Social bookmarking sites are a popular way to store, classify, share and search links through the practice of folksonomy techniques on the Internet or Intranet.
Other than web page bookmarks, services specialized to a specific subject or format - feeds, books, videos, music, shopping items, map locations, wineries, etc. - can be found. Social bookmarking is also part of Social News Sites like Reddit.
Here are links to Social bookmarking sites
http://www.zurpy.com/
http://www.zaadz.com/
http://www.wykop.pl/
http://www.wists.com/
http://www.wirefan.com/
http://www.winklinks.com/
http://www.whitesmoke.latest-info.com/
http://www.webmunism.com/
http://www.web20toolbar.com/
http://www.ulinkx.com/
http://www.txt2pic.com/
http://www.thebeststuffintheworld.com/
http://www.tektag.com/
http://www.tallstreet.com/
http://www.tagtooga.com/
http://www.taghop.com/
http://www.taggly.com/
http://www.tabmarks.com/
http://www.stumbleupon.com/
http://www.spurl.net/
http://www.socialbookmarking.org/
http://www.smarking.com/
http://www.sitetagger.com/
http://www.simpy.com/
http://www.shareddish.com/
http://www.shadows.com/
http://www.scuttle.org/
http://www.rrove.com/
http://www.rawsugar.com/
http://www.ps3.imegastores.com/
http://www.portachi.com/
http://www.peoplefeeds.com/
http://www.oxytocin.latest-info.com/
http://www.optimiz.us/
http://www.netvouz.com/
http://www.millionsofgames.com/
http://www.millionlot.com/
http://www.meme-stream.com/
http://www.mecanbe.com/
http://www.loturak.es/
http://www.lookmarks.com/
http://www.listible.com/
http://www.linkroll.com/
http://www.linkologia.pl/
http://www.linklog.nl/
http://www.linkatopia.com/
http://www.linkagogo.com/
http://www.lilisto.com/
http://www.lifeslot.com/
http://www.kaboodle.com/
http://www.jots.com/
http://www.ineffabile.it/
http://www.indiagram.com/
http://www.i89.us/
http://www.goobtoob.com/
http://www.goesby.com/
http://www.getboo.com/
http://www.gayshortcut.com/
http://www.furl.net/
http://www.freefix.tophonors.com/
http://www.filangy.com/index.jsp
http://www.feedmelinks.com/
http://www.feedmarker.com/
http://www.feedbutler.com/
http://www.favoriting.com/
http://www.fanpop.com/
http://www.ekudos.nl/
http://www.eigology.com/***ear/
http://www.diigo.com/
http://www.digg.com/
http://www.dealoid.com/
http://www.crispynews.com/
http://www.connotea.org/
http://www.complore.com/
http://www.citeulike.org/
http://www.chaamp.com/
http://www.browsr.com/
http://www.bookmark.it/
http://www.bookkit.com/
http://www.bmaccess.net/
http://www.blue.us/
http://www.blosker.com/
http://www.bloodee.com/
http://www.blogmarks.net/
http://www.bloglot.com/
http://www.blinklist.com/
http://www.blinkbits.com/
http://www.backflip.com/
http://www.asiamodelhunt.com/
http://www.anabolics.resourcez.com/
http://www.ameesa.net/
http://www.a1-webmarks.com/
http://www.30daytags.com/
http://web2announcer.com/
http://watvindenwijover.nl/
http://unalog.com/
http://ticklr.net/
http://teachershare.org/
http://tagsy.com/
http://socialporn.com/
http://segnalo.com/
http://rollyo.com/
http://reddit.com/
http://panicattack.stop.to/
http://otavo.com/
http://openbm.de/
http://nsl.latest-info.com/
http://nsfw.reddit.com/top
http://myweb2.search.yahoo.com/
http://myprogs.net/
http://motorken.com/
http://meneame.net/
http://maple.nu/
http://ma.gnolia.com/
http://listmixer.com/
http://learn.to/stopspam
http://latest-info.com/stemcells/
http://latest-info.com/gaydating
http://joel.reddit.com/
http://investigator.latest-info.com/
http://imp.etuo.us/
http://h2obeta.law.harvard.edu/
http://gayweb.thrill.to/
http://gada.be/
http://freeipod.tophonors.com/
http://ebaymoney.fateback.com/
http://easyspanish.learn.to/
http://dieselfuel.latest-info.com/
http://del.icio.us/
http://de.lirio.us/
http://cloudytags.com/
http://clipmarks.com/
http://clipclip.org/
http://cheatingspouse.learn.to/
http://blogmemes.net/
http://blog.listible.com/
http://balatarin.com/
http://askthematrix.blogspot.com/
http://articletag.com/
http:///www.indiamarks.com
http:///www.2centsnews.com
Source
http://en.wikipedia.org/wiki/Social_bookmarking