Yes, both Tresorit and Dropbox Business offer a Free Trial.
Tresorit is designed for Large Enterprises, Medium Business and Small Business.
Dropbox Business is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Tresorit Starts at $10.42/Month when Billed Yearly whereas for Dropbox Business Starts at $12.50/Month.
Some top alternatives to Tresorit includes pCloud, Sync.com, Dropbox Business, ownCloud, Box, Dropbox Professional, Quatrix, etfile, BluSync and Dropvault.
Some top alternatives to Dropbox Business includes CollaborateCloud, Google Workspace, Odrive, Sync.com, Google Drive, FileCloud, Box, Microsoft OneDrive for Business, Dropbox Professional and BluSync.