Optimizely - A/B testing you'll actually use.
Site Rank Data - View historical rank information of websites via time series charts.
VWO - Use VWO to tweak, optimize & personalize your website with minimal IT help.
Q-Stats - Get free marketing insights for every question on Quora.
AB Tasty - AB Tasty is an all-inclusive platform for conversion rate optimization, personalization, customer activation, and testing.
Seoxan - check seo report for any website, alexa ranking, server information, meta tags, authority, page speed and more