Open unit disk

Open, Open source, Open data, Open textbook, Open-source film, Open standard, Open collector, Open-design movement, Open Season (film series), Open-source car, Doors Open Days, The Open Championship, Open-source software, Open world, Open-pit mining, Open-source governance, Open House London, Open access, Open set, Open-source hardware, Open-source software movement, Canada Open, Open-source religion, Open science, Open plan, The Open Definition, Open university (concept), Open marriage, Australian Open, Open-access repository, Open Bogotá, Open and closed maps, Open.Michigan, X/Open, Open access in Belgium, Senior Open Championship, Open-notebook science, Open list, Open House, Taiwan Open (golf), Open-Sankoré

Open University, Irish Open (golf), Open-wheel car, Open sandwich, KSB Open, Open-source software development, Open the Door, Chicago Open, Hybrid open-access journal, Open education, Kenya Open, Open-ended, Open gaming, Open Graphics Project, Open–closed principle, The Open Source Definition, Open-source robotics, Open-work charm, Philippines Open (badminton), OpenDocument, Phoenix Open, Open house (school), Open-core model, Wuhan Open, Garden Open, Irish Poker Open, Open-access monograph, Open-source artificial intelligence, Indonesia Open (golf), Open Firmware, Mizuno Open, Open-Xchange, Open letter, Open Season, Victorian Open, Open chord, Open Access Week, Open access in France, Open Knowledge Foundation, 2007 U.S. Open (golf), Open E, Open-access mandate, Western Open, Open-source license, Open business, Thailand Open (golf), Open Cycle, North Dakota Open, Almost open map, Open (sport)

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