Mattermark Daily - A curated newsletter of blog posts from investors & founders
Revue - The easiest way to create and send a curated newsletter
Folloh - It brings all the news you want from around the web
CreatorDB - Data-Driven Influencer Marketing
LetterHunt - LetterHunt connects you to 10,000+ niche, active newsletter writers to promote your product.
EmailDyno - Easily Create And Embed Dynamic content To Boost Your Email CTR