Herramientas SEO

Listado obtenido inicialmente de los foros de digitalpoint.
http://www.dmoz.org/ (base page PR9)
http://dir.yahoo.com/ (base page PR9)
http://www.earthstation9.com (base page PR6, it uses frames, but it is SE friendly) http://www.geniusfind.com/ (base page PR6)
http://www.re-quest.net/ (base PR6)
http://www.qango.com/ (base page PR6)
http://www.wowdirectory.com/ (base page PR6)
http://www.directoryarchives.com/ (base page PR6)
http://www.gimpsy.com/ (base page PR6)
http://www.smartlinks.org (base PR5)
http://www.josh.nu/ (base PR5)
http://www.blakkat.com/ (base PR5)
http://www.webworldindex.com/ (base page PR5)
http://www.yeandi.com/ (base page PR5)
http://www.turnpike.net/directory.phtml (base page PR5)
http://www.websavvy.cc/ (base page PR5)
http://www.webworldindex.com/ (base page PR5)
http://www.worldwidewub.org/ (base page PR4)
http://www.thedirectorysite.com/ (base page PR4)
http://www.seekon.com/ (base page PR3)
http://www.aardvarkbusiness.net/
http://www.imarvel.com/best/web-sites.html
http://www.webmasteryp.com/
http://phil.mav.net/
http://search.netpei.com/
http://www.asiadragons.com/
http://rex.skyline.net/
http://sbd.bcentral.com/
http://searchuk.com/
http://www.smartlinks.org/
http://laurel.netster.com/
http://www.webdirectory.com/
http://www.worldhot.com/addurl/
http://search.711.net/
http://www.directory.net/
http://www.bbc.co.uk/
http://www.awebhostingprovider.com/
http://www.beebuzz.com/
http://www.spheri.ca/directory/view.php/
http://www.theknowledgenetwork.org
http://www.frequentlyasked.info
http://www.spheri.com
http://directory.edu411.org
http://www.action-learning.com/resources/
http://www.illumirate.com
http://fitnesspros.net/search/
http://www.search-2-search.com
http://www.seekon.com/
http://www.linkopedia.com/
http://www.onemission.com/d.pl
http://listingsca.com/
http://sunsteam.com/
http://www.re-quest.net/
http://www.123world.com/
http://dcpages.ari.net/
http://dcregistry.com/
http://www.fly2net.com/
http://www.joeant.com/
http://www.christianwebsitedirectory.com/
http://www.phatoz.com/
http://www.arielis.com/
http://1st-spot.net/
http://www.giftsbyursula.com/links/pages/
http://01webdirectory.com/
http://www.allwebdirectories.com/
http://www.about.com/
http://www.maven.co.il/
http://www.pharos-search.com/
http://www.josh.nu/
http://wwwomen.com/
http://www.myallfish.com/
http://www.goguides.org/
http://www.asmallbusinessdirectory.com/
http://www.invisible-web.net/
http://www.gimpsy.com/
http://www.canadopedia.com/
http://www.achoo.com/main.asp
http://search.jayde.com/cgi-bin/submit.cgi
http://submitit.bcentral.com/msnsubmit.htm
http://www.home-business-search.com/cgi-bin/add.cgi http://www.turnpike.net/directory.phtml?getentry
http://www.openhere.com/
http://www.scrubtheweb.com/addurl.html
http://www.creativethought.com/
http://www.onemission.com/d.pl
http://www.ditto.com/addurl.asp
http://www.searchking.com/add_url.htm
http://www.searchtheweb.com/suggest/
http://www.surfgopher.com/addurl.htm
http://www.dxpnet.com/riot/submit.asp
http://www.wowdirectory.com/how_add.php
http://www.walhello.com/addlinkgl.html
http://www.surfsafely.com/urladd.html
http://www.internetb2blist.com/house/submition.asp
http://www.peekaboo.net/
http://www.townnet.com/
http://www.galaxy.com/
http://www.enterweb.org/
http://www.superpages.ca/
http://www.imarvel.com/best/web-sites.html


Directorios especiales
http://www.webmasterschannel.com/ (base PR7, only web/computer related sites) http://www.webmaster-toolkit.com/directory.shtml (mostly web/computer related, preference in order given to recip urls, base PR6)
http://www.buzzle.com/ (free only for non-profits, schools, and government sites, base page PR6)
http://www.blueuniverse.co.uk/dir/index.php

Requieren intercambio de links:
http://www.britecorp.co.uk/business-directory/index.php http://www.sightquest.com/ http://www.netinsert.com/ http://www.amray.com/

Listado DMOZ de directorios:
http://dmoz.org/Reference/Directories/