While using 3.x on my iPhone free (as in self-hosted and “free as in free speech”) syncing was a bit of tinkering here and there but worked. With iOS 4 Apple introduced a new scheme for the Calendar (which used to be a nicely and sanely formatted sqlite file), so all the sync-tools aren’t really working anymore. Iphonesync (required J/B Phones and synced to e.g. Funambol) can still read notes(?) and addresses but can’t sync the calendar anymore. So i was looking for another option to sync this thingy – and found one (or two) …