Microsoft Advertising Intelligence (formerly adCenter Add-in for Excel Beta) is a keyword research and optimization tool that operates in Microsoft Office Excel 2007 and now 2010. It provides keyword expansion, research, pricing and KPI data ...
A large collection of SEO tools and SEO articles. All well written and an easy to use site.
The collection of free SEO tools providing you with some basic and useful SEO insights.
This is a large coollection of tools for the following main sections.
Analyze and optimize your website with our free SEO and SEM tools online. Find the recommendations from the tools and fix the errors instantly now.
Free webmaster services including SEO, Search Engines, Domain Checkups, HTML, List Cleaner to remove duplicates and many other useful tools.
Get a free, instant report on your Google AdWords account performance with the AdWords Performance Grader. It's a free PPC audit in under a minute!
WordStream provides Internet marketing software and tools which are designed to make your search marketing campaigns more organized and more profitable. Search Marketing Tools for SEO & PPC.
A service for competitors research, shows organic and Ads keywords for any site or domain.
SEMrush seem to offer a lot of their tools free, possibly with limitations. So far i have found the following
Website analysis, stats and analytics. Information about site traffic, social media, reports, servers, research, worth, content and more.
100% Free SEO tools. Let's use and feeling. Unique content checker, unique content rewriter, keyword position, online ping website tool and more.
The official collection of search, social, PPC and webmaster tools at Webmaster World. Provide your feedback! Analyze your site with our free SEO tools: from Meta descriptions and keywords, to page speed and link checks, these online tools can be a sol ...
Free webmasters tools and resources. SEO, HTML, CSS, Security, Miscelaneous