Xerox Alto, 1973
Xerox 8010 Star, 1981
Apple Lisa OS 1, 1983
Apple Lisa OS 1, 1983
VisiCoprt Visi On, 1984
VisiCoprt Visi On, 1984
Apple Mac System 1.0, 1984
Amiga Workbench 1.0, 1985
Amiga Workbench 1.0, 1985
Microsoft Windows 1.01, 1985
Microsoft Windows 1.01, 1985
GEM, 1985
Silicon Graphics IRIX 3.0, 1986
GEOS, 1986
Windows 2.0x, 1987
Microsoft Windows 2.0, 1987
Microsoft-IBM OS/2 1.1, 1988
Microsoft-IBM OS/2 1.1, 1988
NeXTSTEP / OPENSTEP 1.0, 1989
Windows 3.0, 1990
Windows 3.0, 1990
Amiga Workbench 2.04, 1991
Mac OS System 7.0, 1991
Mac OS System 7.0, 1991
Windows 3.1, 1992
IBM OS/2 2.0, 1992
IBM OS/2 2.0, 1992
Windows 95, 1995
Windows 95, 1995
OS/2 Warp 4, 1996
OS/2 Warp 4, 1996
Mac OS System 8, 1997
Windows 98, 1998
KDE 1.0, 1998
GNOME 1.0, 1999
GNOME 1.0, 1999
Apple Mac OS X 10.1, 2001
Windows XP Professional, 2001
KDE 3, 2002
Vista, 2007
Apple Mac OS X 10.5 Leopard
GNOME 2.24
KDE (v4.0 Jan. 2008, v4.2 Mar. 2009)
