Apple Corp. SO (WVM) By wildenise 1978 Apple DOS 3.1 1984 Apple System 1 1985 Apple System 2 1986 Apple System 3 1987 Apple System 4 1988 Apple System 6 1991 Apple System 7 1997 Apple macOS 8 1999 Apple macOS 9 1999 Apple macOS X Server 1.0 2001 Apple macOS X 10.0 (Cheetah) 2001 Apple macOS X 10.1 (Puma) 2002 Apple macOS X 10.2 (Jaguar) 2003 Apple macOS X 10.3 (Panther) 2004 Apple macOS X 10.4 (Tiger) 2007 Apple macOS X 10.5 (Leopard) 2008 Apple MobileME 2009 Apple macOS X 10.6 (Snow Leopard) 2010 Apple macOS X 10.7 (Lion) 2012 Apple macOS X 10.8 (Mountain Lion) 2013 Apple macOS X 10.9 (Mavericks) 2014 Apple macOS X 10.10 (Yosemite) 2015 Apple macOS X 10.11 (El Capitan) 2016 Apple macOS X 10.12 (Sierra) 2017 Apple macOS X 10.13 (High Sierra) 2018 Apple macOS X 10.14 (Mojave) 2019 Apple macOS X 10.15 (Catalina)