Check out LibreOffice (http://www.libreoffice.org ). This was forked from OpenOffice and is now the default in many Linux distros.
Best alternative is "LibreOffice".
LibreOffice has four applications, Writer, Calc, Impress, and Draw.
Or try Freeoffice.
try OpenOffice from http://www.openoffice.org
Liber Office is installed on my new laptop, but I prefer MS Word. There are a few features I like about Libre Office, but there are more I like about MS Word