Yes, both SendSafely and DropSend offer a Free Trial.
SendSafely is designed for Individuals, Large Enterprises, Medium Business and Small Business.
DropSend is designed for Large Enterprises, Medium Business and Small Business.
Pricing for SendSafely Starts at $10/Month whereas for DropSend Starts at $5/Month.
Some top alternatives to SendSafely includes Securely Send, ZixEncrypt, Encyro, Proofpoint Email Encryption, SenditCertified, DropSend, DataMotion Secure Email, Encrypted Work, Sealit and SendSecure.io.
Some top alternatives to DropSend includes WeTransfer, Securely Send, Dropbox Business, FileCloud, Dropbox Professional, Quatrix, MyDocsOnline, FileWhopper, SendBig and SendSecure.io.