Use ShapeShifter to provide Mac emulation. By far the best option. The one I use myself. The writer of ShapeShifter (Christian Bauer), reportedly has a Newton himself.
You will need ShapeShifter 3.3 or better. As of writing, the current version is 3.10, however the latest version which uses the serial port properly is 3.7. To run ShapeShifter, you will need...
Other users have found that the serial port of a GVP serial card does not work with ShapeShifter.
I have tested Lunatech's Package Installer, Apple's own Newton Connection Kit (now obsolete), the Newton Backup Utility, Newton Connection Utility and a demonstration version of Newton ToolKit 1.0.1.
There are more expensive commercial Macintosh emulations for the Amiga. These are AMax, Emplant and Fusion.
A demonstration version is on the Aminet.
Last modified 1st February 2000.