SpiderOak

Works with:  (Windows/Mac/Linux)

Apps for: (iOS and Android)

Pricing: 2GB free, 100GB is $10/month or $100/year ($8.33/month), $10/month for each additional 100GB

Our rating (5 out of 5):   (based on free storage, pricing, ease of use, ability to sync, speed, unlimited computers, security features…)

SpiderOak offers a different approach to online backup by combining a suite of services into one consolidated tool – free online backup, synchronization, sharing, remote access, and storage. They also have a zero-knowledge privacy policy – the first one ever employed in this setting.

PROS:

Free 2GB for backup.
Backup, Sync, Share, Access and Storage
Multi Platform Support – Mac, Windows, Linux Compatible
100% Zero-knowledge Privacy
Add any number of computers at NO additional cost
Storage & time saving De-Duplication
Perpetual Deleted File & Historical Version Storage
10-15 Times Faster than traditional backup solutions
Wholly Fault-Tolerant Design
Offers iPhone, iPad and Android mobile apps

CONS:
???