Docus - Docus is a simple yet powerful Document Scanner for Android that enables you to scan various types of documents with great ease.
GImageReader - gImageReader is a simple Gtk/Qt front-end to the Tesseract OCR Engine.
Scanner Pro - Scanner Pro turns your iPhone into portable scanner in your pocket.
Adobe Scan - Scan anything into a PDF using your mobile device.
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.
Adobe Acrobat DC - Make your job easier with Adobe Acrobat DC, the trusted PDF creator. Use Acrobat to convert, edit and sign PDF files at your desk or on the go.