Yes, both Google Drive and HelloSign offer a Free Trial.
Google Drive is designed for Large Enterprises, Medium Business and Small Business.
HelloSign is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Google Drive Starts at $8/User/Month whereas for HelloSign Starts at $15/Month when Billed Yearly.
Some top alternatives to Google Drive includes CollaborateCloud, Odrive, CloudFiles, Dropbox Business, Zoho WorkDrive, FileCloud, Microsoft OneDrive for Business, Dropbox Professional, DocUp and OpenDrive.
Some top alternatives to HelloSign includes PandaDoc, SignRequest, Signable, SignEasy, Adobe Sign, DocuSign, signNow, Document eSign, E-Sign and eSign by SquidSoft.