Other dozenal sites
DSA:
America
Nature's Numbers, base twelve:
Bill Hollon's site
Planck units:
System, based on Planck units (extract)
Whittens:
Dozenal counting ideas
ParadigmSearch:
Dozenals
Utah University Math 3010 blog:
Defending Dozenal
Zyvra:
Defending dozenal (incl. links)
Windows 8:
Dozenal clocks and calculators for Windows