Open Office is similar to Microsoft Office an office suite which runs on multi-platform and it's multi-lingual.

The Open Office Suite founded by Sun Microsystem gives you everything you'd expect in office software. The components are:-

Writer - you can create dynamic documents.
Impress - for your powerful presentations.
Calc - your all purpose spreadsheet.
Base - new way to access databases.
Math - create equations and formulae for your documents.
Draw - a powerful graphics package.

Download available @ www.openoffice.org/