Yes, both Box and Memsource offer a Free Trial.
Box is designed for Large Enterprises, Medium Business and Small Business.
Memsource is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Box Starts at $5/User/Month when Billed Yearly whereas for Memsource Starts at $29/User/Month.
Some top alternatives to Box includes CollaborateCloud, Microsoft SharePoint, Dropbox Business, FileCloud, ownCloud, Microsoft OneDrive for Business, Dropbox Professional, Citrix Content Collaboration, Genialcloud Facsys and Box Skills.
Some top alternatives to Memsource includes Text United, XTM Cloud, Lingotek, EasyTranslate, Wordscope, memoQ server, memoQ translator pro, SDL Trados Studio and Translized.