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Qatar ExxonMobil Open 2019
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Ladies Open Lausanne 2023
OpenType
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OpenAI
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Open Graphics Project
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Phần mềm nguồn mở
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Ladies Open Lausanne 2022
Watcom C/C++
ODF
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Generali Open Kitzbühel 2022
Prague Open 2021
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Giải quần vợt Mỹ Mở rộng
Stockholm Open 2021
Ladies Open Lausanne 2021
BMW Open 2019 - Đơn
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Open Sud de France 2022 - Đôi
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Open Sud de France 2022
Tenerife Ladies Open 2021
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Toray Pan Pacific Open 2022
Barcelona Open Banco Sabadell 2011 - Vòng loại đơn
Qatar ExxonMobil Open 2020
Qatar Total Open 2021
Winston-Salem Open 2022
ATX Open 2023
Winston-Salem Open 2021
Open Arms (bài hát của Journey)
Croatia Open Umag 2021
Chennai Open 2022
Maharashtra Open 2022 - Đơn
BNP Paribas Open 2019
Sofia Open 2021
Bad Homburg Open 2022
Prague Open 2022
ABN AMRO Open 2023
Qatar ExxonMobil Open 2022
Argentina Open 2023
Western & Southern Open 2021
Swedish Open 2021
The Phantom of the Open
VIA OpenBook
Prague Open 2023
Barcelona Open Banco Sabadell 2019
Córdoba Open 2023
Mutua Madrid Open 2019 - Đôi nam
Open 13 2021
Delray Beach Open 2022
WTA Poland Open 2022
Gerry Weber Open 2018
Andalucía Open 2021
Giải quần vợt Mỹ Mở rộng 2019
Open 13 Provence 2023
Swiss Open Gstaad 2023
OpenStack
Croatia Open Umag 2023
Abu Dhabi Open 2023
Apache OpenOffice
WTA Poland Open 2023
Nottingham Open 2022
Croatia Open Umag 2022
Libéma Open 2022
OpenSSL
Sáng kiến nguồn mở
Quỹ Xã hội Mở
WTA German Open 2023
Hamburg European Open 2022
Swiss Open Gstaad 2021
Courmayeur Ladies Open 2021
Sardegna Open 2021
Qatar ExxonMobil Open 2021
Winners Open 2021
Qatar Total Open 2022
Stockholm Open 2022
Bad Homburg Open 2021
Córdoba Open 2022
Estoril Open 2021
Hall of Fame Open 2023
Giải quần vợt Mỹ Mở rộng 2022 - Đơn nam
Libéma Open 2022 - Đôi nữ
OpenSocial
Los Cabos Open 2023
Open Sud de France 2023
Astana Open 2022
Dallas Open 2022 - Đơn
Swiss Open Gstaad 2022
WTA Lyon Open 2022
BGL Luxembourg Open 2021
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OpenOffice.org Impress
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OpenSUSE Project
ATP Lyon Open 2023
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Hall of Fame Open 2021
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Intersport Heilbronn Open
Open Sud de France 2021
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Jasmin Open 2022
San Diego Open 2021
The Open Door
OpenCola
Gijón Open 2022
Rakuten Japan Open Tennis Championships 2022
MUSC Health Women's Open 2021
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OpenOffice.org Writer
Miami Open 2017 - Đơn nam
Tallinn Open 2022
National Bank Open 2021
Barcelona Open Banc Sabadell 2023
Giải quần vợt Estoril Mở rộng 2019
Open Sud de France 2019 - Đơn
Eyes Wide Open (album của Twice)
Qatar Total Open 2022 - Đôi
Cincinnati Masters
Argentina Open 2021
Nottingham Open 2023
OpenOffice Basic
Miami Open 2022
OpenGL
Sofia Open 2022
Memories...Do Not Open