- Abounding Links - Offers services in increase link popularity to promote websites
- Andy Hagans - Offers services to build permanent, relevant links. Includes link building articles
- Boost Link Popularity - Human powered link popularity and link exchange programs for increasing website's search engine rankings
- Building Page Rank - Discusses google pagerank and honest ways of building it
- BuySellLinks.com - Allows buying links from other sites or selling links to other web site owners
- Checkmyrank.com - Web-based tool to check a site's Google PageRank
- Free Text Link Exchange - Partner program allowing one to buy, sell or exchange links for free
- How to Get Non-Reciprocal Links to Your Website - Article covers strategies in obtaining links without having to link back
- Link Builders - A resource for building reciprocal links
- Link Hounds - Provides link building tools for backlink analysis, competitive analysis, and articles on link building
- Link Popularity Linktree.info - A website promotion tool that helps with targeted link popularity campaigns
- Link Popularity Pro - Specializes in building link popularity on Google
- Link Popularity Service - Offers reciprocal and non reciprocal link popularity building services
- Link Popularity Tools - Offers link popularity tools, including a free downloadable link popularity checker, and articles explaining link popularity and how to increase it
- LinkageXpress - Hand-tailored link popularity service which will announce site, get site linked within niche market, and generate targeted link partners
- LinkedURL - Tool checks a site's Google PageRank, and reports how many links to that site are indexed in five major search engines
- LinkEngines - Provides a service for link management
- 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
- 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
- LinkPopularity.com - Generates a customized report detailing a web site's link popularity
- 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
- LinkStrategy - Reciprocal link management and strategy services
- 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
- 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
- PageRank Checker - A tool to check the pagerank of any web site online and to display the web site's pagerank on its pages
- Relevant Link - Linking services available at multiple levels to increase link popularity, PageRank and search engine ranking
- ReportBot - Checks link popularity, PageRank, Alexa ranking, and DMOZ status
- SitePopularity - A tool to count links on major search engines, provided by Blueberry Internet
- Text Link Ads Inc. - Sells static HTML links to help increase traffic
- Text Link Brokers - Buy or sell text links for link popularity
- TextLinkPopularity - Buy or sell permanent text links
- TXTlinks.com - Offers guaranteed reciprocal link building services to increase link popularity score, targeted visitors and overall sales
- Uptimebot.com - Offers online link popularity script and option for daily emails of link popularity on multiple domains
- 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
- 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