1)   PDF Studio 3.13
PDF Studio is a powerful tool to manipulate PDF files: add annotations, scan to pdf, add text & image stamps, split or merge pdf documents. PDF Studio works on Windows, Mac and Linux and does not require Adobe Acrobat.

 2)   Scan to PDF 1.2
Scan to PDF is a easy to use PDF scanning application it can create single and multi-page Pdf,s even with a flatbed scanner. It has superior image compression and works with any Twain Scanner.

 3)   pdfMachine White 11.05
Convert to PDF for free, the quick and easy way. Print to the pdfMachine printer, then save or email the PDF, without advertisements or watermarks in the PDF. Other advanced features embed a pdfMachine advertisement in the PDF.