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Windows 7 |
| 2010 | |
| OLPC Sugar UI | |
| 2007 | |
| Mac OS X v10.5 "Leopard" | |
| October 2007 | |
 |
Windows Vista |
| January 30, 2007 | |
 |
Novell and Microsoft announced a joint patent agreement to cover their respective products |
| November 2, 2006 | |
| Compiz | |
| Parallels Workstation | |
| Novell acquired SuSE | |
| January 2004 | |
| XP Service Pack 2 | |
| August 6, 2004 | |
| Windows Server 2003 | |
| April 24, 2003 | |
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Windows XP |
| October 25, 2001 | |
| DistroWatch | |
| May 31, 2001 | |
| Linux 2.4.0 | |
| January 4, 2001 | |
| Darwin | |
| 2000 | |
| Windows Me | |
| September 14, 2000 | |
| Windows 2000 | |
| February 2000 | |
| Gnome | |
| 1999 | |
| Wizards of OS | |
| 1999 | |
| Linux From Scratch | |
| 1999 | |
| VMware Workstation | |
| Windows 98 | |
| June 25, 1998 | |
 |
the Linux Distro Timeline |
| 1998 | |
| Virtual PC | |
| June 1997 | |
| GTK+ | |
| 1997 | |
| Java Desktop System | |
| kde | |
| 1996 | |
| Linux 2.0.0 | |
| June 9, 1996 | |
 |
Windows 95 |
| August 24, 1995 | |
| beos | |
| 1995 | |
| Debian | |
| 1993 | |
| OS/2 Warp | |
| 1994 | |
| Suse | |
| 1994 | |
| Magic Cap | |
| 1994 | |
| Copland | |
| 1994 | |
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Qt |
| 1994 | |
| OpenStep | |
| 1993 | |
| Common Desktop Environment | |
| 1993 | |
 |
Windows 3.1 was released two years after Version 3.0 |
| August 1992 | |
| Linux | |
| September 1991 | |
| Windows 3.0 | |
| May 22, 1990 | |
| geos | |
| 1990 | |
| openwindows | |
| 1989 | |
| the NEXTSTEP operating system | |
| September 18, 1989 | |
| Posix | |
| 1988 | |
| open look | |
| late 1980s | |
 |
Windows 2.0 was released, with icons & overlapping windows |
| December 9, 1987 | |
| OS/2 1.0 | |
| December 1987 | |
| IBM AIX | |
| 1986 | |
| GEOS | |
| 1986 | |
| lynxos | |
| 1986 | |
 |
Microsoft Windows 1.0 was Microsoft's first attempt to implement a multitasking graphical user interface-based operating environment on the PC platform |
| November 1985 | |
| Desq | |
| July 1985 | |
 |
Atari TOS |
| 1985 | |
 |
AmigaOS |
| 1985 | |
| TopView | |
| 1985 | |
| GEM | |
| 1985 | |
| Plan 9 from Bell Labs | |
| mid-1980s | |
| V | |
| 1980s | |
| Motif is a graphical widget toolkit for building graphical user interfaces under the X Window System on Unix | |
| 1980s | |
| the TRON Project | |
| 1984 | |
| X Window System | |
| 1984 | |
 |
Macintosh's System 1.0 |
| January 24, 1984 | |
| HP-UX | |
| 1983 | |
 |
the Apple Lisa was the second computer with a graphical user interface |
| January 1983 | |
| SunOS 1.0 | |
| 1982 | |
| IRIX | |
| 1982 | |
| qnx | |
| 1982 | |
 |
MS-DOS was released with the first IBM PC |
| August 1981 | |
| QDOS | |
| 1980 | |
| Xenix | |
| 1979 | |
| ucsd pascal p system | |
| 1978 | |
| Berkeley Software Distribution | |
| 1977 | |
| cp/m | |
| 1974 | |
 |
the Xerox Alto was the first personal computer and the first computer to use the desktop metaphor and graphical user interface (GUI) |
| 1973 | |
 |
Unix was officially named and ran on the PDP-11/20. The operating system was developed in the 1960s by a group of AT&T Bell Labs employees |
| 1970 | |
| Multics | |
| 1964 | |
| OS/360 | |
| 1964 | |
| GCOS | |
| 1962 | |
| CTSS | |
| 1961 | |
| IBSYS | |
| 1960 |