Allow a product to be marked as Digital and have a badge after it's title to indicate as such.
Make it clear that your products are digital and will be downloaded, not physically delivered with a simple, customizable badge. This plugin will extend the title of your downloads with the string of your choice, like [digital] or [download]. Individually actiavte for each product in your catalog.
Also supports the Recurring Payments extension for Easy Digital Downloads. When enabled, you can also mark items as [subscription] or any other term to signify this is a recurring payment.