#3 SugarSync

SugarSync offers cloud-syncing with an online backup so it does not consign you to a single root folder. This app offers personal plan and an unlimited data business plan.

Just like other apps it gives an instant and easy access to your data anytime, anywhere and provides an option to download free mobile apps to sync on with Windows Mobile, iPhone, Android, BlackBerry,  iPad and Symbian devices.

It also gives a free service up to 5GB and 30GB for $4.99 a month up to an unlimited business plan for $55.00 a month.

#2 SpiderOak

It is one of the most flexible cloud sync apps which retrieve files almost instantaneously from any device, anywhere. Spider claims that it has zero-knowledge of your data ensuring that your data is 100 percent private and only readable to you.

Also Read: 10 Safest Internet Browsers For Enterprises

Also Read: Saket Modi, The 22 Yr Old Who Saves Govt Agencies From Deadly Hackers