PDFTK Builder - PDFTK Builder is a free graphical interface to for PDFTK, making it much easier to use.
ABBYY FineScanner AI - Intelligent assistant for scanning and text extraction 📲
PDF Arranger - Small python-gtk application, which helps the user to merge or split pdf documents and rotate, crop...
Pocket Scanner - Pocket Scanner is the best app for quickly scanning documents to JPEGs or multi-page PDFs.
Debenu PDF Tools - Simple to use solution to merge PDF files, edit document properties, add and edit custom metadata, convert images to PDF, convert PDF to text and much more.
ImageToScan.com - Convert images into scanned PDF documents