Topvisor - All in one SEO and PPC tools for better marketing.
growth.email - Weekly curated email with the best growth marketing articles
Master of Letters Podcast - Learn what others are doing to drive traffic to their site
Great Email Copy - A dose of emails from around the web.
Moz Pro - Moz Pro is a PRO version that offers a complete SEO toolset that improves search engine ranking and visibility.
GrowthHackingIdea.com - One short, curated growth hacking idea a day to your email