I got below list from google sitemap tool page.
http://code.google.com/p/sitemap-generators/wiki/SitemapGenerators
But I think google need to review these sites due to most sitemap generators of these sites are not working or out of date.
* AuditMyPc.com Sitemap Generator – online tool not found
* AutoMapIt – need to [...]

Google Analytics
Google Webmaster Tools
GoogleRankings.com
SEOmoz’s Page Strength Tool
Sitening.com’s SEO Analyzer
Dead Links Checker
Mike’s Marketing Tools
Summit Media’s Spider Simulator
SelfSEO Page Speed Checker
FeedBurner
Free AutoCad Ebooks

solve duplicate content issue with canonical tag
Google has just recently released a new type of
attribute. It’s the rel=”canonical” attribute. This attribute is used to specify a preferred domain, so that Google bots don’t penalize you for duplicate content.
This is very useful for dynamic sites and forums. For example, you can access the ‘Google’ forum [...]

what is rel=’external’
In the html specification they have removed
target=_blank
and new terminology would be
rel=”external”
It would not effect the Pagerank it passes on
if it something like
rel=”external nofollow”
then the pagerank would not be passed
it’s just like target=”_blank” but it needs some javascript to make it functional.
function externalLinks() {
if (!document.getElementsByTagName) return;
var anchors = [...]

10 PR6 Dofollow Blogs For Free
PR6 http://www.currybet.net/
PR6 http://www.brazencareerist.com/
PR6 http://www.sirpi.org/
PR6 http://sayanythingblog.com/
PR6 http://links.org.au/
PR6 http://www.midasoracle.org/
PR6 http://blog.greens.org.nz/
PR6 http://www.tvhe.co.nz/
PR6 http://www.illinipundit.com/
PR6 http://weblogtoolscollection.com/

Fast inbound link building with high pr directories.
http://dir.search.ch
http://directory.google.com
http://hoppa.com/
http://search.earthcam.com
http://search.epnet.com
http://search.freefind.com
http://search.internet.com
http://search.mnogo.ru
http://search.namazu.org
http://uk.mobile.yahoo.com
http://www.1234-find-web-designers.org
http://www.1stindustrialdirectory.com
http://www.2rss.com
http://www.777media.com/submit.php 5
http://www.addurl-free.com/submit.php 5
http://www.agingresearch.org
http://www.allfreethings.com/
http://www.allheadlinenews.com
http://www.allthebizz.com/
http://www.americasbest.com/
http://www.amrresearch.com
http://www.ananzi.co.za
http://www.annuaire.indexweb.info 6
http://www.arakne-links.com/submit.php 5
http://www.art.net
http://www.arthritis-research.com
http://www.asplay.com
http://www.astronomylinks.com
http://www.asylumresearch.com
http://www.aussie.com.au
http://www.awesomelibrary.org
http://www.bestcatalog.net/
http://www.big-boards.com
http://www.bioresearch.ac.uk
http://www.bizweb.com/
http://www.blogcatalog.com
http://www.blogcritics.org
http://www.bloglines.com
http://www.blogpulse.com
http://www.bloguniverse.com
http://www.boingboing.net
http://www.bontonic.com/
http://www.booksmusicvideo.com/
http://www.botw.org
http://www.bubl.ac.uk
http://www.busybits.com 6
http://www.canadopedia.com/
http://www.cancerresearch.org
http://www.cancerresearchuk.org
http://www.canlinks.net/addalink 6
http://www.cansearch.org
http://www.cantufind.com/
http://www.capsresearch.org
http://www.chemdex.org
http://www.chiff.com/
http://www.clarib.com/submit.php 6
http://www.clearleadinc.com/
http://www.click4choice.com/
http://www.clickey.com 5
http://www.codot.net/submit.php 5
http://www.consumersearch.com
http://www.crosssearch.com
http://www.cyber-find.net 6
http://www.cyberwebsearch.com/
http://www.dc2net.com/
http://www.dcregistry.com 6
http://www.depensez.com 6
http://www.directory.conua.com 5
http://www.directory.iserv.com.au 5
http://www.directorybin.com/submit.php 5
http://www.dmoz.com
http://www.dmoz.org/
http://www.downes.ca
http://www.dtsearch2.com
http://www.earthstation9.com/
http://www.educationindex.com
http://www.elib.org
http://www.emfind.com
http://www.emteachline.com/links
http://www.envirolink.org
http://www.exactseek.com
http://www.familysearch.org
http://www.fastsearch.com
http://www.fbresearch.org
http://www.femina.com
http://www.fierceindia.com 7
http://www.firstsearch.oclc.org
http://www.fitnesspros.net/
http://www.fotosearch.com
http://www.foxsearchlight.com
http://www.freehotelsearch.com
http://www.freepatentsonline.com
http://www.free-top.net 5
http://www.freshtv.com/add1.php 5
http://www.gimpsy.com/
http://www.globaleyeglasses.com
http://www.globalresearch.ca
http://www.gmdir.com 5
http://www.greenstalk.com
http://www.guardian.co.uk/weblog
http://www.haabaa.com/
http://www.headlinespot.com
http://www.hostsearch.com
http://www.hsrd.research.va.gov
http://www.illumirate.com 5
http://www.imarvel.com/
http://www.indexudirectory.com
http://www.info.gov/phone.htm
http://www.info-listings.com 6
http://www.internet-web-directory.com 5
http://www.iozoo.com 6
http://www.jayde.com/
http://www.jobsearch.gov.au
http://www.josh.nu/
http://www.joslinresearch.org
http://www.kids4research.org
http://www.kimkiou.com 5
http://www.klik-klik.com 5
http://www.libdex.com/weblogs.html
http://www.lii.org
http://www.lsblogs.com
http://www.marketingtool.com
http://www.mavicanet.com 5
http://www.mavicanet.com/
http://www.megri.com 5
http://www.mnogosearch.org
http://www.money-talk.org/directory
http://www.mostpopularsites.net 5
http://www.mriresearch.org
http://www.msdssearch.com
http://www.musicmoz.org
http://www.music-research.org
http://www.mwsearch.com
http://www.myallfish.com/
http://www.network-room.com/links 5
http://www.newsmob.com
http://www.nlsearch.com
http://www.omnisecure.org 6
http://www.pandia.com/plus 6
http://www.panopticsearch.com
http://www.patient.co.uk/
http://www.pedsters-planet.co.uk 5
http://www.pegasusdirectory.com/submit.php 5
http://www.picosearch.com
http://www.picsearch.com
http://www.pingomatic.com
http://www.plentylinks.com/submit.php 5
http://www.promoteyourbusiness.thomasnet.com 7
http://www.proudlycanadian.net/
http://www.psychnet-uk.com/
http://www.pubsub.com
http://www.re-quest.net/
http://www.re-quest.net/
http://www.researchamerica.org
http://www.researchbuzz.com
http://www.rssreader.nl
http://www.science.cancerresearchuk.org
http://www.scirus.com
http://www.scriptsearch.com
http://www.search.able2know.com 5
http://www.search4i.com 6
http://www.searchbiblio.com
http://www.searchedu.com
http://www.searchengines.com
http://www.searchgov.com
http://www.searchinsider.com
http://www.searchmil.com
http://www.searchopolis.com
http://www.searchsight.com/submit.htm 5
http://www.searchsystems.net
http://www.searchtools.com
http://www.securitysearch.net
http://www.seekzap.com/bascsubmit.asp 5
http://www.siteinclusion.com/directory/add.html 5
http://www.sldirectory.com
http://www.smallerbizz.com/
http://www.smartlinks.org/
http://www.somuch.com/
http://www.somuch.com/AddSite/SuggestLink.asp 6
http://www.spheri.com 6
http://www.splut.com 6
http://www.sportsvl.com
http://www.submit2.jayde.com 6
http://www.submiturlhere.com/submit.php 5
http://www.superpages.ca/
http://www.theweblogreview.com
http://www.topix.net
http://www.tsection.com 5
http://www.turnpike.net/directory.html
http://www.umresearch.umd.edu
http://www.uncoverthenet.com
http://www.valuedirectories.info
http://www.web-beacon.com/
http://www.weblogalot.com
http://www.websavvy.cc/
http://www.webs-best-directory.com/
http://www.webworldindex.com 5
http://www.wikidweb.com [...]

How to get free web traffic?
1. Do your keyword research properly – find hot keyphrases with less than
say 100,000 results in Google
2. Write some articles with these phrases in them
3. Post these articles to ezinearticles and use the resource box to link
back to your site using the keyword as anchor text
4. Create a Squidoo lens [...]

Social marketing – Is it any good?
Social bookmarking websites could be great for traffic but only for the
quality pages and articles which are going to be liked and read by a lot of
people. This is a mistake thinking adding all of the pages of a site to such
portals and then expecting to be found on [...]

The fastest ways to get indexed by Google
– Submit to www.propeller.com you get indexed in 24hours.
– Putting up a single article on Digg.com.
– The fastest way to get indexed by google is to have a link on there
website?Youtube!
– Just make [...]

How can get backlinks from twitter?
Links from twitter are no-follow It won’t help your site on achieving it’s
high ranking.
useful if they’re targeted and get traffic. You get retweeted a lot by being
interesting.
And to not get banned – DON’T SPAM.
webmasters use twitter to generate quality traffic , not for back link
purposes.
But there is a way [...]