Yes, both Hightail and GoProof offer a Free Trial.
Hightail is designed for Large Enterprises, Medium Business and Small Business.
GoProof is designed for Freelancers, Medium Business and Small Business.
The starting price of Hightail begins at $12/Month, while pricing details for GoProof are unavailable.
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 GoProof includes Google Sheets, PageProof, ProofQuick, ProofCafe, QuickReviewer, Workgroups DaVinci Proof, WebProof, Coment, CrossCap Online Proofing and Proofing.