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

Halle Open 2021, Generali Open Kitzbühel 2021, Erste Bank Open 2022, Mùa săn (phim 2006), Qatar Total Open 2023, WTA Poland Open 2021, Moselle Open 2022, OpenERP, Ladies Open Lausanne 2023, St. Petersburg Open 2021, Chile Open 2023, Generali Open Kitzbühel 2023, OpenAI, Open Graphics Project, Mérida Open 2023, Ladies Open Lausanne 2022, Phần mềm nguồn mở, Madrid Masters, Open 13 2022, WTA Lyon Open 2023, Bad Homburg Open 2023, Miami Open 2019, Swedish Open 2023, With Arms Wide Open, Liên minh thiết bị cầm tay mở, Prague Open 2021, Watcom C/C++, Ladies Open Lausanne 2021, Transylvania Open 2021, Tenerife Ladies Open 2021, Tel Aviv Open 2022, Srpska Open 2023, Truy cập mở, ODF, Hamburg European Open 2023, Chile Open 2021, Open Season: Scared Silly, Qatar ExxonMobil Open 2020, Generali Open Kitzbühel 2022, Swedish Open 2022, Qatar ExxonMobil Open 2022, Toray Pan Pacific Open 2022, BMW Open 2023, Chennai Open 2022, VIA OpenBook, Winston-Salem Open 2022, Sofia Open 2021, The Phantom of the Open, Argentina Open 2023, Winston-Salem Open 2021

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