1)   PDF-XChange Pro 3.50991
All you will ever need to create and manipulate Adobe PDF files from virtually any Windows software. Now allows users to embed 3D images in a PDF via MS Office using Spinfire from www.Actify.com.

 2)   PDF-XChange SDK For Developers 2.5
PDF-XChange and the PDF-Tools utility make arguably the smallest PDF files available form any PDF tool available - including Aobe's own products! Simple to use and offereing comprehensive features including encyrption - at an unbeatable price!!!