Why not make Symbian PDA's and Mobile phones able to sync with Zimbra.
The protocol is open and free ?
I personally participated in websync with Nokia and ericsson phones a year ago, it is not so difficult and quite nice to have.
Since it is not license restricted why not make it available to the opensource edition ???
Sync4J is under GPL as well and has almost created every possible of synchronization between servers and PDA and mobilephones. Why not use Sync4J as a kickstarter ???
Best regards, Daniel Mersebak