# Mailcow vs Zero to JupyterHub with Kubernetes

> Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.

| | Mailcow | Zero to JupyterHub with Kubernetes |
|---|---|---|
| Score | 77/100 ✓ | 64/100 |
| Rank in category | #2 of 106 in Email | #4 of 11 in Container Orchestration |
| GitHub stars | 13 713 ✓ | 1 725 |
| Stars, last 30 days | +215 | — |
| Stable releases, 12 months | 16 ✓ | 9 |
| Latest release | 2026-10 · 21 Oct 2026 ✓ | 4.4.4 · 20 Oct 2026 |
| Setup | Advanced ✓ | Advanced |
| Official Docker image | No | Yes ✓ |
| License | GPL-3.0 | Other |
| Main language | JavaScript | Python |

## Which one should you pick?

Mailcow scores 77/100 against 64/100 for Zero to JupyterHub with Kubernetes, so it is the safer default.

Mailcow ships more often: 16 stable releases in the past year, against 9 for Zero to JupyterHub with Kubernetes.

Mailcow is growing faster right now (+215 stars in 30 days).

## Details

- [Mailcow](https://selfhost.directory/project/mailcow) (markdown: https://selfhost.directory/project/mailcow.md)
- [Zero to JupyterHub with Kubernetes](https://selfhost.directory/project/zero-to-jupyterhub-k8s) (markdown: https://selfhost.directory/project/zero-to-jupyterhub-k8s.md)

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Source: https://selfhost.directory/compare/mailcow-vs-zero-to-jupyterhub-k8s