NewtSync allows you to start synchronizing your Newton and your Jaguar applications. It supports both serial and TCP/IP connections. Developers can write plug-ins to synchronize with other applications. Out of the box, it will support synchronization to the AddressBook and iCal applications. It's a Cocoa application, so when you develop plug-ins (known in Cocoa circles as bundles) you can access your Newton as a Cocoa object. You
ANONYMOUS This program is great. While there are a few issues, none prevent it from syncing all the addresses and dates on the newton. There are even plug-ins to add extra value available! 8 out of 10! (Version 0.3m)
MDAIR This program has ALOT of potential, but I continue to have issues syncing dates with iCal. Any program that keeps my Newton current is GREAT in my book.... Look foward to a final release.. (Version 0.3k)