Open Archives Initiative Object Reuse and Exchange

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

Chicago Open, Taiwan Open (golf), Hybrid open-access journal, Open education, Kenya Open, Open the Door, Open gaming, Open-source software development, Irish Open (golf), Open-Sankoré, Open sandwich, Open-ended, Garden Open, The Open Source Definition, Open Graphics Project, Open-source robotics, Open-work charm, Irish Poker Open, Open house (school), Mizuno Open, Open Firmware, Phoenix Open, Open-core model, OpenDocument, Wuhan Open, Open–closed principle, Open-Xchange, Open letter, Open Season, Thailand Open (golf), Open Bogotá, Open-access monograph, Open problem, Open chord, Open access in France, Open business, Open Knowledge Foundation, Open Access Week, 2007 U.S. Open (golf), Open-access mandate, Open E, North Dakota Open, U.S. Open Pool Championship, Indonesia Open (golf), Brussels Open, Open-source license, Almost open map, Open architecture, Open Door, Open classroom

Open, Open source, Open data, Open textbook, Open-source film, Open standard, Open-design movement, Open collector, Open-source car, The Open Championship, Doors Open Days, Open Season (film series), Open-pit mining, Open-source governance, Open House London, Open-source software, Open set, Open access, Canada Open, Open world, Open-source software movement, Open-source hardware, Open-source religion, Open plan, The Open Definition, Australian Open, Open university (concept), Open science, Open marriage, Open-access repository, Open.Michigan, Open and closed maps, Open University, Open access in Belgium, Open-notebook science, X/Open, Senior Open Championship, Open House, Open list, Open-wheel car, KSB Open, Chicago Open, Taiwan Open (golf), Hybrid open-access journal, Open education, Kenya Open, Open the Door, Open gaming, Open-source software development, Irish Open (golf), Open-Sankoré, Open sandwich, Open-ended, Garden Open, The Open Source Definition, Open Graphics Project, Open-source robotics, Open-work charm, Irish Poker Open, Open house (school), Mizuno Open, Open Firmware, Phoenix Open, Open-core model, OpenDocument, Wuhan Open, Open–closed principle, Open-Xchange, Open letter, Open Season, Thailand Open (golf), Open Bogotá, Open-access monograph, Open problem, Open chord, Open access in France, Open business, Open Knowledge Foundation, Open Access Week, 2007 U.S. Open (golf), Open-access mandate, Open E, North Dakota Open, U.S. Open Pool Championship, Indonesia Open (golf), Brussels Open, Open-source license, Almost open map, Open architecture, Open Door, Open classroom, British Open Squash Championships, Swedish Open, Poznań Open, Victorian Open, Open Cycle, Western Open, Cincinnati Open, Thailand Open, Open de Portugal, Nursing Open, Women's British Open, The Open Ecology Journal, Open Up, Open government, Heritage Open Days, Danish Open (golf), Open-source ventilator, Open-mid vowel, Open 13, BMJ Open, Biology Open, Wide Open, Yomiuri Open, Open constituencies, Open book, Open educational practices, Maharashtra Open, 2005 U.S. Open (golf), Free and open-source software, OpenBSD, Open de Limoges, Business models for open-source software, Open air, US Open Series, Open system, Claro Open Floridablanca, Open Doors, Open Medicine, Open-air museum, List of open-source video games, U.S. Open (golf), Gates Open Research, Open space reserve, 2023 Open Championship, Valero Texas Open, Open Theology, Korea Open (golf), Open market operation, 2017 Shenzhen Open – Singles, Hylo Open, 1968 US Open – Women's singles, Open (sport), Open space, 1984 U.S. Open (golf), Open Fire, 2007 US Open (tennis), Open heart, List of US Open singles finalists during the Open Era, Open access in Ukraine, Open end