This is the complete alphabetical list of all social bookmarking websites I use.
The list shows the pagerank of the social bookmarking site in real-time along with the main url and registration url.
I use this list all the time, so I keep it up-to-date.
Anyway, here ya go:

• 30daytags.com
  - ( main url ) - (no registration required)
• BlogMarks.net
  - ( main url ) - ( registration url )
• a1-webmarks
  - ( main url ) - ( registration url )
• aboogy.com
  - ( main url ) - ( registration url )
• ambedo.com
  - ( main url ) - ( registration url )
• backflip.com
  - ( main url ) - ( registration url )
• blinklist.com
  - ( main url ) - ( registration url )
• bloghop.com
  - ( main url ) - ( registration url )
• bluedot.us
  - ( main url ) - ( registration url )
• bmaccess.net
  - ( main url ) - ( registration url )
• bookkit.com
  - ( main url ) - ( registration url )
• bookmarktracker.com
  - ( main url ) - ( registration url )
• buddymarks.com
  - ( main url ) - ( registration url )
• butterflyproject.nl
  - ( main url ) - ( registration url )
• bwsmith.com
  - ( main url ) - ( registration url )
• chipmark.com
  - ( main url ) - ( registration url )
• citeulike.org
  - ( main url ) - ( registration url )
• clipclip.org
  - ( main url ) - ( registration url )
• clipmarks.com
  - ( main url ) - ( registration url )
• complore.com
  - ( main url ) - ( registration url )
• connectedy.com
  - ( main url ) - ( registration url )
• connotea.org
  - ( main url ) - ( registration url )
• corank.com
  - ( main url ) - ( registration url )
• de.lirio.us
  - ( main url ) - ( registration url )
• del.icio.us
  - ( main url ) - ( registration url )
• digg.com
  - ( main url ) - ( registration url )
• diigo.com
  - ( main url ) - ( registration url )
• ez4u.net
  - ( main url ) - ( registration url )
• favoriting.com
  - ( main url ) - ( registration url )
• feedmarker.com
  - ( main url ) - ( registration url )
• feedmelinks.com
  - ( main url ) - ( registration url )
• freelink.org
  - ( main url ) - ( registration url )
• fungow.com
  - ( main url ) - ( registration url )
• furl.net
  - ( main url ) - ( registration url )
• gravee.com
  - ( main url ) - ( registration url )
• hanzoweb.com
  - ( main url ) - ( registration url )
• i89.us
  - ( main url ) - ( registration url )
• icerocket.com
  - ( main url ) - (no registration required)
• ikeepbookmarks.com
  - ( main url ) - ( registration url )
• imp.etuo.us
  - ( main url ) - ( registration url )
• kaboodle.com
  - ( main url ) - ( registration url )
• kinja.com
  - ( main url ) - ( registration url )
• librarything.com
  - ( main url ) - ( registration url )
• lilisto.com
  - ( main url ) - ( registration url )
• linkatopia.com
  - ( main url ) - ( registration url )
• linkblog.com.br
  - ( main url ) - ( registration url )
• linklog.nl
  - ( main url ) - ( registration url )
• linkologia.pl
  - ( main url ) - ( registration url )
• listible.com
  - ( main url ) - ( registration url )
• looklater.com
  - ( main url ) - ( registration url )
• lookmarks.com
  - ( main url ) - ( registration url )
• ma.gnolia
  - ( main url ) - ( registration url )
• markaboo.com
  - ( main url ) - ( registration url )
• meme-stream.com
  - ( main url ) - ( registration url )
• mobleo.net
  - ( main url ) - ( registration url )
• myHq.com
  - ( main url ) - ( registration url )
• mylinkvault.com
  - ( main url ) - ( registration url )
• mypip.com
  - ( main url ) - ( registration url )
• myvmarks.com
  - ( main url ) - ( registration url )
• netscape.com
  - ( main url ) - ( registration url )
• netvouz.com
  - ( main url ) - ( registration url )
• nowpublic.com
  - ( main url ) - ( registration url )
• optimiz.us
  - ( main url ) - ( registration url )
• otavo.com
  - ( main url ) - ( registration url )
• oyax.com
  - ( main url ) - ( registration url )
• pixelmo.com
  - ( main url ) - ( registration url )
• portachi.com
  - ( main url ) - ( registration url )
• putvote.com
  - ( main url ) - ( registration url )
• rawsugar.com
  - ( main url ) - ( registration url )
• reddit.com
  - ( main url ) - ( registration url )
• searchles.com
  - ( main url ) - ( registration url )
• segnalo.alice.it
  - ( main url ) - ( registration url )
• shadows.com
  - ( main url ) - ( registration url )
• shoppersbase.com
  - ( main url ) - ( registration url )
• simpy.com
  - ( main url ) - ( registration url )
• sitejot.com
  - ( main url ) - ( registration url )
• spurl.net
  - ( main url ) - ( registration url )
• stumbleupon.com
  - ( main url ) - ( registration url )
• syncone.net
  - ( main url ) - ( registration url )
• tabmarks.com
  - ( main url ) - ( registration url )
• tagtooga.com
  - ( main url ) - ( registration url )
• tallstreet.com
  - ( main url ) - ( registration url )
• technorati.com
  - ( main url ) - ( registration url )
• tektag.com
  - ( main url ) - ( registration url )
• urlex.info
  - ( main url ) - ( registration url )
• web-feeds.com
  - ( main url ) - ( registration url )
• wink.com
  - ( main url ) - ( registration url )
• wirefan.com
  - ( main url ) - ( registration url )
• wists.com
  - ( main url ) - ( registration url )
• wykop.pl
  - ( main url ) - ( registration url )
• zoogim.com
  - ( main url ) - ( registration url )
• zurpy.com
  - ( main url ) - ( registration url )

Alright, that’s the list I use. Feel free to recommend more in case I forgot any.

bookmarking, list, promotion, registration, social, urls website

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