Category URL PR
Answering Services http://answers.yahoo.com 8
Answering Services http://www.linkedin.com/answers/ 8
Answering Services http://wiki.answers.com 7
Answering Services http://www.answerbag.com 6
Answering Services http://yedda.com 6
Answering Services http://www.fluther.com 5
Answering Services http://www.wondir.com 5
     
Category URL PR
Article Submission http://ezinearticles.com 6
Article Submission http://goarticles.com 6
Article Submission http://www.associatedcontent.com 6
Article Submission http://www.helium.com 6
Article Submission http://www.zimbio.com 6
Article Submission http://www.articlecity.com 5
Article Submission http://www.isnare.com 5
     
Category URL PR
Blog Aggregator http://www.bloglines.com 9
Blog Aggregator http://www.technorati.com 8
Blog Aggregator http://blogstreet.com 6
Blog Aggregator http://tailrank.com 6
Blog Aggregator http://www.weblogalot.com 6
Blog Aggregator http://www.blogs.com 5
Blog Aggregator http://www.syndic8.com 5
     
Category URL PR
Blogging http://www.blogger.com 8
Blogging http://www.livejournal.com 8
Blogging http://www.wordpress.com 8
Blogging http://www.typepad.com 8
Blogging http://www.movabletype.org 8
Blogging http://www.xanga.com 7
Blogging http://www.squarespace.com 6
     
Category URL PR
Directory http://www.dmoz.org 8
Directory http://lii.org 8
Directory - Business http://www.insiderpages.com 8
Directory - Business http://www.dexknows.com 8
Directory - Business http://www.superpages.com 8
Directory - Industrial http://www.thomasnet.com 8
Directory - Business http://local.yahoo.com 7
Directory http://botw.org 6
Directory - Business http://www.local.com 6
Directory - FAQ http://www.querycat.com 6
Directory - Business http://www.localeze.com 5
Directory - Business http://www.truelocal.com 5
     
Category URL PR
How To http://www.ehow.com 7
How To http://www.instructables.com 7
How To http://www.wikihow.com 6
     
Category URL PR
Life Streaming http://twitter.com 8
Life Streaming http://www.plurk.com 7
Life Streaming http://pownce.com 7
Life Streaming http://www.plaxo.com 7
Life Streaming http://jaiku.com 6
Life Streaming - Location Based http://www.brightkite.com 6
Life Streaming http://identi.ca 5
Life Streaming http://youare.com 5
Life Streaming http://www.kwippy.com 4
Life Streaming - Business http://yammer.com 2
Life Streaming http://www.koornk.com 0
Life Streaming http://utterli.com 0
     
Category URL PR
Lists http://www.43things.com 7
Lists http://www.wists.com 6
Lists http://www.listal.com 5
Lists http://www.listible.com 5
Lists http://www.agglom.com 4
Lists http://www.boxedup.com 4
     
Category URL PR
Local Recommendations & Reviews http://www.citysearch.com 8
Local Recommendations & Reviews http://www.yelp.com 7
Local Recommendations & Reviews http://www.judysbook.com 5
Local Recommendations & Reviews http://grayboxx.com 4
     
Category URL PR
Micro Blogging http://tumblr.com 7
Micro Blogging http://rejaw.com 5
     
Category URL PR
Photo Sharing http://www.flickr.com 9
Photo Sharing http://www.fotki.com 6
Photo Sharing http://www.picturetrail.com 6
Photo Sharing http://www.zorpia.com 5
     
Category URL PR
Press Release Outlet http://www.prweb.com 7
Press Release Outlet http://free-press-release.com 5
Press Release Outlet http://www.1888pressrelease.com 5
Press Release Outlet http://www.clickpress.com 5
Press Release Outlet http://www.newswiretoday.com 5
Press Release Outlet http://www.pr.com 5
Press Release Outlet http://www.pressbox.co.uk 5
Press Release Outlet http://www.prlog.org 5
Press Release Outlet http://www.sanepr.com 5
Press Release Outlet http://express-press-release.com 4
Press Release Outlet http://www.24-7pressrelease.com 4
Press Release Outlet http://www.free-press-release-center.info 4
Press Release Outlet http://www.theopenpress.com 4
     
Category URL PR
Search Engine http://www.surfwax.com 7
Search Engine http://cuill.com 6
Search Engine - Custom http://www.rawsugar.com 6
Search Engine - Social http://addictomatic.com 6
Search Engine - Social http://myweb2.search.yahoo.com 6
Search Engine - Social (Twitter) http://tweetscan.com 6
Search Engine - Wikis http://www.wikimatrix.org 6
Search Engine http://www.sproose.com 5
Search Engine - Local http://de.lirio.us 5
Search Engine - Meta http://us2.ixquick.com 5
Search Engine - Meta http://www.crossengine.com 5
Search Engine - Meta http://www.scour.com 5
Search Engine - Social http://nsyght.com 4
     
Category URL PR
Social Action http://www.change.org 6
Social Action - Green http://makemesustainable.com 6
Social Action - Green http://www.carbonrally.com 6
Social Action - Green http://www.care2.com 6
Social Action - Green http://www.celsias.com 6
Social Action http://www.2people.org 5
Social Action - Green http://www.zerofootprint.net 5
     
Category URL PR
Social Aggregator http://friendfeed.com 7
Social Aggregator http://www.popuri.us 6
     
Category URL PR
Social Bookmarking http://www.blinklist.com 8
Social Bookmarking http://www.mister-wong.com 8
Social Bookmarking http://www.stumbleupon.com 8
Social Bookmarking http://ma.gnolia.com 7
Social Bookmarking http://mystuff.ask.com 7
Social Bookmarking http://myweb.yahoo.com 7
Social Bookmarking http://www.folkd.com 7
Social Bookmarking http://www.furl.net 7
Social Bookmarking - Scholarly http://www.citeulike.org 7
Social Bookmarking - Scholarly http://www.connotea.org 7
Social Bookmarking http://clipmarks.com 6
Social Bookmarking http://del.icio.us 6
Social Bookmarking http://feedmelinks.com 6
Social Bookmarking http://linkfilter.net 6
Social Bookmarking http://simpy.com 6
Social Bookmarking http://www.backflip.com 6
Social Bookmarking http://www.bibsonomy.org 6
Social Bookmarking http://www.clipclip.org 6
Social Bookmarking http://www.diigo.com 6
Social Bookmarking http://www.mybookmarks.com 6
Social Bookmarking http://www.netvouz.com 6
Social Bookmarking http://www.sitejot.com 6
Social Bookmarking http://www.spurl.net 6
Social Bookmarking - Video http://videobomb.com 6
Social Bookmarking http://spotback.com 5
Social Bookmarking http://www.bookmarktracker.com 5
Social Bookmarking http://www.buddymarks.com 5
Social Bookmarking http://www.connectedy.com 5
Social Bookmarking http://www.corank.com 5
Social Bookmarking http://www.getboo.com 5
Social Bookmarking http://www.linkagogo.com 5
Social Bookmarking http://www.myhq.com 5
Social Bookmarking http://www.mylinkvault.com 5
Social Bookmarking http://www.myvmarks.com 5
Social Bookmarking http://www.oyax.com 5
Social Bookmarking http://www.searchles.com 5
Social Bookmarking http://www.startaid.com 5
Social Bookmarking http://blogmarks.net 4
Social Bookmarking http://ez4u.net 4
Social Bookmarking http://www.a1-webmarks.com 4
Social Bookmarking http://www.blurpalicious.com 4
Social Bookmarking http://www.bmaccess.net 4
Social Bookmarking http://www.bookkit.com 4
Social Bookmarking http://www.bookmark-manager.com 4
Social Bookmarking http://www.easybm.com 4
Social Bookmarking http://www.mypip.com 4
Social Bookmarking http://www.spicypage.com 4
Social Bookmarking - Fashion http://chictini.com 4
Social Bookmarking - Local http://placeshout.com 4
Social Bookmarking http://thinkpocket.com 3
     
Category URL PR
Social Contest Creation http://bix.yahoo.com 6
Social Contest Creation http://www.bigcarrot.com 4
     
Category URL PR
Social Maps http://www.frappr.com 6
     
Category URL PR
Social Networking http://www.facebook.com 9
Social Networking http://www.myspace.com 9
Social Networking - Business http://www.linkedin.com 8
Social Networking http://hi5.com 7
Social Networking http://www.gather.com 7
Social Networking http://www.ning.com 7
Social Networking http://www.bebo.com 7
Social Networking http://www.friendster.com 7
Social Networking http://my.mashable.com 6
Social Networking - Golf http://www.golflink.com 6
Social Networking - Parenting http://www.lilaguide.com 6
Social Networking - Shopping http://www.kaboodle.com 6
Social Networking - Shopping http://www.thisnext.com 6
Social Networking - Sports http://www.takkle.com 6
Social Networking - Travel http://www.43places.com 6
Social Networking - Weddings http://www.theknot.com 6
Social Networking http://perfspot.com 5
Social Networking http://www.zorpia.com 5
Social Networking - Fashion http://www.stylehive.com 5
Social Networking - Parenting http://www.mothersclick.com 5
Social Networking - Sports http://www.sportsmates.com 5
Social Networking - Cyclists http://www.bikespace.net 4
Social Networking - Fishing http://www.anglingmasters.com 4
Social Networking - Fitness http://www.fitlink.com 4
Social Networking - Golf http://www.golf-finder.net 4
Social Networking - Planning http://planyp.us 4
Social Networking - Racing http://infieldparking.com 4
Social Networking - Sports http://highschoolplaybook.com 4
Social Networking - Sports http://www.sportsvite.com 4
     
Category URL PR
Social News - Science & Tech http://slashdot.org 9
Social News http://digg.com 8
Social News http://reddit.com 8
Social News http://www.propeller.com 8
Social News http://www.mixx.com 7
Social News http://www.newsvine.com 7
Social News http://www.nowpublic.com 7
Social News http://www.plime.com 6
Social News - Developers http://www.dzone.com 6
Social News - Entertainment http://showhype.com 6
Social News - Industrial http://news.thomasnet.com 6
Social News - Search Marketing http://sphinn.com 6
Social News - Sports http://ballhype.com 6
Social News - Startups http://www.killerstartups.com 6
Social News - Women http://www.kirtsy.com 6
Social News http://hypediss.com 5
Social News http://www.buzzflash.net 5
Social News http://www.dropjack.com 5
Social News - Answering Service http://www.askeet.com 5
Social News - Applications http://www.feedmyapp.com 5
Social News - Auto http://www.autospies.com 5
Social News - Business http://www.smallbusinessbrief.com 5
Social News - Computers http://tweako.com 5
Social News - Computers http://www.dotnetkicks.com 5
Social News - Green http://www.hugg.com 5
Social News - India http://www.indianpad.com 5
Social News - Shopping http://www.iliketotallyloveit.com 5
Social News http://www.fark.com 4
Social News http://www.shoutwire.com 4
Social News - Domaining http://www.dnhour.com 4
Social News - Religion http://www.blogs4god.com 4
Social News - Tips http://daytipper.com 4
     
Category URL PR
Social Tagging http://www.jumptags.com 6
Social Tagging http://www.yellowbot.com 6
Social Tagging http://www.hashtags.org 5
Social Tagging http://bestuff.com 5
Social Tagging http://www.whatali.st 5
     
Category URL PR
Social Video http://www.youtube.com 9
Social Video http://video.google.com 8
Social Video http://vids.myspace.com 8
Social Video http://video.aol.com 7
Social Video http://www.dailymotion.com 7
Social Video http://www.ifilm.com 7
Social Video http://www.metacafe.com 7
Social Video http://revver.com 6
     
Category URL PR
Tools - Bookmarking http://www.addthis.com 9
Tools - Blog Syndication http://www.feedburner.com 8
Tools - Blog Search http://www.icerocket.com 7
Tools - Duplicate Content Detection http://www.copyscape.com 7
Tools - File Sharing http://www.box.net 7
Tools - Keyword Research http://www.wordtracker.com 7
Tools - OpenID http://claimid.com 7
Tools - Search Engine http://jux2.com 7
Tools - Analytics http://www.haveamint.com 6
Tools - Analytics http://www.woopra.com 6
Tools - Blog Ping http://pingomatic.com 6
Tools - Blog Syndication (Twitter) http://twitterfeed.com 6
Tools - Browser Compatibility http://browsershots.org 6
Tools - New Web 2.0 Listings http://www.go2web20.net 6
Tools - Outsourcing http://www.guru.com 6
Tools - Traffic Data http://siteanalytics.compete.com 6
Tools - Video Syndication http://www.tubemogul.com 6
Tools - Web Dev http://www.jonasjohn.de 6
Tools - Blogging http://www.blogdesk.org 5
Tools - Bookmarking http://www.socialmarker.com 5
Tools - Bookmarking http://www.socialposter.com 5
Tools - Bot Goggles http://www.seo-browser.com 5
Tools - Directory Builder http://www.esyndicat.com 5
Tools - Domaining http://www.domainsbot.com 5
Tools - Fake Name Generator http://www.fakenamegenerator.com 5
Tools - Keyword Research http://seodigger.com 5
Tools - Presentations http://www.sliderocket.com 5
Tools - Reputation Management http://www.trackur.com 5
Tools - SEO http://tools.seobook.com 5
Tools - Sitemaps http://gsitecrawler.com 5
Tools - Social Marketing http://mixercast.com 5
Tools - Web Dev / SEO http://tester.jonasjohn.de 5
Tools - Webmasters http://www.ranks.nl 5
Tools - htaccess editor http://www.htaccesseditor.com 4
Tools - SEO Bad Neighborhoods http://www.bad-neighborhood.com 4
Tools - Stats Checker http://www.xinureturns.com 4
Tools - Tool Bar Bookmarks http://www.blummy.com 4
Tools - Wordpress Plugins http://alexking.org 4
Tools - Blog Ping http://www.pingoat.com 3
Tools - Bookmarking http://www.posttoaster.com 3
Tools - Directory List http://directorycritic.com 3
Tools - Web Dev Tutorials http://pixelgroovy.com 3
Tools - Keyword Research http://www.semrush.com 0
     
Category URL PR
Wiki http://groups.yahoo.com 8
Wiki http://en.wikipedia.org 8
Wiki http://www.squidoo.com 8
Wiki http://360.yahoo.com 7
Wiki http://pbwiki.com 7
Wiki http://www.wetpaint.com 7
Wiki http://www.wikia.com 7
Wiki http://www.wikispaces.com 7
Wiki http://en.citizendium.org 6
Wiki http://www.piczo.com 6
Wiki http://spruz.com 5
Wiki http://www.productwiki.com 5