The old Zodiac Ciphers wiki, which was previous found at, was being overrun by loathsome spammers, so I had to take the site down and convert it over to the new location, where I have been able to lock it down:

Let me know if anything appears to be missing!

Also, contact me if you are interested in contributing content to the Wiki, a place to collect fact-based observations, experiments, and analysis of the Zodiac ciphers.