System 4 (Popularity: )
http://www.system4.co.uk/ Information and ordering instructions about a filter-based progressive method of reducing your dependency on nicotine, making it easier to quit ...
Lightfree (Popularity: )
http://www.lightfree.com It's a cigarette but you don't light it, you hold it and suck on it; no quit effectiveness claim made.
LivingFree (Popularity: )
http://www.selfhelpworks.com Online quit smoking program; makes a claim of 60-80% effectiveness, based on unpublished or uncited research.