OpenOffice.org
OpenOffice.org is a full-featured productivity suite including a word processor, spreadsheet, presentation program and web page editor. Noticeable features in this version are native PDF and Flash export at the click of a button. Moreover, its tightly-integrated modules help simplify workflow. Documents are stored in a compressed, open-standard XML format to ensure future availability of your data and to reduce file size. You can read and write documents in a wide range of formats including Microsoft Office.
Remark : for this portable version, some functionalities can’t be used if the host computer doesn’t provide the necessary JAVA components.
