2000

Mac OS X v10.0

Cheetah

2001

Mac OS X v10.1

Puma

2002

Mac OS X v10.2

Jaguar

2003

Mac OS X v10.3

Panther

2005

Mac OS X v10.4

Tiger

2007

Mac OS X v10.5

Leopard

2009

Mac OS X v10.6

Snow Leopard

2011

Mac OS X v10.7

Lion

2012

Mac OS X v10.8

Mountain Lion