Open Office - Free Office Suite
A great Microsoft Office replacement
OpenOffice is a free fully fledged office application suite, complete with a word processor, spreadsheet, database and presentation graphics program.
OpenOffice is a suite of office software, including a fully featured word processor, spreadsheet, database and presentation graphics program that are all compatible with Microsoft Office, along with an HTML editor, a maths and a drawing package. You can also export as the free open office document format, which is compatible with other office suites such as Lotus Symphony Suite.
And best of all, it’s free. You can download it at the Open Office Website
Openoffice is a complete office suite for everyday use, it’s completely free and will give you all the tool you need to do almost anything you need, it’s divided into various programs:
Calc: a spreadsheet like Microsoft Excel… with the possibility to write spreadsheet as a PDF.
Writer: the Word processor similar to Microsoft Word and even has almost all the functions word has.
Impress: It’s the counterpart of Microsoft Powerpoint.
Base: the brother of Access, a database.
Math: mathematical tool used to create formulae, You can use this program to embed them in other documents like the one created with Writer (the word processor of the suite) or you can export everything to PDF for better compatibility.
Draw: a vectorial program