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, Maharashtra Open 2022, Zug Open, Chengdu Open, Barcelona Open Banco Sabadell 2011, Open Automotive Alliance, OpenOffice.org, OpenStreetMap, Moselle Open 2021, Eyes Wide Open, Tata Open Maharashtra 2023, Open Road Films, Mutua Madrid Open 2019, Rio Open 2022, Open Sud de France 2019, Rio Open 2023, Qatar ExxonMobil Open 2019, European Open (quần vợt), Halle Open 2022, European Open 2022, European Open 2021, Maharashtra Open 2022 - Đôi, Erste Bank Open 2021, Mutua Madrid Open 2018, BMW Open 2019 - Đôi, Halle Open 2023, Libéma Open 2023, Halle Open 2021, Miami Masters, Qatar Total Open 2023

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