Yes, both Content Central and ONLYOFFICE offer a Free Trial.
Content Central is designed for Large Enterprises, Medium Business and Small Business.
ONLYOFFICE is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Content Central Starts at $35/User/Month whereas for ONLYOFFICE Starts at $1,200per One Server.
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 ONLYOFFICE includes PandaDoc, Nimbus Note, Zoho Docs, CDOC, LibreOffice, OfficeFiles, Ability Office, OfficeSuite, Collabora Online and WPS Office.