File sync / backup solution collect (Dropbox alternative)

Function comparison example:

<![if !supportLists]>1.    <![endif]>Backup service: http://en.wikipedia.org/wiki/Comparison_of_online_backup_services

<![if !supportLists]>2.    <![endif]>Synchronization software: http://en.wikipedia.org/wiki/Comparison_of_file_synchronization_software

<![if !supportLists]>3.    <![endif]>http://www.syncplicity.com/products/pricing

Dropbox alternative solutions from some blogs:

<![if !supportLists]>1.    <![endif]>http://www.webresourcesdepot.com/open-source-dropbox-alternatives-to-start-building-a-file-storage-sharing-system/

<![if !supportLists]>2.    <![endif]>http://www.geeknaut.com/7-best-dropbox-alternatives-to-choose-from-01198577.html

<![if !supportLists]>3.    <![endif]>http://techpp.com/2010/07/05/dropbox-alternatives-sync-files-online/

<![if !supportLists]>4.    <![endif]>http://techpp.com/2010/07/05/dropbox-alternatives-sync-files-online/

<![if !supportLists]>5.    <![endif]>http://techpp.com/2010/07/05/dropbox-alternatives-sync-files-online/

Links to some solutions (Seems Good):

<![if !supportLists]>1.    <![endif]>wuala (http://wuala.com/en/download/windows)

<![if !supportLists]>2.    <![endif]>SPIDEROAK (https://spideroak.com/opendownload/)

<![if !supportLists]>3.    <![endif]>Seafile (http://seafile.com/en/home/)

<![if !supportLists]>4.    <![endif]>Syncany (http://www.syncany.org/)

(TBD)

<![if !supportLists]>1.    <![endif]>FTPbox (http://ftpbox.org/)

<![if !supportLists]>2.    <![endif]>ownCloud (http://owncloud.org/)

<![if !supportLists]>3.    <![endif]>sparkleshare (http://sparkleshare.org/)