Box - Box offers secure content management and collaboration for individuals, teams and businesses, enabling secure file sharing and access to your files online.
Pocket Scanner - Pocket Scanner is the best app for quickly scanning documents to JPEGs or multi-page PDFs.
Dropbox - Online Sync and File Sharing
PaperSave - PaperSave is a complete document management, electronic workflow and transaction (invoice and gift) automation solution, for Microsoft Dynamics and Blackbaud.
Microsoft OneDrive for Business - First of all, we think it appropriate to make it clear for the readers, Microsoft OneDrive for Business is different from what is Microsoft OneDrive that is only a cloud storage and limited sharing service.
ImageToScan.com - Convert images into scanned PDF documents