Here is an article post by highlights.web.id, This post review 6 free office application completed with it's download link.
1. Open Office
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.
2. Lotus Symphony