オープン, OPENちゃん, Office Open XML, OpenGL, The Open Group, JAPAN OPEN (ダーツ), OpenOffice.org, OpenMQ, Open Enterprise Server, Open Geospatial Consortium, OPEN YOUR MIND, Open Babel, Open Firmware, OpenTP1, Apple Open Directory, Open Inventor, OpenJDK, Silent love〜open my heart〜/BE WITH U, OpenServer, OpenVMS, OpenSSH, Apache OpenOffice, OpenType, OpenMG, OpenID, OpenDocument Format Alliance, Open Database Connectivity, Open Salon, Open JTalk, Open Workbench, Open MPI, OPEN LOOK, OpenDocument, Open Library, Open Publication License, OpenURL, Open Forum Europe, Open Your Heart 〜素顔のままで〜, OpenAPI Specification, クイズ王最強決定戦〜THE OPEN〜, Open vSwitch

ALICE AGAIN 限りなき挑戦-OPEN GATE- THE SETLIST, OPEN HOUSE, Open棟梁, Open Transport, Open Build Service, Open Networking Foundation, MANGA OPEN, Alliance for Open Media, Open The Window, OpenPNE, OPEN ZOO, X/Open, Open Source Initiative, OPEN THE DOOR, OpenJS財団, OpenSUSE, Open Technology Fund, OpenRTM-aist, OpenBSD Foundation, Motif (GUI), "OPEN MUSIC CABINET" LIVE IN SAITAMA SUPER ARENA 2007, Eyes wide open, Open Dynamics Engine, SIL Open Font License, オープンセサミ, Open Service Mesh, Open d, OpenWrt, Open Agriculture Initiative, Open Packaging Conventions, OpenView, Open Door (Ms.OOJAの曲), VALE TUDO JAPAN OPEN 1995, Open Sound System, Open Content Alliance, Bless 〜close your eyes, open your mind.〜, VALE TUDO JAPAN OPEN 1994, Open Sesame! (曲), Open Software Foundation, Open! Study, The Open Group Architecture Framework, Microsoft Open Specification Promise, X/Open XA, Open Cascade テクノロジー, Open Invention Network, Linked Open Data, OpenCL, オープン・ユア・アイズ, AV OPEN〜あなたが決める!セルアダルトビデオ日本一決定戦〜, Open Reel Ensemble

オープン, OPENちゃん, Office Open XML, OpenGL, The Open Group, JAPAN OPEN (ダーツ), OpenOffice.org, OpenMQ, Open Enterprise Server, Open Geospatial Consortium, OPEN YOUR MIND, Open Babel, Open Firmware, OpenTP1, Apple Open Directory, Open Inventor, OpenJDK, Silent love〜open my heart〜/BE WITH U, OpenServer, OpenVMS, OpenSSH, Apache OpenOffice, OpenType, OpenMG, OpenID, OpenDocument Format Alliance, Open Database Connectivity, Open Salon, Open JTalk, Open Workbench, Open MPI, OPEN LOOK, OpenDocument, Open Library, Open Publication License, OpenURL, Open Forum Europe, Open Your Heart 〜素顔のままで〜, OpenAPI Specification, クイズ王最強決定戦〜THE OPEN〜, Open vSwitch, ALICE AGAIN 限りなき挑戦-OPEN GATE- THE SETLIST, OPEN HOUSE, Open棟梁, Open Transport, Open Build Service, Open Networking Foundation, MANGA OPEN, Alliance for Open Media, Open The Window, OpenPNE, OPEN ZOO, X/Open, Open Source Initiative, OPEN THE DOOR, OpenJS財団, OpenSUSE, Open Technology Fund, OpenRTM-aist, OpenBSD Foundation, Motif (GUI), "OPEN MUSIC CABINET" LIVE IN SAITAMA SUPER ARENA 2007, Eyes wide open, Open Dynamics Engine, SIL Open Font License, オープンセサミ, Open Service Mesh, Open d, OpenWrt, Open Agriculture Initiative, Open Packaging Conventions, OpenView, Open Door (Ms.OOJAの曲), VALE TUDO JAPAN OPEN 1995, Open Sound System, Open Content Alliance, Bless 〜close your eyes, open your mind.〜, VALE TUDO JAPAN OPEN 1994, Open Sesame! (曲), Open Software Foundation, Open! Study, The Open Group Architecture Framework, Microsoft Open Specification Promise, X/Open XA, Open Cascade テクノロジー, Open Invention Network, Linked Open Data, OpenCL, オープン・ユア・アイズ, AV OPEN〜あなたが決める!セルアダルトビデオ日本一決定戦〜, Open Reel Ensemble, OPEN THE LIFE, Open Financial Exchange, BitTorrent Open Source License, OpenL Translate, Open Neural Network Exchange, OpenFlow, オープン・ソサエティ財団, Common Open Software Environment, XML Paper Specification, 2021 JO1 LIVE “OPEN THE DOOR”, Open Container Initiative, オープンソースの定義, オープン仮想化フォーマット, Web Open Font Format, Open Mind Common Sense, GOING 2 DANCE/OPEN YOUR MIND, Open Security Foundation, オープンコンテント, OpenRISC, OpenFormula, MY EYES OPEN VVIDE, OpenShot Video Editor, Masayuki Suzuki taste of martini tour 2013 〜Open Sesame〜, オープンデータベースライセンス, 町まるごと宝探し!THE OPEN, 虹色の魚/Open Happiness/MONSTER, Open Scripting Architecture, Open Rights Group, オープン・ハンドセット・アライアンス, OpenSearch, OpenGL ES, Classic Shell, Project Open Sky, 公開大学, OPEN YOUR EYES -Nude Songs Vol.2-, OpenSceneGraph, OpenWindows, Open Charge Point Protocol, Open Sesame (鈴木雅之のアルバム), OpenXR, OpenH264, オープンアクセス, DITA Open Toolkit, OpenFOAM, Initiative for Open Authentication, OpenCPN, Massive open online course, FUKUOKA OPEN TOP BUS, OpenCV, OpenRaster, OpenStack, Office Open XML ファイルフォーマット, OpenDroneMap, Open Embedded Software Foundation, OpenSocial, Doa BEST ALBUM "open door" 2004-2014, OpenShift, Open Archival Information System, Open Data-Link Interface, Open Shading Language