Open office.org is the leading open-source office software suite for word processing, spreadsheets, presentations, graphics, databases and more..
It works on all computers and doesn't eat up much of your system resource..

It is giving a tough competition to MS-office and proves out to be better. It is easy to use and if your using any other office application you'll straight away take to Openoffice.org 3. You can download the full version of this software free of charge for any purpose!!

Download:-
Size 142mb
For Windows operating systems..
click here to download