MailerLite is an affordable, easy-to-use newsletter and email marketing platform
For the longest time I used MailChimp. I was drawn to the 2,000 free subscribers.
But when MailChimp changed how they defined subscribers and made some other not so user friendly changes, I started looking for alternatives. Not just for the free tier, but for my paid subscriber lists (I have clients that send out newsletters and they need more bang for the buck than what many free tier offers).