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
Tampere Open
Lamar Hunt U.S. Open Cup
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 Hearts
Open Enterprise Linux Association
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
Puolan Open
Barcelona Open
Open Water
European Open (frisbeegolf)
Mario Tennis Open
Flaamilaiset liberaalit ja demokraatit
Open Knowledge Finland
Tampere Open 2016
Office Open XML
Brasilian Open
Britannian avoin golfturnaus
Open Source Initiative
Open Handset Alliance
OpenStreetMap
Open Source Tripwire
China Open (snooker)
Luettelo Sauna Open Air Metal Festivalin esiintyjistä
Wide Open Spaces
Open Your Eyes
Serbia Open
Lyon Open
Miami Masters
Wounds Wide Open
Leave the Door Open
Open Content Alliance
Voimamiesten Saarijärvi Open
Gerry Weber Open
Avoin laitteisto
NES Open Tournament Golf
TLY Open Air
International GT Open
OpenWrt
Open Baltic Cup
Open Software Foundation
Satama Open Air
Swedish Open
Eyes Open (kappale)
All American Open
Open Society Institute
World Open Karate Championship
BMW Open
OpenDocument
Ecuador Open
Nordea Nordic Light Open
Wacken Open Air
Open the Forest
Brasil Open
Istanbul Open
Open Sesame (Kool & the Gangin kappale)
Avoin lähdekoodi
Naisten World Open Karate Championship
Eyes Wide Open (Twicen albumi)
Tampere Open 2015
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
Web Open Font Format
Indira Gandhi National Open University
Eyes Wide Open (Sabrina Carpenterin albumi)
Open Sesame (Freddie Hubbardin albumi)
Open Geospatial Consortium
Open Wheel Grand Prix
Open Up and Say...Ahh!
OpenJDK
Android Open Source Project
Open Shading Language
Into the Great Wide Open
WTA Madrid Open (tennis)
OpenStack
Finnish Open (darts)
Avoin Venäjä
Hong Kong Tennis Open
COSS
Chilen avoin tennisturnaus
Geneva Open
Open Sesame (Kool & the Gangin albumi)
Finlandia Open
Aina auki
Open Platform Communications
OpenSCAD
DreamHack Open Cluj-Napoca 2015
OpenNebula
Luettelo Tuskan esiintyjistä
Formula 3 Brazil Open
Armoton maa
Open Source Virtual Reality
Open Tree of Life
Rio Open
SAP Open
OpenCL
Open 13
OpenAI
OpenPsych
World Open Karate Championship (IKO Matsushima)
Test Drive Off-Road Wide Open
OpenSkies
European Open Karate Championships (naiset)
Open Sound System
Open Your Heart (Madonnan kappale)
OpenSUSE
Curlie
New York Open
Antalya Open
OpenBSD
Washington Open (tennis)
Avoin innovaatio
OpenRISC
Open Dynamics Engine
OpenAL
Yhdysvaltain avoin tennisturnaus
Yhdysvaltain avoin tennisturnaus 2006
OBS Studio
World Open (snookerturnaus)
Wienin avoin tennisturnaus
Säiliöinti
Avoin saatavuus
Australian avoin tennisturnaus
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
OpenVPN
SIL Open Font License
OpenMandriva
Tuska
Shut Your Mouth and Open Your Eyes
Mambo (ohjelmisto)
OpenSSL
OpenSimulator
Sveitsin avoin tennisturnaus
SteamVR
International Monohull Open Classes Association