Tesseract - Tesseract is an optical character recognition engine for various operating systems
Docus - Docus is a simple yet powerful Document Scanner for Android that enables you to scan various types of documents with great ease.
ABBYY FineReader - ABBYY's latest PDF editor software, FineReader 16 you can easily convert files like PDF to Excel, PDF to Word, edit, share, collaborate & more with this PDF editor!
Scanner Pro - Scanner Pro turns your iPhone into portable scanner in your pocket.
Google Lens - Discover information about something by taking a photo
TurboScanner HD - TurboScanner HD is an app for iOS that enables you to convert the iPad or iPhone into a useful scanner and also serves as small fax or air printer in your pocket.