SEOquake is a free plugin for browsers that provides you with key SEO metrics for a specific page, along with other useful tools such as SEO Audit and many others.
Use Surfer to research, audit, write, optimize and generate SEO optimized articles in 20 minutes. Everything you need to create a comprehensive content strategy that yields real results is a click away with Surfer!
BuzzStream is web-based software that helps the world’s best marketers promote their products, services and content to build links, buzz, and brands.
Keyword Tool Dominator (KTD) is a free keyword research tool with individual keyword search tools for Amazon, Bing search, eBay, Etsy, Google, Walmart, and YouTube.
I have been a Web Developer and PPC marketer for more than 15 years, and iSpionage is probably the most reliable competitor research tool I have ever used.
