Yes, both Box and Zoho Sign offer a Free Trial.
Box is designed for Large Enterprises, Medium Business and Small Business.
Zoho Sign is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Box Starts at $5/User/Month when Billed Yearly whereas for Zoho Sign Starts at $10/User/Month when Billed Yearly.
Some top alternatives to Box includes CollaborateCloud, Microsoft SharePoint, Dropbox Business, FileCloud, ownCloud, Microsoft OneDrive for Business, Dropbox Professional, Citrix Content Collaboration, Genialcloud Facsys and Box Skills.
Some top alternatives to Zoho Sign includes PandaDoc, Signaturit, Adobe Sign, DocuSign, signNow, Techsign Doc, Docu Signer, Document eSign, E-Sign and eSign by SquidSoft.