alt.coffee - join
Another group worshipping caffeine.
Medium activity, 2392 subscribers, Usenet

rec.food.drink.coffee - join
The making and drinking of coffee.
Low activity, 220 subscribers, Usenet

Coffee Roasting - join
We coffee roasting afficionados love to discuss the pleasures and pains of our hobby, our successes and abysmal failures, ideas and contraptions we've tried (or are about to) in the quest for the perfect cup. The Home Coffee Roasting Group is dedicated to assist us unearth the grail. Happy roasting!
Low activity, 243 members, moderated