Yes, both N2WS Backup and BackupSheep offer a Free Trial.
N2WS Backup is designed for Large Enterprises, Medium Business and Small Business.
BackupSheep is designed for Freelancers, Medium Business and Small Business.
Pricing for N2WS Backup Starts at $5per instance per month whereas for BackupSheep Starts at $25/Month.
Some top alternatives to N2WS Backup includes NetApp, EMC NetWorker, Clumio, CloudAlly Office 365 backup, NovaBACKUP Cloud, CloudAlly G Suite Backup, N‑able Backup, BDRSuite and AWS Backup.
Some top alternatives to BackupSheep includes Carbonite, Backblaze, SimpleBackups, BackupVault Cloud Backup, NovaBACKUP Cloud, Handy Backup, IBackup, BDRSuite, Bakup.io and AWS Backup.