kappale)
Curlie
Avoin innovaatio
OpenSUSE
Antalya Open
New York Open
OpenBSD
Yhdysvaltain avoin tennisturnaus 2006
Yhdysvaltain avoin tennisturnaus
Washington Open (tennis)
OpenAL
World Open (snookerturnaus)
Open Dynamics Engine
OpenRISC
OBS Studio
Australian avoin tennisturnaus
Wienin avoin tennisturnaus
Säiliöinti
Avoin saatavuus
OpenTTD
Open Source Applications Foundation
Volvo Open 70
Indian Wells Masters
Yhdysvaltain avoin golfturnaus
Ballmaster Open
OpenVMS
Open Your Heart (Birgittan kappale)
Yhdysvaltain avoin tennisturnaus 2009
Open Your Mind and Your Trousers
SIL Open Font License
Delray Beach Open
OpenVPN
OBN
Tuska
Shut Your Mouth and Open Your Eyes
OpenMandriva
Mambo (ohjelmisto)
SteamVR
International Monohull Open Classes Association
OpenSSL
Sveitsin avoin tennisturnaus
OpenSimulator