Microsoft OneDrive - Secure access, sharing & file storage
Veeam Backup - Backup and restore VMware and Hyper-V virtual machines with Veeam Backup Free Edition. Unlimited hosts and VMs. Free forever.
Dropbox - Online Sync and File Sharing
SolarWinds Backup - Modern server backup software
Google Drive - Access and sync your files anywhere
Zerto - Virtual replication & recovery solution