SnapShooter is described as 'Better DigitalOcean Snapshots, with hourly to daily snapshots of droplets and volumes' and is an website in the Backup & Sync category. There are five alternatives to SnapShooter, not only websites but also apps for SaaS, DigitalOcean, Mac and Windows. The best alternative is OnlineBackupVault. It's not free, so if you're looking for a free alternative, you could try BackupSheep. Other great sites and apps similar to SnapShooter are Weap.io (Paid), DigitalDam (Paid) and MyPCBackup (Paid).
Schedule automatic DigitalOcean snapshots, with flexible retention rules, while also scheduling MySQL backups through the same interface and optionally storing file and MySQL backups off-site on any server that supports SFTP protocol.
Backup your computer files securely online. No more loss of data from hard drive crashes, accidental deletion or fire/theft. No more carrying around USB hard drives. Access your files anywhere, anytime with MyPC Backup.