Open-source email marketing
Replacing: Mailchimp
| Project | What it is | Stars | Last release | Replaces |
|---|---|---|---|---|
| listmonk Active AGPL-3.0 | High performance, self-hosted, newsletter and mailing list manager with a modern dashboard. Single binary app. | 24.0k | Oct 28, 2026 | Mailchimp, Substack |
| Mautic Active Mixed or custom | Mautic: Open Source Marketing Automation Software. | 10.9k | Oct 26, 2026 | Mailchimp |
| Plunk Active AGPL-3.0 | The Open-Source Email Platform. | 5.6k | Oct 21, 2026 | Mailchimp |
| Keila Active AGPL-3.0 | Open Source Newsletter Tool. | 2.3k | Oct 29, 2026 | Mailchimp |