Open Systems Interconnection

Open, Open Source, Open Access, Open Science, Verhoeven Open, Open Data, Open Knowledge Foundation, Open-Source-Hardware, Hylo Open, Phoenix Open, Open-Xchange, Open Culture, The Open University, European Open (Golf), Open Space, Women’s British Open, Open Roberta, Open Source Initiative, Open Geospatial Consortium, Open Group, US Open 2007, Welsh Open (Snooker), HipHop Open, Open-Collector-Ausgang, OpenSolaris, Dutch Open (Golf), Open-World-Spiel, Open Access Week, Open-Shell, Open interest, Open Textbook, Open Skies, US Open, Scottish Open (Golf), Open Service Access, OpenCL, Open Hub, Euroformula Open, Miami Open, Open Water 2, Open Europe

Czech Open (Golf), UK Open, OpenDocument, Bell’s Open, Linked Open Data, Open Firmware, Bavarian Open, X/Open, Open Water, Pfingst Open Air Werden, OpenBIT, German Open (Golf), International Open, US Poker Open, Diamond Open Access, Open Chemistry, Open-Access-Buch, The Senior Open Championship, Open Data Commons, Open CASCADE Technology, Open Ohr Festival, Open Mic, Open Range – Weites Land, Open House, South African Open (Golf), Open Beatz Festival, OpenType, Heaven’s Open, Office Open XML, U.S. Open (Golf), Stemweder Open Air, Open-Access-Zeitschrift, Australian Open, BMW Open, OpenGL, China Open (9-Ball), Korea Open, Singapore Open (Golf), India Open, Scottish Open (Snooker), Macau Open, Indonesia Open, Open-Closed-Prinzip, Denmark Open, OpenAlex, CERN Open Hardware Licence, Japan Open, Philippines Open, The Open Championship, OpenVAS

Open, Open Source, Open Access, Open Science, Verhoeven Open, Open Data, Open Knowledge Foundation, Open-Source-Hardware, Hylo Open, Phoenix Open, Open-Xchange, Open Culture, The Open University, European Open (Golf), Open Space, Women’s British Open, Open Roberta, Open Source Initiative, Open Geospatial Consortium, Open Group, US Open 2007, Welsh Open (Snooker), HipHop Open, Open-Collector-Ausgang, OpenSolaris, Dutch Open (Golf), Open-World-Spiel, Open Access Week, Open-Shell, Open interest, Open Textbook, Open Skies, US Open, Scottish Open (Golf), Open Service Access, OpenCL, Open Hub, Euroformula Open, Miami Open, Open Water 2, Open Europe, Czech Open (Golf), UK Open, OpenDocument, Bell’s Open, Linked Open Data, Open Firmware, Bavarian Open, X/Open, Open Water, Pfingst Open Air Werden, OpenBIT, German Open (Golf), International Open, US Poker Open, Diamond Open Access, Open Chemistry, Open-Access-Buch, The Senior Open Championship, Open Data Commons, Open CASCADE Technology, Open Ohr Festival, Open Mic, Open Range – Weites Land, Open House, South African Open (Golf), Open Beatz Festival, OpenType, Heaven’s Open, Office Open XML, U.S. Open (Golf), Stemweder Open Air, Open-Access-Zeitschrift, Australian Open, BMW Open, OpenGL, China Open (9-Ball), Korea Open, Singapore Open (Golf), India Open, Scottish Open (Snooker), Macau Open, Indonesia Open, Open-Closed-Prinzip, Denmark Open, OpenAlex, CERN Open Hardware Licence, Japan Open, Philippines Open, The Open Championship, OpenVAS, Open Web Index, OpenStreetMap, Malaysia Open 1937, US Open (Begriffsklärung), Chinese Taipei Open, Open Society Foundations, Munich Open, OpenLayers, Staatsforsten Open-Air, OpenH323, Indian Open 2019, Open Mike, German Open (Badminton), Open Offer, US Open (Snowboard), OpenHPI, United States Women’s Open Championship (Golf), Open-Field-Test, Hong Kong Open (Badminton), Open Medicine, OpenAI, Open-Source-Marketing, Singapore Open (Badminton), Open-Source-Font, Xuzhou Open, Verhoeven Open (Damen), Seguros Bolívar Open, BMW Open 1998 (Badminton), SR Ferien Open Air, Haikou World Open 2013, Topshelf Open 2013, OpenMI Standard, Directory of Open Access Books, OpenRISC, Singapur Open 2005, Open de France, Open Game License, Sommernachts‐Open‐Air, Colt Model 1871-72 .44 Open Top, Medival – Electronic Open Air, British Open Squash Championships, US Open (9-Ball), OpenVZ, Open SQL, Tupolew Tu-154M Open Skies, Bell’s Open 1989, US Poker Open 2022, Open-Book-Management, Jin’an Open 2019, Austrian Open, Jiangxi Open 2016, Open Publication License, Haikou World Open 2014, Open Peer Review, Tashkent Open 2009, Open Clip Art Library, Haikou World Open 2012, Stonehaven Open Air Swimming Pool, US Poker Open 2021, Microsoft Open Specification Promise