Yes, both Content Central and Documentator offer a Free Trial.
Content Central is designed for Large Enterprises, Medium Business and Small Business.
Documentator is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Content Central Starts at $35/User/Month whereas for Documentator Starts at $9/Month.
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 Documentator includes PandaDoc, M-Files, Document Locator, CDOC, Avodocs, Documint, docMgt, DocControl, EZ Doc Filer, Documate and Docsmore.