PDF-XChange Editor - The smallest, fastest, most feature-rich PDF editor/viewer available
Office Lens - Download this app from Microsoft Store for Windows 10, Windows 10 Mobile, Windows Phone 8. 1, Windows Phone 8, Windows 10 Team (Surface Hub), HoloLens. See screenshots, read the latest customer reviews, and compare ratings for Office Lens.
ScanTailor - Scan Tailor is an interactive post-processing tool for scanned pages.
Scanner Pro - Scanner Pro turns your iPhone into portable scanner in your pocket.
Briss - Cross-platform application for cropping PDF files in a simple and fast way via a GUI.
Genius Scan - On The Go.