Yes, both Box and Crowdin offer a Free Trial.
Box is designed for Large Enterprises, Medium Business and Small Business.
Crowdin is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Box Starts at $5/User/Month when Billed Yearly whereas for Crowdin Starts at $40/Month when Billed Yearly.
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 Crowdin includes XTM Cloud, Lingotek, Lokalise, LingoHub, Localize, Localizely, SimpleLocalize.io, eclypse and Translized.