Yes, both CosmoLex and Microsoft OneDrive for Business offer a Free Trial.
CosmoLex is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Microsoft OneDrive for Business is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for CosmoLex Starts at $99/user/month when yearly whereas for Microsoft OneDrive for Business Starts at $1.99.
Some top alternatives to CosmoLex includes and undefined.
Some top alternatives to Microsoft OneDrive for Business includes CollaborateCloud, Microsoft SharePoint, Onehub, ShareFile, Dropbox Business, FileCloud, Box, Citrix Content Collaboration, imDocShare and Microsoft 365.