Here are some screenshots of ZendTo in action. Click on each image for a full-size picture.

The home page, as seen by users on your site.
The home page after one of your users has logged in, but in Russian.
An external user proving who they are.
Dropping off some files for other people.
Adding files to the drop-off using drag-and-drop.
Encrypting a drop-off.
The summary of a drop-off.
Inviting a customer to send you some files.
What you can tell the customer over the phone so they do not need to wait for the e-mail to arrive with the link in it.
The "Library of Files" feature in use when creating a new drop-off.
The "Administrators" main menu.