Is the Open source the main alternative?

Users now want to access their address books, calendars, emails, or their images whether on their mobile and PC. Its seems that the Open source is now the only alternative to keep pace with the rapid development of services and mobile terminals...
This is not advertisement! :-)

With its mobile open source community, Funambol could be the only solution to the synchronization of the scope of several billion mobile phones around the world, including smartphones such as iPhone, Blackberry Storm, Google Android G1.
Funambol annouces V8 MobileWe Funambol, the new generation of its flagship software allowing a synchronization of billions of mobile phones. Among other features, V8 Funambol offers a new AJAX web portal that facilitates the synchronization of personal information, email and multimedia contents between mobile phones, online services and computers, Funambole software also supports widely used desktop applications such as Outlook, but also host email services like Gmail, AOL Mail, Yahoo! mail and hotmail.

Screenshot there: http://www.funambol.com/v8/Funambolv8_homepage.html