AbiWord (word processor)
Abisource - open source for the desktop.
http://www.abisource.com/
Gnome Office
Gnome Office
http://www.gnome.org/gnome-office
Gnumeric (spreadsheet)
Gnumeric (spreadsheet)
http://www.gnome.org/projects/gnumeric
The Gimp
The Gimp
http://www.gimp.org/