Those who give up essential liberties for temporary safety deserve neither liberty nor safety.
 
Benjamin Franklin
 
Each man must for himself alone decide what is right and what is wrong, which course is patriotic and which isn't.
 
Mark Twain

Office Applications

AbiWord

AbiWord is a free word processing program similar to MS Word.
http://www.abisource.com/
http://www.abisource.com/download/

OpenOffice.org Office Suite

Wordprocessor, SpreadSheet, Database, Presentation, Illustration
http://www.openoffice.org/
http://download.openoffice.org/index.html

Portable OpenOffice.org is a fully functional package of OpenOffice.org optimized for use on a USB key drive.
http://www.portableapps.com/apps/office/openoffice_portable/

LibreOffice

LibreOffice is a free and powerful office suite, and a successor to OpenOffice.org (commonly known as OpenOffice).
https://www.libreoffice.org/
https://www.libreoffice.org/download/download/

Portable LibreOffice is a fully functional package of LibreOffice optimized for use on a USB key drive.
https://portableapps.com/apps/office/libreoffice_portable