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