The Alternate Reality Mailing List
The mailing list archive which contains posts from as far back as 1996 including posts from some of the original programmers involved in Alternate Reality.
The Original Alternate Reality Homepage
The original Alternate Reality fan site and the first one I found upon gaining access to the internet in the mid 90s. Also includes the very comprehensive AR FAQ.
Lots of detailed information about the Atari ST 16bit version of AR:The City.
The Alternate Reality Disassembly Project
Jim Norris' site featuring lots of AR related tools and information on both the City and the Dungeon.
Alternate Reality Music (Currently unavailable)
Gary Gilbertson's site featuring a variety of his AR music including updated versions and sometracks which include video.
MarkTAW's Alternate Reality (Currently unavailable)
Information on hacking stats in both the City and the Dungeon, manuals and other items.
Alternate Reality Help Page
Guidance on playing the 16bit version of the City.