PDFmerge is a joint collaborative effort between InterNak, Inc and CynCorp, Inc. This program is easy to install, easy to use and is feature rich. The features included in PDFmeger is a result of extensive research and feedback from end users, PDFmerge is easier to use and more intuitive then similar products, but includes features not available in those products such as a file splitting option. We are proud to make this useful product available to you at an affordable price.