Email Inspire - Discover the best of email design and marketing — Browse email newsletters from top brands.
Linkody - Save time and money by managing your SEO linkbuilding with Linkody.
EmailWay - Collection of the most insightful and informative email newsletters from across a wide spectrum of industries and interests
Backlinks by Neil Patel - A backlinks research tool for competitive intelligence
WhoSentWhat - We bring email newsletters from inbox to web
SE Ranking - All-in-One cloud-based SEO software for agencies, marketing teams and webmasters