This isn't pretty a pretty list of free PDF writing programs, but it's quick and free:

CutePDF	http://www.cutepdf.com
PrimoPDF	http://www.primopdf.com
Bullzip PDFPrinter	http://www.bullzip.com
PDFCreator	http://sourceforge.net/projects/pdfcreator
doPDF	http://www.dopdf.com

There's nothing for sale here, move along.