PDF24 Creator, PDF-XChange Editor, Master PDF Editor, Wondershare PDFelement, PDFsam, FileCenter, PDF-Shuffler, PdfMod, PDFill, PDF Arranger, PDFTK Builder, Debenu PDF Tools, PDF Shaper, PDF Stapler, PDF4QT, Best PDF Tools, pdfslicer, PDF Merge (Beta) are some alternatives to PDF Mix Tool.