オープン, OPENちゃん, Office Open XML, OpenGL, The Open Group, JAPAN OPEN (ダーツ), OpenOffice.org, Open Enterprise Server, Open Geospatial Consortium, OpenMQ, 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, Open Salon, OpenDocument Format Alliance, Open Database Connectivity, Open JTalk, Open Workbench, Open MPI, Open Library, OpenDocument, OPEN LOOK, Open Publication License, Open Forum Europe, OpenURL, Open Your Heart 〜素顔のままで〜, クイズ王最強決定戦〜THE OPEN〜, OpenAPI Specification, ALICE AGAIN 限りなき挑戦-OPEN GATE- THE SETLIST

Open vSwitch, OPEN HOUSE, Open棟梁, Open Transport, Open Build Service, MANGA OPEN, Alliance for Open Media, Open Networking Foundation, Open The Window, X/Open, OPEN ZOO, Open Source Initiative, OpenPNE, OPEN THE DOOR, Eyes wide open, Open Technology Fund, OpenJS財団, OpenRTM-aist, OpenBSD Foundation, "OPEN MUSIC CABINET" LIVE IN SAITAMA SUPER ARENA 2007, OpenSUSE, Motif (GUI), SIL Open Font License, Open d, Open Dynamics Engine, Open Service Mesh, OpenWrt, オープンセサミ, Open Packaging Conventions, Open Agriculture Initiative, OpenView, VALE TUDO JAPAN OPEN 1995, Open Door (Ms.OOJAの曲), Open Content Alliance, Open Sound System, VALE TUDO JAPAN OPEN 1994, Bless 〜close your eyes, open your mind.〜, Open Sesame! (曲), Open Software Foundation, Open! Study, The Open Group Architecture Framework, Microsoft Open Specification Promise, X/Open XA, Open Invention Network, Linked Open Data, Open Cascade テクノロジー, OpenCL, Open Reel Ensemble, 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〜

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