Yes, both Addmin and DocuWork offer a Free Trial.
Addmin is designed for Freelancers and Small Business.
DocuWork is designed for Medium Business and Small Business.
Pricing for Addmin Starts at $4.90/Month when Billed Yearly whereas for DocuWork Starts at $39/Month.
Some top alternatives to Addmin includes M-Files, PaperSave, Docsvault, Content Central, docEdge DMS, Docsmore and DocuWork.
Some top alternatives to DocuWork includes Docsvault, Dokmee Document Management, DocuWare, CDOC, Documint, Superdocu, Docsmore and dox2U.