Simple Scan - Project information. Part of: The Gnome Project. Maintainer: Simple Scan Development Team. Driver: Simple Scan Development Team. Licence: GNU GPL v3.
PDF Joiner - This online tool allows you to join several PDF documents into a single file, free of charge.
XSane - A good proposal for SANE-2 has been written.
PDFChef Merge PDF - PDFChef Merge PDF is an online tool that allows you to merge multiple PDf files into one quickly and securely.
NAPS2 - NAPS2 is a document scanning application with a focus on simplicity and ease of use.
PDFill - Open, View, Edit, Save and Print PDF Documents without Adobe Acrobat