Yes, both Google Drive and Plumsail Documents offer a Free Trial.
Google Drive is designed for Large Enterprises, Medium Business and Small Business.
Plumsail Documents is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Pricing for Google Drive Starts at $8/User/Month whereas for Plumsail Documents Starts at $29/Month.
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 Plumsail Documents includes PandaDoc, Docupilot, M-Files, SimplyDocs, Documint, Docmosis, Documate, DocsCloud, Docamatic, Docsmore and Docompile.