I need a list of popular classifieds websites in Japan (sites where
people or businesses post items for sale or trade or barter. Also
general communities of exchange/announcements, such as Craigslist).

I do not want sites that focus on just one category (e.g. autos, or
toys, or musical instruments).

I do not need to know the following (some of which might not fit into
the category anyway): bidders.co.jp, ebay.com, auctions-nifty.com,
auction.co.jp.

Thank you.

Hi macaonghus-ga,

Good day and thanks for your question.

A list of Japanese classifieds sites:

Japantoday Classifieds
http://classifieds.japantoday.com/

Tokyo Notice Board
http://www.tokyonoticeboard.co.jp/ 
A weekly classified magazine with jobs, accommodations and personals. 

E-Desho 
http://www.edesho.com/ 
Free online classifieds for the English-speaking community in Japan. 

http://furima.rakuten.co.jp 

Sayonara Sale 
http://www.sayonarasale.jp/ 
Allows people to buy and sell used goods in Japan. 

Americans in Japan Classifieds 
http://www.ainj.com/classifi.htm 
Free service of classifieds. 

J-Citi Classified
http://www.jciti.com/ads/ 
Free classified ads with photos - sayonara sales, computers, books,
personals, jobs, events, and announcements.

Gaijin Pot Classifieds - http://www.gaijinpot.com/classifieds/ 
Free classifieds from Gaijin Pot, a free web e-zine. 

JapanUpdate.com 
http://japanupdate.com/classifieds/english/

GetHiroshima classifieds
http://www.gethiroshima.com/jp/Classifieds

Japan Classifieds
jCiti Ads is a Japan's Classified Ad system with Photo Upload. 'If
they can see your item, they will buy your item'
www.jciti.com/ads/classified.php?lang=jp  

Other sites of interest:
http://auction.co.jp 
http://auctions.yahoo.co.jp
http://www.01e.net/
http://iauctionet.co.jp

Hope the information provided is helpful

Regards,
Aditya2k-ga