Yes, both Everplans and Box offer a Free Trial.
Everplans is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
Box is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Everplans Starts at $75/Year whereas for Box Starts at $5/User/Month when Billed Yearly.
Some top alternatives to Everplans includes CollaborateCloud, ShareFile, CloudFiles, pCloud, FileCloud, Box, MyDocsOnline, DocUp, etfile and MultCloud.
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.