Hemlock - Visualize your competitor's content calendar.
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.
BrandMentions - Get notified when people mention your brand or competitors
Whatsmyserp - Powerful Rank & Serp Tracking. Completely Free.
Klue - Klue is competitive intelligence for enterprise sales. We help sales, and the teams who enable them, leverage CI to win more deals.
SendView - The best way to track your competitors' email marketing.