SendView - The best way to track your competitors' email marketing.
UX Archive Animated - iOS apps animated user flows
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
Seolyzer - Seolyzer is the ultimate SEO tool that provides you with all the information you need to improve your website’s health and performance.
UX Recipe for iOS - Design checklist & estimation tool for your next UX project