JPEG to PDF - JPEG to PDF is a free program that can convert image files to PDFs.
PDF Joiner - This online tool allows you to join several PDF documents into a single file, free of charge.
PDFill - Open, View, Edit, Save and Print PDF Documents without Adobe Acrobat
PDFChef Merge PDF - PDFChef Merge PDF is an online tool that allows you to merge multiple PDf files into one quickly and securely.
Convert-JPG-to-PDF.net - Convert JPG to PDF for free with this online service.
jpg2pdf.com - Convert JPG to PDF with this free and easy to use online converter.