RFC 8058 one-click unsubscribe standard implemented by most modern newsletter platforms; listed as compliance reference rather than a product.
| License | Standards |
|---|---|
| Tech stack | Protocol |
Open-source publishing platform with newsletter sending via SMTP/Mailgun.
High-performance self-hosted newsletter and mailing list manager.
Open-source Mailchimp-style newsletter tool with optional cloud.
Explore more Self-Hosted email newsletter software, read the email service provider (ESP) guide, or browse the Newsletter Info Blog.