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Singapur Open 2005
OpenMI Standard
Topshelf Open 2013
Jiangxi Open 2016
Singapore Open (Badminton)
Haikou World Open 2013
Open SQL
Sommernachts‐Open‐Air
Colt Model 1871-72 .44 Open Top
British Open Squash Championships
Haikou World Open 2014
US Open (9-Ball)
OpenOffice
Staatsforsten Open-Air
Open de France
Open Publication License
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Tashkent Open 2009
Haikou World Open 2012
Open-Book-Management
US Poker Open 2022
Austrian Open
Jin’an Open 2019
Bell’s Open 1989
US Poker Open 2021
Stonehaven Open Air Swimming Pool
Open Clip Art Library
Microsoft Open Specification Promise
Kashiwa Open 2024
WSA Open Tour
Seguros Bolívar Open 2012
Open Peer Review
OpenID
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Open Your Heart
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Swiss Open (Badminton)
Medival – Electronic Open Air
Réunion Open
Sorry, We’re Open
Šibenik Open 2024
US Poker Open 2023
Apache OpenOffice
US Poker Open 2018
OpenVZ
Badminton Open Saarbrücken 2014
TEB BNP Paribas İstanbul Open 2015
OpenWrt
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Córdoba Open 2024
Rio Open 2014/Herren
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Wrocław Open 2023
Liepāja Open 2022
Jin’an Open 2024
Estoril Open 2001
US Poker Open 2019
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British Poker Open 2019
OpenStage
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Pontin’s International Open Series
Open Badges
OpenAL
Badminton Open Saarbrücken 2006
Braunschweig Women’s Open 2013
Braunschweig Women’s Open 2014
Badminton Open Saarbrücken 2007
Rothesay Open Nottingham 2022
Thailand Open 2013 (Tennis)
Volvo Women’s Open 2005
Whirlpool Monterrey Open 2012
Badminton Open Saarbrücken 2003