http://delicious.com
http://digg.com/
http://www.connotea.org
http://www.reddit.com
http://www.diigo.com
http://www.folkd.com/
http://www.blinklist.com
http://spotback.com
http://www.bibsonomy.org/
http://www.startaid.com/
http://www.mylinkvault.com
http://www.favoor.com/
http://postonfire.com
http://buddymarks.com
http://www.linkets.com
http://www.oyax.com
http://www.humsurfer.com
http://www.fcc.com/
http://www.bookmarktracker.com
http://shoutwire.com
http://www.bestofindya.com
http://www.votelists.com
http://www.veryhotlinks.com/
http://www.mypip.com/
http://www.maple.nu/
http://www.pinoymug.com/
http://www.lifeinnews.com/
http://segnalo.virgilio.it
http://www.gaddiposh.com/
http://www.contentpop.com
http://www.bukmark.net/
http://ez4u.net
http://www.affiliated-business.com
http://wagg.it/
https://www.chipmark.com
http://www.wirefan.com/
http://www.th3scoop.com
http://www.sweepsgoat.com/
http://www.whatnwhen.in
http://www.wedigg.co.uk
http://www.oldrec.com
http://www.jackool.com
http://www.dekut.com
http://www.choowawa.com/
http://www.sitesmash.com
http://www.plaxo.com/
http://socialbm.info
http://smashsites.info/
http://site2c.info
http://seosocial.info
http://seobukmark.info
http://scoopsocial.info
http://scoopbookmarks.info
http://rolluplinks.info/
http://rankco.info/
http://postonsocial.info
http://placesubmit.info
http://placesocial.info
http://openbookmarks.info
http://onlinesocialbookmarking.com/
http://nowpopular.info
http://netfurl.info
neosocial.info 
http://mixxbookmarks.info
http://metrosocial.info/
http://markered.info
http://livesocial.info/
http://livebookmark.info
http://listpostings.info
http://www.jamespot.com
http://linkswire.info/
http://linksspot.info
http://linksection.info
http://linkschain.info
http://linksblot.info
http://linkorati.info/
http://justbookmarks.info
http://www.xerpi.com/
http://youmob.com/
http://www.ziki.com.au/
http://www.aaigg.com/submit/
http://www.wibb-it.com
http://www.addictionaire.com/login.php
http://www.kabulis.com
http://www.krumlr.com/
http://www.iorkut.net/
http://www.srilankanews.com
http://psychoticape.uni.cc/
http://news.bramptonregister.com
http://www.newsmarked.info
http://listyoururl.com
http://indiareporting.com/
http://www.dizzed.com
http://www.newsgarbage.com
http://www.topinews.com
http://www.therealpassport.com
http://www.blogbookmark.com
http://www.socialmedia1.com
http://www.newsmeback.com/
http://www.mypinkcheese.com/
http://www.linksprocket.com