well i used socialmarker.com it has an options to filter the best, nofollow and dofollow sites on the list
you can try http://seoandsemexpert.wordpress.com/2009/01/10/list-of-top-social-bookmarking-sites/ this here is 500+ bookmarking sites ...
TOP 99 (not in order) 1 del.icio.us 2 Netscape.com 3 Reddit.com 4 Stumbleupon.com 5 Google.com/Bookmarks 6 Technorati.com 7 Furl.net 8 wink.com 9 diigo.com 10 Blinklist.com 11 segnalo.alice.it 12 tailrank.com 13 cgi.fark.com 14 Bluedot.us 15 blogmarks.net 16 Myjeeves.ask.com 17 Backflip.com 18 blinklist.com 19 Spurl.net 20 linkagogo.com 21 slashdot.org 22 Newsvine.com 23 rawsugar.com 24 Netvouz.com 25 ma.gnolia.com 26 Shadows.com 27 mister-wong.de 28 Ma.gnolia.com 29 favorites.live.com 30 kaboodle.com 31 excites.com 32 citeULike.org 33 fungow.com 34 kaboodle.com 35 connotea.org 36 de.lirio.us 37 zlitt.com 38 plugim.com 39 bibsonomy.org 0 a1-webmarks.com 41 spotback.com 42 bookmark-manager.com 43 buddymarks.com 44 bookmax.net 45 bookmarktracker.com 46 claimid.com 47 easybm.com 48 i89.us 49 linksnarf.com 50 favoor.com 51 mobleo.net 52 murl.com 53 link2mark.com 54 myhq.com 55 mylinkvault.com 56 linkatopia.com 57 mywebdesktop.net 58 bookmarks.philippinecountry.com 59 onlinebookmarkmanager.com 60 searchles.com 61 shakk.us 62 startaid.com 63 sitejot.com 64 shoppersbase.com 65 urlex.info 66 syncone.net 67 socialbookmarking.org 68 wists.com 69 whitelinks.com 70 zoogim.com 71 zurpy.com 72 spotback.com 73 corank.com 74 lilisto.com 75 newsweight.com 76 plime.com 77 clipclip.org 78 lifelogger.com 79 dzone.com 80inkarena.com 81 zlitt.com 82 bmaccess.net 83 butterflyproject.nl 84 tagtooga.com 85 myvmarks.com 86 putvote.com 87 oyax.com 88 marktd.com 89 kinja.com 90 cloudytags.com 91 sitejot.com 92 chipmark.com 93 gabbr.com 94 chaamp.com 95 blogreporter.biz 96 barksbookmarks.com 97 votelists.com 98 aboogy.com 99 yahoo.com I hoped that helped you (rep appreciated)
Ordered according to site: 1 digg.com 2 stumbleupon.com 3 squidoo.com 4 reddit.com 5 technorati.com 6 mixx.com 7 google.com/bookmarks 8 myweb.yahoo.com 9 favorites.my.aol.com 10 slashdot.org 11 myjeeves.ask.com 12 humsurfer.com 13 propeller.com 14 folkd.com 15 metafilter.com 16 diigo.com 17 fark.com 18 wikio.com 19 dzone.com 20 indianpad.com 21 jumptags.com 22 blogcatalog.com/discuss 23 blurpalicious.com 24 newsvine.com 25 blinklist.com 26 mister-wong.com 27 faves.com 28 sphinn.com 29 del.icio.us 30 bookmarks.oneindia.in 31 connotea.org 32 url.org 33 kapely.net 34 a1-webmarks.com 35 bibsonomy.org 36 swik.net 37 spotback.com 38 bharatwaves.com 39 linkagogo.com 40 corank.com 41 searchles.com 42 lifeinnews.com 43 mylinkvault.com 44 citeulike.org 45 dropjack.com 46 simpy.com 47 oyax.com 48 b2blocal.net 49 rambhai.com 50 buddymarks.com 51 twine.com 52 dealigg.com 53 svejo.net 54 startaid.com 55 kirtsy.com 56 socialogs.com 57 squigglr.com 58 wirefan.com 59 smallbusinessbrief.com 60 bestofindya.com 61 shoutwire.com 62 tamilish.com 63 business-planet.net 64 tagza.com 65 designfloat.com 66 quadriot.com 67 cloudytags.com 68 web2list.com 69 oomega.com 70 contentpop.com 71 indianbytes.com 72 tipd.com 73 postonfire.com 74 bmaccess.net 75 sphere.com 76 kojaxx.com 77 wobblog.com 78 plime.com 79 newscola.com 80 th3scoop.com 81 kwoff.com 82 netvouz.com 83 fwisp.com 84 wagg.it 85 bookmarkall.com 86 topinews.com 87 webmaster911.com 88 givealink.org 89 koolontheweb.com 90 plugim.com 91 getboo.com 92 bookmark4you.com 93 wists.com 94 blogmarks.net 95 diggdirect.com 96 earthfrisk.com 97 gabbr.com 98 designmoo.com 99 blogengage.com 100 sitejot.com 101 uvouch.com 102 dizzed.com 103 bookmarkindo.com 104 healthranker.com 105 gaddiposh.com 106 dekut.com 107 maple.nu 108 easymash.com 109 onlinesocialbookmarking.com 110 7878748.com 111 pusha.se 112 veryhotlinks.com 113 listerlister.com 114 bookmarkplace.com 115 ellamey.com 116 blogbookmark.com 117 neo.host56.com 118 teenwag.com 119 weheartgossip.com 120 care2.com/news Rep appreciated and please check out the other full list to 700+ at http://www.social-bookmarking-sites-list.com/
enjoy it http://del.icio.us/warrich http://www.mister-wong.com/user/warrichuk http://www.diigo.com/user/warrichuk http://warrichuk.tumblr.com/ http://warrichuk.stumbleupon.com/ http://www.blinklist.com/warrichuk http://www.mylinkvault.com/warrichuk/page-1.htm http://www.reddit.com/user/warrichuk http://spotback.com/users/warrichuk http://claimid.com/warrichuk http://blurp.co.za/user/view/history/login/warrichuk http://url.org/bookmarks/warrichuk/ http://splattered.net/bookmarks.php/warrichuk http://migasdepan.net/bookmarks.php/warrichuk http://diggtags.com/user.php?login=warrichuk&view=history http://sportsarea.net/user/view/history/login/warrichuk http://www.knowsite.org/editprofile.php/warrichuk http://www.pressjunket.com/user.php?login=warrichuk&view=history http://www.goldenbookmarks.com/user/view/history/login/warrichuk http://m00.com/user.php?login=warrichuk&view=history http://tagqu.com/user.php?login=warrichuk&view=history http://www.whatnwhen.in/user/view/history/login/warrichuk http://www.business-planet.net/user/warrichuk/history/ http://www.getsocialbookmarking.co.cc/user.php?login=warrichuk&view=history http://asiansportsbuzz.com/user.php?login=warrichuk&view=history http://www.commitx.com/user/view/history/login/warrichuk http://www.submitnews.savethesoldiers.com/user.php?login=warrichuk&view=history http://blessingg.com/user.php?login=warrichuk&view=history http://www.2y1.net/user.php?login=warrichuk&view=history http://www.lifeinnews.com/user/view/history/login/warrichuk http://blogmandu.com/user.php?login=warrichuk&view=history http://reviewmysite.temi.co.uk/user.php?login=warrichuk&view=history http://qatarmark.co.cc/user.php?login=warrichuk&view=history http://www.yacle.com/user/view/history/login/warrichuk http://bookmarkyourpost.info/user/history/warrichuk
www a1-webmarks com www backflip com www clipmarks com clipclip org del icio us digg com google com/bookmarks mixx com reddit com
1 - digg 2 - redditt 3 - delicious 4 - stumbleupon 5 - mixx 6 - twitter 7 - facebook 8 - friends site 9 - DP sig.
@saurabhj thanks for the link. yes it is indeed a good list. have seen some of these sites. they r really good and interesting
Just search in any search engine you get more appropriate result regard your query . form my exp these three are best :- digg stumbleupon delicious