Following is a country-wise list of popular online free classifieds:

• USA: craigslist.org, kijiji.com, backpage.com .  More free calssifieds of USA.
• Canada:  craigslist.ca, kijiji.ca, Classifieds.Ca . More Canadian free classifieds.
• UK: gumtree.com, craigslist.co.uk, adzooks.co.uk, adoos.co.uk. More free classifieds on UK.
• Australia classifieds: gumtree.com.au, craigslsit.com.au, ozfreeonline.com
• India classified ad posting: quikr.com, craigslsit.co.in, kugli.com, webcosmo.com, locanto.com, vivastreet.co.in, olx.in
• Japan classified advertising: kijiji.co.jp, craigslist.jp
• Spain local classified websites: loquo.com, spain.franglo.com,
• New Zeland classified websites: gumtree.co.nz, auckland.craigslist.org
• Singapore free online classified sites: www.gumtree.sg, craigslist.com.sg, olxsg.com
• Italy classified advertising:  www.kijiji.it, italy.franglo.com, italyclassifieds.net
• French local classifieds: www.kijiji.fr, frenchclassified.com, paris.franglo.com
• Germany classifieds: kijiji.de, locanto.com
• South Africa classified sites: gumtree.co.za, orangepages.co.za, youpost.co.za
• China online classifieds : baixing.com,  shanghai.craigslist.com.cn, www.locanto.cn
• Philippines free classifieds:  manila.craigslist.com.ph, classifiedsph.com
• Russia : www.slando.ru, ru.anuncioo.com
• Poland : www.gumtree.pl
• Hong Kong:  gumtree.com.hk, hongkong.craigslist.org
• Thailand: craigslist.co.th
• The Netherlands: www.marktplaats.nl, amsterdam.craigslist.org
• Mexico: craigslist.com.mx, www.mexonline.com, mexico.zeezo.com
• Brazil: rio.en.craigslist.org, redeparede.com, brazzilads.com
• Argentina: buenosaires.en.craigslist.org,
• Switzerland : zurich.en.craigslist.ch, market.local.ch/en, www.kijiji.ch
• Belgium: www.kijiji.be
• Austria: kijiji.at
• Czech Republic: www.slando.cz
• Slovakia: www.slando.sk
• Hungary: www.slando.hu
• Ukraine: www.slando.com.ua
• Turkey: www.kijiji.com.tr, www.turkeyclassifieds.com
• Taiwan: www.kijiji.com.tw, tw.anuncioo.com

Feel free to share popular free classifieds of other countries here.