Yes, both GoodSync and Backblaze offer a Free Trial.
GoodSync is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Backblaze is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Pricing for GoodSync Starts at $39.95/Year whereas for Backblaze Starts at $7/Month.
Some top alternatives to GoodSync includes Ada, Sync.com, Resilio Connect, Acronis True Image, Handy Backup, MyPCBackup, Syncrify, ZipCloud, Resilio Sync Business and Allway Sync.
Some top alternatives to Backblaze includes Carbonite, BackupVault Cloud Backup, CloudAlly Office 365 backup, IDrive Online, Livedrive, Jungle Disk Encrypted Cloud Backup, Data Deposit Box, CloudAlly G Suite Backup, IBackup and AWS Backup.