Open and affirming

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Open, Open source, Open data, Open textbook, Open-source film, Open standard, Open collector, Open-source car, Open Season (film series), The Open Championship, Open-design movement, Doors Open Days, Open world, Open-source software, Open-source governance, Open House London, Open set, Open access, Open-source hardware, Open-source religion, Open-pit mining, Canada Open, Open-source software movement, Open science, Open plan, Australian Open, Open marriage, The Open Definition, Open and closed maps, Open-access repository, Senior Open Championship, Open.Michigan, Open-notebook science, Open-source software development, Open access in Belgium, X/Open, Taiwan Open (golf), Open list, Open House, Open-Sankoré, Irish Open (golf), Open-wheel car, Open University, Open Bogotá, KSB Open, Open sandwich, Chicago Open, Open education, Kenya Open, Open the Door, Hybrid open-access journal, Open-ended, Open–closed principle, Open gaming, Open-work charm, Open university (concept), Open Cycle, OpenDocument, Philippines Open (badminton), Phoenix Open, Open Graphics Project, The Open Source Definition, Open-source robotics, Open-core model, Garden Open, Open-source artificial intelligence, Open Up, Open house (school), Open Barranquilla, Open Firmware, Irish Poker Open, Wuhan Open, Open-access monograph, Mizuno Open, Indonesia Open (golf), Open letter, Open-Xchange, Open E, Western Open, Open Season, Victorian Open, Open chord, Thailand Open (golf), 2007 U.S. Open (golf), Open access in France, Open-access mandate, Open Access Week, Open Knowledge Foundation, Open business, Brussels Open, North Dakota Open, Open-source license, Almost open map, Open (sport), U.S. Open Pool Championship, Nursing Open, Open Door, Open architecture, Open-mid vowel, Thailand Open, Women's British Open, Open de Portugal, Open coopetition, Open classroom, The Open Ecology Journal, Open problem, Open-source ventilator, Business models for open-source software, Open constituencies, Korea Open (golf), BMJ Open, Biology Open, OpenBSD, Claro Open Floridablanca, Gates Open Research, 2005 U.S. Open (golf), Yomiuri Open, Danish Open (golf), Open educational practices, Open de Limoges, Maharashtra Open, Wide Open, Open book, Polish Open (golf), Western Australian Open, Open government, OpenCL, Open water swimming, Dutch Open (golf), Olympia Open, Open Doors, Free and open-source software, Open 13, List of open-source video games, US Open Series, Alberta Open, Open Quaternary, U.S. Open (golf), Valero Texas Open, 1984 U.S. Open (golf), Open market operation, 1968 US Open – Women's singles, Open-container law, Open system, Haninge Ladies Open, 2023 Open Championship, Open air, Open Theology, The Open Group, 2007 US Open (tennis), 1979 U.S. Open (golf)