Yes, both Doxter and Documate offer a Free Trial.
Doxter is designed for Medium Business and Small Business.
Documate is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Doxter Starts at $5/User/Month whereas for Documate Starts at $83/Month when Billed Yearly.
Some top alternatives to Doxter includes PandaDoc, Zoho Vault, Documentator, Documint, docMgt, EZ Doc Filer, OpenKM Document Management, Documate, Docsmore and Version Story.
Some top alternatives to Documate includes Docupilot, SimplyDocs, Documentator, Avodocs, Documint, pdfFiller, DocsCloud, Docsmore, Storydoc, ActiveDocs Opus and Lawpath.