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United States Women’s Open Championship (Golf)
Singapore Open (Badminton)
BMW Open 1998 (Badminton)
Xuzhou Open
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Colt Model 1871-72 .44 Open Top
Topshelf Open 2013
British Open Squash Championships
OpenMI Standard
Haikou World Open 2013
Directory of Open Access Books
Sommernachts‐Open‐Air
Singapur Open 2005
Open de France
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Open Game License
Staatsforsten Open-Air
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OpenRISC
US Poker Open 2021
Open SQL
Austrian Open
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Bell’s Open 1989
WSA Open Tour
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Haikou World Open 2014
Open Clip Art Library
Open Publication License
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Microsoft Open Specification Promise
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Open Peer Review
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Mutua Madrid Open
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Russian Open (Badminton)
Hong Kong Open (Golf)
Stonehaven Open Air Swimming Pool
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Open Your Heart
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Sorry, We’re Open
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OpenWrt
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Córdoba Open 2024
Open Vlaamse Liberalen en Democraten
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Australian Poker Open 2020
OpenAL
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Liepāja Open 2022
Open Badges
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Estoril Open 2001
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British Poker Open 2019
Rothesay Open Nottingham 2022
Pontin’s International Open Series
OpenStage
Badminton Open Saarbrücken 2004
Jin’an Open 2024
Brussels Open 2011
Badminton Open Saarbrücken 2003
Devil’s Backbone Open Space
New Zealand Open (Badminton)
OpenLandscapes
The Bahamas Women’s Open 2011
Open Door International
OpenBGPD
Whirlpool Monterrey Open 2012
Arctic Open 2023
Šibenik Open 2024
Thailand Open 2013 (Tennis)
Volvo Women’s Open 2005
TEB BNP Paribas İstanbul Open 2015