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

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

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