Free Online Backup Space - Access Data Anywhere

Now, many people has the external hard drive as a backup device to store important data, or transfer data between home and office. It's a good solution except some money needed and the loss risk. But you could also back up your data at some online secure site so that you can access your data anywhere and anytime, even if you already select to save data to external HDD. Below is the most popular, easy and secure online data backup service. All of them also provide free backup space. You could store your data at no charge, and upgrade for comprehensive and more backup space if necessary. What I am using is iDrive for its multi-features and easy restoration.

Free Data Backup Space	Free Space	Desktop Client	Note
http://www.idrive.com	2+10GB	Free Desktop Client	Explorer Plugin
http://www.myotherdrive.com	2GB	Free Desktop Client	.
http://www.skydrive.live.com	25GB	Third-party Explorer	.
http://www.adrive.com	50GB	No for Basic Users	.
http://mozy.com	2GB	Free Desktop Client	.
http://humyo.com	10GB	14-day Free Trial	Drag-Drop Upload
https://www.opendrive.com	5GB	Free Desktop Client	.
https://www.dropbox.com/	2GB	Free Desktop Client	Local Folder
http://www.syncplicity.com	2GB	Free Desktop Client	Online Browser