Website: https://www.keila.io/
Source Code: https://github.com/pentacent/keila
Donate: https://github.com/sponsors/pentacent
ΒΆ Description
"Keila is an Open Source alternative to newsletter tools like Mailchimp or Sendinblue. With Keila you can easily send out newsletter campaigns and create sign-up forms. For smaller newsletters, you can use your own email inbox to send out campaigns. For larger newsletter projects, AWS SES, Sendgrid, Mailgun, and Postmark are supported in addition to SMTP."