List of Mac Operating Systems

Mac OS X Public Beta
Mac OS X 10.0 Cheetah
Mac OS X 10.1 Puma
Mac OS X 10.2 Jaguar
Mac OS X 10.3 Panther
Mac OS X 10.4 Tiger
Mac OS X 10.5 Leopard
Mac OS X 10.6 Snow Leopard
Mac OS X 10.7 Lion
OS X 10.8 Mountain Lion
OS X 10.9 Mavericks
OS X 10.10 Yosemite
OS X 10.11 El Capitan
macOS 10.12 Sierra
macOS 10.13 High Sierra
macOS 10.14 Mojave
macOS 10.15 Catalina
macOS 11.0 Big Sur
macOS 12: Monterey (Star)
macOS 13: Ventura (Rome)
macOS 14: Sonoma (Sunburst) – Beta, full release expected in October 2023