Yes, both SignBox and Signaturit offer a Free Trial.
SignBox is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Signaturit is designed for Large Enterprises and Medium Business.
Pricing for SignBox Starts at $4.91/Month when Billed Yearly whereas for Signaturit Starts at $17.11/User/Month.
Some top alternatives to SignBox includes PandaDoc, Signaturit, DocuSign, RightSignature, Document eSign, E-Sign, OneSpan eSignature, eSigns, eSign by SquidSoft and Lightico eSignature.
Some top alternatives to Signaturit includes PandaDoc, DottedSign, DocuSign, signNow, Techsign Doc, Docu Signer, Document eSign, E-Sign, SignBox and eSign by SquidSoft.