Feel free to explore the customer list for Mass File Download app at this link @ https://drive.google.com/file/d/1f8h7UMLuijRXIpfd0NgvFqUJx39_D18l/view
PS: View Mass File Download, Salesforce file download app on Salesforce AppExchange: https://appexchange.salesforce.com/appxListingDetail?listingId=a0N3A00000EcsAOUAZ