ScanTailor - Scan Tailor is an interactive post-processing tool for scanned pages.
PaperScan - PaperScan Scanner Software is a powerful TWAIN & WIA scanning application centered on one idea: making document acquisition an unparalleled easy task for anyone.
Briss - Cross-platform application for cropping PDF files in a simple and fast way via a GUI.
Pocket Scanner - Pocket Scanner is the best app for quickly scanning documents to JPEGs or multi-page PDFs.
ScanKromsator - Scan Software with several advanced options
ccScan - ccScan provides solutions to scan or import documents directly to the cloud storage providers.