Yes, both MediaFly and DocSend offer a Free Trial.
MediaFly is designed for Large Enterprises, Medium Business and Small Business.
DocSend is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for MediaFly Starts at $30/User/Month whereas for DocSend Starts at $10/User/Month when Billed Yearly.
Some top alternatives to MediaFly includes Seismic, Enablix, iPresent, Showell, Showpad Content, Content Camel, Master-O, Salesframe, ContentFly and LivePreso.
Some top alternatives to DocSend includes Microsoft SharePoint, Enablix, Showell, PandaDoc, Dropbox Business, Dropbox Professional, DocuSign, signNow, Document eSign and MyDocSafe.