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