Office Tools

Open Office (os)
http://www.openoffice.org/

PDFcreator (os)
http://www.pdfforge.org/products/pdfcreator

FreePDF XP (free)
http://www.shbox.de/freepdf.htm

Adobe Reader
http://www.adobe.com/products/acrobat/readstep2.html

Foxit Reader [Alternative to Adobe]
http://www.foxitsoftware.com/