Yes, both Content Central and Zoho Docs offer a Free Trial.
Content Central is designed for Large Enterprises, Medium Business and Small Business.
Zoho Docs is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Content Central Starts at $35/User/Month whereas for Zoho Docs Starts at $4/User/Month when Billed Yearly.
Some top alternatives to Content Central includes PandaDoc, M-Files, PaperNIC, DocuWare, CDOC, Greenbox, docMgt, EZ Doc Filer, Addmin, docEdge DMS and Docsmore.
Some top alternatives to Zoho Docs includes PandaDoc, Docsvault, Content Central, CDOC, Greenbox, DocUp, Cabinet EDMS, docMgt, EZ Doc Filer, Google Docs and LibreOffice.