A Mailchimp Alternative Built On AWS SES (Simple Email Service)

I build Shopify sites for clients. A few months ago, Mailchimp decided to part ways with Shopify. While looking for mailchimp alternatives, i chanced upon one and i wrote about it here: https://medium.com/@elevatordings/a-mailchimp-clone-built-on-aws-ses-707a308f425e

Let me know your thoughts.