Self-hostable open-source Mailchimp alternatives
Newsletters and email campaigns. Self-hosted senders cut per-subscriber pricing and keep list data private.
Among 3 self-hostable open-source Mailchimp alternatives tracked here, Listmonk currently leads on the Self-Host Health Score (96/100, 21k★, last commit 2d ago). For a Raspberry Pi or a low-RAM VPS, Listmonk is the lightest at a documented ~512 MB (PostgreSQL). 2 of them publish official ARM64 images (Raspberry Pi / Apple Silicon). 1 offer a one-click deploy (e.g. PikaPods, Railway).
| Tool | Health | Stars | Database | Min RAM | ARM/Pi | One-click | Updated |
|---|---|---|---|---|---|---|---|
| Listmonk
↗
Blazing-fast self-hosted newsletter + mailing-list manager (single binary). |
96 Thriving |
21k★ Go |
PostgreSQL | 512 MB | ✓ ● | PikaPods ↗ Railway ↗ | 2d ago AGPL-3.0 |
| Mautic
↗
Full marketing-automation suite: campaigns, segments, landing pages. |
94 Thriving |
9.8k★ PHP |
MySQL/MariaDB | 2048 MB | ✓ ● | — | 1d ago |
| phpList
↗
Veteran open-source newsletter manager; runs on cheap LAMP. |
69 Healthy |
850★ PHP |
MySQL/MariaDB | 512 MB | ✗ ● | — | 5d ago AGPL-3.0 |
FAQ
What is the best self-hostable Mailchimp alternative?
By the live Self-Host Health Score, Listmonk ranks highest (96/100).
Which open-source Mailchimp alternatives run on a Raspberry Pi?
Those publishing official ARM64 images: Listmonk, Mautic.
Which is the lightest on RAM?
Listmonk, at about 512 MB.