Edit: The series is a little out of date, but should give you the general idea. ROMs that are probably new since that article was published that have no google dependencies are Replicant (entirely libre), OmniROM, Copperhead OS, and CyanagenMod w/ a no-gapps-script.
Edit: The series is a little out of date, but should give you the general idea. ROMs that are probably new since that article was published that have no google dependencies are Replicant (entirely libre), OmniROM, Copperhead OS, and CyanagenMod w/ a no-gapps-script.