Link Popularity

Abounding Links
Offers services in increase link popularity to promote websites.
http://www.aboundinglinks.com/

Andy Hagans
Offers services to build permanent, relevant links. Includes link building articles.
http://www.andyhagans.com/

Boost Link Popularity
Human powered link popularity and link exchange programs for increasing website's search engine rankings.
http://www.boostlinkpopularity.com

Building Page Rank
Discusses google pagerank and honest ways of building it.
http://www.ipagerank.com

BuySellLinks.com
Allows buying links from other sites or selling links to other web site owners.
http://www.buyselllinks.com/

Free Text Link Exchange
Partner program allowing one to buy, sell or exchange links for free.
http://www.freetextlinkexchange.com/

Link Hounds
Provides link building tools for backlink analysis, competitive analysis, and articles on link building.
http://www.linkhounds.com/

Link Popularity Linktree.info
A website promotion tool that helps with targeted link popularity campaigns.
http://www.linktree.info

Link Popularity Pro
Specializes in building link popularity on Google.
http://www.linkpopularitypro.com

Link Popularity Service
Offers reciprocal and non reciprocal link popularity building services.
http://www.linkpopularityservice.com

Link Popularity Tools
Offers link popularity tools, including a free downloadable link popularity checker, and articles explaining link popularity and how to increase it.
http://www.link-popularity-tools.com/

LinkageXpress
Hand-tailored link popularity service which will announce site, get site linked within niche market, and generate targeted link partners.
http://www.linkagexpress.com

LinkedURL
Tool checks a site's Google PageRank, and reports how many links to that site are indexed in five major search engines.
http://www.linkedurl.com/

Linking Matters
Contains free reports that provide detailed guidelines, worksheets and resources for running an effective linking strategy to gain both traffic and quality link popularity.
http://www.linkingmatters.com/

Linking101.com
Provides information, links, and resources to assist webmasters in understanding and creating inbound links to their site as a means of promoting it.
http://www.linking101.com

LinkPopularity.com
Generates a customized report detailing a web site's link popularity.
http://www.linkpopularity.com/

LinksManager.com
Links management application service which automates links page management. It also promotes your website through a reciprocal link exchange which increases link popularity and web site traffic.
http://linksmanager.com

LinkStrategy
Reciprocal link management and strategy services.
http://www.linkstrategy.com

Marketleap Link Popularity
Compare link popularity for up to four URLs. Provides a benchmarking report to show where the submitted URL stands in comparies to competitors and other major online players.
http://www.marketleap.com/publinkpop/

PageRank Check
Online tool to check the PageRank of a website. Webmasters can place a button on their site that shows PageRank without using the Google Toolbar.
http://www.pagerank-check.org

PageRank Checker
A tool to check the pagerank of any web site online and to display the web site's pagerank on its pages.
http://www.prchecker.info

Text Link Ads Inc.
Sells static HTML links to help increase traffic.
http://www.text-link-ads.com

Text Link Brokers
Buy or sell text links for link popularity.
http://www.textlinkbrokers.com

TextLinkPopularity
Buy or sell permanent text links.
http://www.textlinkpopularity.com

TXTlinks.com
Offers guaranteed reciprocal link building services to increase link popularity score, targeted visitors and overall sales.
http://www.txtlinks.com

Web Site Popularity
Comparison of link popularity tools with information of services provided. Reports which search engines are used, the maximum numbers of URLs and if reports are available by e-mail.
http://www.cryer.co.uk/resources/popularity.htm

Website Publisher: All About Link Popularity and PageRank
Explains what link popularity and PageRank are, how to get incoming links, and how to optimize internal link structure.
http://www.websitepublisher.net/article/link_popularity/