Panguin Tool by Barracuda Digital - See your website's Google organic visit data overlaid with Google's major algorithm updates and changes to easily identify the impact on your website. Technology by Barracuda Digital.
Really Good UX - A library of screenshots for UX inspiration
SendView - The best way to track your competitors' email marketing.
Laws of UX - Key maxims that designers must consider when building UX
Seolyzer - Seolyzer is the ultimate SEO tool that provides you with all the information you need to improve your website’s health and performance.
CleverAnalytics - Competitor analysis & tracking of customer loyalty software