Yes, both Hightail and MyDocsOnline offer a Free Trial.
Hightail is designed for Large Enterprises, Medium Business and Small Business.
MyDocsOnline is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Hightail Starts at $12/Month whereas for MyDocsOnline Starts at $9.95/Month.
Some top alternatives to Hightail includes ShareFile, Dropbox Business, Microsoft OneDrive for Business, Dropbox Professional, GoProof, Ziflow, Workgroups DaVinci Proof, WebProof, Dropbox Paper and Proofing.
Some top alternatives to MyDocsOnline includes DocSend, CloudFiles, FileCloud, ownCloud, Quatrix, Cloudup, DocUp, AcceleWeb Files, Microsoft Power BI and Amazon WorkDocs.