SendView - The best way to track your competitors' email marketing.
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.
Competitors App - Competitors App helps marketers monitor their competitors' marketing moves in one place, with very little time investment.
Whatsmyserp - Powerful Rank & Serp Tracking. Completely Free.
MailCharts - Email marketing intelligeance for e-commerce companies
Tona - Strava for strength training and gym workouts