Google Sync (both Windows PC and Mac owners can sync their Pre and desktop Outlook and iCal calendars using Google Calendar as the intermediary)
CompanionLink Software (syncs Outlook contacts, calendar events, tasks, and notes with your Google account. A separate CompanionLink program syncs Palm Desktop contacts, calendar events, tasks, and memos with your Google account [Palm Desktop is the organizer software that Palm supplies with its Treo smartphones and PDAs])
Sync’Em (keep the Mac Address Book in sync with Gmail’s contacts list)
PocketMirror software (sync contacts and calendar events between your Windows PC and your Pre)
Sync’Em (keep the Mac Address Book in sync with Gmail’s contacts list)
MotionApp’s Classic application (while you can try MotionApp’s Classic program for free, if you decide to buy it, you have to pay for it through this website; the other programs listed in the book were free at the time of publication)