MC1 Amiga
MC1 Amiga are an on-line store trying to make it easier for Amiga users to get hardware. MC1 stocks new SCSI, used Amiga parts and some software. MC1 have a full list of Australian Amiga User groups and Amiga dealers in the links page.

MorphOS
Goal: Provide modern functionality for a new OS layer and run most Amiga applications as efficiently as possible in a box environment with no Classic Amiga custom chips available.

Multi User System Security
A low level security system for the Amiga, consisting of a new filesystem and a library. It implements a security system similar to that of UNIX.

NetBSD 1.3 for Amiga
NetBSD port for Amigas with MMUs.

NetBSD/amiga - Un*x for the amiga
NetBSD/amiga is a free, portable unix like operating system for many machines, including the Amiga.

Official AmigaOS Portal
News and information about all current AmigaOS versions.

OpenBSD/amiga
OpenBSD port to Amiga: the same as the NetBSD/amiga port but with some additions.

TeamAROS
AROS support page.

The Official Massive Scene site
Site features: memberlist, pictures, downloads, PPC reviews and more...

Workbench Nostalgia
Dedicated to the preservation and restoration of the Amiga Workbench's history.

Yahoo Groups: AmigaOS4
Mailing list about Amiga OS4.X for the new AmigaOne compatible machines.