Here are the list of MS Word Alternatives you can use – Microsoft Word Alternatives
OpenOffice – An open source office productivity suite, including word processing, spreadsheets, and slide shows. Very similiar to Microsoft Office – http://www.openoffice.org/
TinyWord – Free and open source word processing program similar to Microsoft Word. TinyWord is a powerful document editor. Open, create, edit, and save word documents! – http://tinyword.net/
AbiWord – Free word processing program similar to Microsoft® Word. It is suitable for a wide variety of word processing tasks.- http://www.abisource.com/
Google Docs – Create and share your work online and access your documents from anywhere. Manage documents, spreadsheets, presentations, surveys, and more – docs.google.com/
IBM Lotus Symphony – Office productivity software from IBM that is easy to use and provided at no charge. http://symphony.lotus.com/
Jarte – A free word processor based on the Microsoft WordPad word processing engine built into Windows – http://www.jarte.com/