Below is a copy of the message I sent to Microware USA:
Hi,
Now, would it be possible to get a hobbyist version of OS-9 68K (like
OpenVMS) or even better publish the sources :-)
We would be happy even with a version 2.x
A lot of open-source 68K projects need an operating system like OS-9.
Best Regards,
Marc J.
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http://marc.retronik.fr/motorola/68K/68000.html