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OpenMI Standard
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US Open (9-Ball)
Staatsforsten Open-Air
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Colt Model 1871-72 .44 Open Top
Haikou World Open 2013
British Open Squash Championships
OpenRISC
Austrian Open
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Open de France
Open Game License
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Jin’an Open 2019
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Bell’s Open 1989
Singapur Open 2005
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Microsoft Open Specification Promise
Open Clip Art Library
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WSA Open Tour
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Russian Open (Badminton)
Open SQL
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Open Your Heart
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Hong Kong Open (Golf)
Tashkent Open 2009
OpenWrt
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Sorry, We’re Open
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Brussels Open 2011
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New Zealand Open (Badminton)
Šibenik Open 2024
OpenBGPD
Eckerd Open 1986
Volvo Women’s Open 2005
TEB BNP Paribas İstanbul Open 2015
Thailand Open 2013 (Tennis)
US Poker Open 2018
Volvo Women’s Open 2003
Whirlpool Monterrey Open 2012
Braunschweig Women’s Open 2015
Rio Open 2014/Herren
Seat Open Luxembourg 2004
HP Japan Women’s Open Tennis 2009
Sofia Open 2019