RoxyApps PDF Merge Tool - Merge multiple files of different formats in a single PDF file
PDF Joiner - This online tool allows you to join several PDF documents into a single file, free of charge.
PDFMate Free PDF Merger - PDFMate Free PDF Merger works as a PDF Joiner, PDF combiner, PDF breaker, image to PDF converter and PDF encryptor. With PDF Merger, you can batch merging pdf files, combining specified pages or converting scanned image file to create new PDF file.
DocuPUB - DocuPUB is an online file converter, file merger, file compressor, and file resizing tool.
Ultra PDF Merger - Ultra PDF Merger is a freeware PDF utility that joins your PDF files, or part of them, together.
PDFChef Merge PDF - PDFChef Merge PDF is an online tool that allows you to merge multiple PDf files into one quickly and securely.