The Open Championship, Open Championship 2018, Open Your Heart, Eyes Open (bài hát), Noventi Open 2019, Office Open XML, BMW Open 2019, Open 13 2019, Mutua Madrid Open 2017, Canadian Open, Miami Open 2017, 2 on 2 Open Ice Challenge, Zug Open, Maharashtra Open 2022, Open Automotive Alliance, Barcelona Open Banco Sabadell 2011, Chengdu Open, OpenOffice.org, OpenStreetMap, Moselle Open 2021, Mutua Madrid Open 2019, Tata Open Maharashtra 2023, Eyes Wide Open, Open Road Films, Qatar ExxonMobil Open 2019, Open Sud de France 2019, European Open (quần vợt), Rio Open 2022, Rio Open 2023, Halle Open 2022, European Open 2021, Maharashtra Open 2022 - Đôi, European Open 2022, BMW Open 2019 - Đôi, Erste Bank Open 2021, Mutua Madrid Open 2018, Libéma Open 2023, Halle Open 2023, Miami Masters, Halle Open 2021, OpenType

Atlanta Open 2021, OpenERP, Qatar Total Open 2023, Erste Bank Open 2022, Miami Open 2019, Ladies Open Lausanne 2023, St. Petersburg Open 2021, Generali Open Kitzbühel 2021, Mùa săn (phim 2006), Moselle Open 2022, WTA Poland Open 2021, OpenAI, Swedish Open 2023, Bad Homburg Open 2023, Phần mềm nguồn mở, Mérida Open 2023, Watcom C/C++, Chile Open 2023, Ladies Open Lausanne 2022, Generali Open Kitzbühel 2023, Open Graphics Project, Madrid Masters, With Arms Wide Open, WTA Lyon Open 2023, Prague Open 2021, BMW Open 2019 - Đơn, Chile Open 2021, Tel Aviv Open 2022, Open 13 2022, Liên minh thiết bị cầm tay mở, Generali Open Kitzbühel 2022, Truy cập mở, Ladies Open Lausanne 2021, Open Agriculture, ODF, Barcelona Open Banco Sabadell 2011 - Vòng loại đơn, Transylvania Open 2021, Stockholm Open 2021, Srpska Open 2023, Toray Pan Pacific Open 2022, Open Season: Scared Silly, Tenerife Ladies Open 2021, Hamburg European Open 2023, Swedish Open 2022, Open Sud de France 2022, Estoril Open 2023, ATX Open 2023, Winston-Salem Open 2022, Qatar ExxonMobil Open 2020, BMW Open 2023

The Open Championship, Open Championship 2018, Open Your Heart, Eyes Open (bài hát), Noventi Open 2019, Office Open XML, BMW Open 2019, Open 13 2019, Mutua Madrid Open 2017, Canadian Open, Miami Open 2017, 2 on 2 Open Ice Challenge, Zug Open, Maharashtra Open 2022, Open Automotive Alliance, Barcelona Open Banco Sabadell 2011, Chengdu Open, OpenOffice.org, OpenStreetMap, Moselle Open 2021, Mutua Madrid Open 2019, Tata Open Maharashtra 2023, Eyes Wide Open, Open Road Films, Qatar ExxonMobil Open 2019, Open Sud de France 2019, European Open (quần vợt), Rio Open 2022, Rio Open 2023, Halle Open 2022, European Open 2021, Maharashtra Open 2022 - Đôi, European Open 2022, BMW Open 2019 - Đôi, Erste Bank Open 2021, Mutua Madrid Open 2018, Libéma Open 2023, Halle Open 2023, Miami Masters, Halle Open 2021, OpenType, Atlanta Open 2021, OpenERP, Qatar Total Open 2023, Erste Bank Open 2022, Miami Open 2019, Ladies Open Lausanne 2023, St. Petersburg Open 2021, Generali Open Kitzbühel 2021, Mùa săn (phim 2006), Moselle Open 2022, WTA Poland Open 2021, OpenAI, Swedish Open 2023, Bad Homburg Open 2023, Phần mềm nguồn mở, Mérida Open 2023, Watcom C/C++, Chile Open 2023, Ladies Open Lausanne 2022, Generali Open Kitzbühel 2023, Open Graphics Project, Madrid Masters, With Arms Wide Open, WTA Lyon Open 2023, Prague Open 2021, BMW Open 2019 - Đơn, Chile Open 2021, Tel Aviv Open 2022, Open 13 2022, Liên minh thiết bị cầm tay mở, Generali Open Kitzbühel 2022, Truy cập mở, Ladies Open Lausanne 2021, Open Agriculture, ODF, Barcelona Open Banco Sabadell 2011 - Vòng loại đơn, Transylvania Open 2021, Stockholm Open 2021, Srpska Open 2023, Toray Pan Pacific Open 2022, Open Season: Scared Silly, Tenerife Ladies Open 2021, Hamburg European Open 2023, Swedish Open 2022, Open Sud de France 2022, Estoril Open 2023, ATX Open 2023, Winston-Salem Open 2022, Qatar ExxonMobil Open 2020, BMW Open 2023, Winston-Salem Open 2021, Open Sud de France 2022 - Đôi, ABN AMRO Open 2023, Chennai Open 2022, Croatia Open Umag 2021, Sofia Open 2021, Qatar Total Open 2021, Prague Open 2022, Maharashtra Open 2022 - Đơn, Open 13 2021, Qatar ExxonMobil Open 2022, Argentina Open 2023, Prague Open 2023, WTA Poland Open 2022, Giải quần vợt Mỹ Mở rộng, Mutua Madrid Open 2019 - Đôi nam, VIA OpenBook, Barcelona Open Banco Sabadell 2019, Open Arms (bài hát của Journey), The Phantom of the Open, BNP Paribas Open 2019, Open 13 Provence 2023, Swiss Open Gstaad 2023, Gerry Weber Open 2018, Swedish Open 2021, Bad Homburg Open 2022, Córdoba Open 2023, Andalucía Open 2021, Croatia Open Umag 2023, Libéma Open 2022, Delray Beach Open 2022, Apache OpenOffice, WTA Poland Open 2023, Giải quần vợt Mỹ Mở rộng 2019, Western & Southern Open 2021, OpenStack, Nottingham Open 2022, Croatia Open Umag 2022, Abu Dhabi Open 2023, WTA German Open 2023, Quỹ Xã hội Mở, Hamburg European Open 2022, OpenSSL, Qatar Total Open 2022, Bad Homburg Open 2021, Sáng kiến nguồn mở, Qatar ExxonMobil Open 2021, Sardegna Open 2021, OpenSocial, WTA Lyon Open 2022, Swiss Open Gstaad 2021, Courmayeur Ladies Open 2021, ATP Hong Kong Tennis Open 2025, Stockholm Open 2022, Libéma Open 2022 - Đôi nữ, Estoril Open 2021, Córdoba Open 2022, Giải quần vợt Mỹ Mở rộng 2022 - Đơn nam, Los Cabos Open 2023, Swiss Open Gstaad 2022