Download of PDFCombine 1.0 for Mac was on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. This free software for Mac OS X is an intellectual property of Michael Bianco.
PDFCombine for Mac lies within System Tools, more precisely File Managers. According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software.
From the developer:
PDFCombine is a command line utility that allows you to combine multiple PDF files into one singular PDF file.
You may want to check out more Mac applications, such as PDF Combiner, which might be related to PDFCombine.