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Open, Open source, Open data, Open textbook, Open-source film, Open standard, Open collector, Open Season (film series), Open-design movement, Open-source car, Doors Open Days, The Open Championship, Open House London, Open-pit mining, Open-source software, Open-source governance, Open-source software movement, Open-source hardware, Open-source religion, Open set, Canada Open, Open access, Open world, Open plan, Open university (concept), The Open Definition, Open science, Open-access repository, Open.Michigan, Open and closed maps, Open marriage, Open-notebook science, Australian Open, Taiwan Open (golf), Senior Open Championship, X/Open, Open access in Belgium, Irish Open (golf), Open University, Open-Sankoré, Open-source software development, Open House, Open list, Open-wheel car, Hybrid open-access journal, Open the Door, Chicago Open, Open-work charm, Open sandwich, Open education, Kenya Open, KSB Open, Open gaming, Open-ended, Open–closed principle, OpenDocument, Irish Poker Open, Open Graphics Project, The Open Source Definition, Garden Open, Open-source robotics, Open-core model, Phoenix Open, Open-access monograph, Mizuno Open, Wuhan Open, Open house (school), Indonesia Open (golf), Open Firmware, Open E, Open Season, Victorian Open, Open Bogotá, Open-Xchange, Open Knowledge Foundation, Open Cycle, Open Access Week, Open problem, Open-access mandate, Western Open, British Open Squash Championships, Open letter, Open chord, Open access in France, Thailand Open (golf), Almost open map, Open business, Open-source license, Open-mid vowel, North Dakota Open, Open architecture, 2007 U.S. Open (golf), Swedish Open, Nursing Open, Poznań Open, U.S. Open Pool Championship, Open classroom, Claro Open Floridablanca, Business models for open-source software, Brussels Open, Cincinnati Open, Open-source ventilator, Open Door, Thailand Open, The Open Ecology Journal, Open Up, Biology Open, Open space reserve, 2005 U.S. Open (golf), Gates Open Research, Maharashtra Open, Open de Portugal, Women's British Open, OpenBSD, Open government, Heritage Open Days, Korea Open (golf), Wide Open, Polish Open (golf), Open constituencies, BMJ Open, OpenCL, Open educational practices, Danish Open (golf), Open book, Alberta Open, List of open-source video games, US Open Series, Free and open-source software, Open-container law, Yomiuri Open, Open 13, International Open Series, U.S. Open (golf), Open Quaternary, List of US Open singles finalists during the Open Era, Open de Limoges, Open system, 1984 U.S. Open (golf), Hylo Open, The Open Group, Western Australian Open, Valero Texas Open, Open Science Infrastructure, 2007 US Open (tennis), 1979 U.S. Open (golf), 2005 European Judo Open Championships, Open implementation, Open-source video game, Open end, Open-air museum