An incomplete list of good Zodiac Killer sites.
- Serial Killer Database - General information about the killings.
- SE7EN-X - Has detailed time lines for the murders.
- Zodiac Killer Facts - Has community boards and lengthy write-ups on the case.
- Zodiac Killer - Contains a lot of information about the case.
- Zodiac Zee - A community board dedicated to the Zodiac killings.