Scribe: This is a great SEO tool for anyone wanting to simplify their SEO learning curve and for those trying to simplify their SEO work. It analyzes your content directly on your website and gives you suggestions to help you rank better in the search engines.
It looks at the relevance of your keywords, your keyword density in your content, and whether or not those keywords are primary, secondary or if your page isn’t optimized for those keywords at all.
It also helps you optimize your link building strategy for both your off page optimization efforts and within your own website and uses a best practices checklist to help you maximize your contents exposure to search engines.
Market Samurai This is an excellent Market Research tool for finding the best Keywords available and analyzing the competition for a specific Keyword using graphs and solid numbers to help you decide whether the keyword is worth using or if you should be targeting other keywords.
It helps you optimize your content for the search engines by giving you the power to figure out whether or not you will rank well for a specific keyword term in your niche and even gives you estimates of how much traffic you might be able to expect if you rank #1 for that keyword term.
You can also view detailed tutorials through their website to help you learn about how each of the tools work and how to use them effectively and efficiently so that you can maximize your results.