- https://www.google.com/bookmarks/ - PR9
- http://stumbleupon.com - PR8
- https://delicious.com - PR8
- http://citeulike.org - PR8
- http://digg.com - PR7
- https://diigo.com - PR7
- http://scoop.it - PR7
- http://slashdot.org - PR7
- http://plurk.com- PR7
- https://techdirt.com - PR7
- http://bibsonomy.org - PR7
- http://newsvine.com - PR7
- http://fark.com - PR7
- http://folkd.com - PR6
- http://mister-wong.com - PR6
- http://blinklist.com - PR6
- http://metafilter.com - PR6
- http://dzone.com - PR6
- http://blogmarks.net - PR5
- http://netvouz.com - PR5
- http://jeteye.com - PR5
- http://diggita.it - PR5
- http://linkagogo.com - PR4
- http://blogospherenews.com - PR4
- https://lintas.me - PR4
- http://bookmax.net - PR4
- http://colivia.de - PR4
- http://qqpipi.com - PR4
- http://ezyspot.com - PR4
- http://youmob.com - PR4
- http://a1-webmarks.com - PR4
- http://myhq.com - PR4
- http://buddymarks.com - PR4
- http://ikeepbookmarks.com - PR4
- http://explorebim.com - PR3
- http://newsmeback.com - PR3
- http://sitebar.org - PR3
- http://cloudytags.com - PR3
- http://extraplay.com - PR3
- http://bildu.net - PR3
- http://startaid.com - PR2
- http://business-planet.net - PR2
- http://blogbookmark.com - PR2
- http://klicknews.com - PR2
- http://indofeed.com - PR2
- http://openfaves.com - PR2
- http://ipopu.com - PR1
- http://subbmitt.com - PR1
- http://dizzed.com - PR1
