Dropbox - Online Sync and File Sharing
CrashPlan - CrashPlan for Small Business backup software offers the best way to back up and store business & enterprise data securely - offsite, onsite & online in the Cloud.
Syncthing - Syncthing replaces proprietary sync and cloud services with something open, trustworthy and...
ManageWP - ManageWP is a service for bloggers, site owners and web based companies helping them manage multiple WordPress sites from one dashboard.
Google Drive - Access and sync your files anywhere
Backblaze - Backblaze's remote backup automatically backs up your data to our secure datacenter.