PEAR - Connecting newsletters and advertisers 🍐
LetterHunt - LetterHunt connects you to 10,000+ niche, active newsletter writers to promote your product.
Newsletter Operating System - All-in-one dashboard to launch & grow your newsletter
Revue - The easiest way to create and send a curated newsletter
Unzip.dev - Discover the latest developer trends
Buttondown - Buttondown is the best way to start and run your newsletter