SpiderOak is free online backup, sync, sharing and storage solution for Windows, Mac OS X, and Linux (Ubuntu, Debian, Fedora & openSUSE) and it is the best alternative to dropbox.Use SpiderOaky to backup, synchronize, and share data across all of your computers, external drives and network volumes.
Free Plan: 2GB space
Refer a friend and you get an additional 1GB more free space (up to 50GB max for the free )
Main Features:
100% Zero-knowledge Privacy
2-factor authentication
Backup, Sync, Share, Access & Storage
Windows, Mac OS X, and Linux (Ubuntu, Debian, Fedora & openSUSE)
Add any number of computers at NO additional cost
Storage & time saving De-Duplication
Perpetual Deleted File & Historical Version Storage
