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