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Stalwart Mail ServervsZero to JupyterHub with Kubernetes

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

Stalwart Mail ServerZero to JupyterHub with Kubernetes
Score78/10064/100
Rank in category#2 of 16 in Mail Server#4 of 11 in Container Orchestration
GitHub stars15 4641 725
Stars, last 30 days+680—
Stable releases, 12 months319
Latest releasev1.0.1 · 28 Oct 20264.4.4 · 20 Oct 2026
SetupModerateAdvanced
Official Docker imageYesYes
LicenseAGPL-3.0-only AND LicenseRef-SELOther
Main languageRustPython

Which one should you pick?

Stalwart Mail Server scores 78/100 against 64/100 for Zero to JupyterHub with Kubernetes, so it is the safer default.

Stalwart Mail Server ships more often: 31 stable releases in the past year, against 9 for Zero to JupyterHub with Kubernetes.

If you want the quickest setup, Stalwart Mail Server is easier to run; Zero to JupyterHub with Kubernetes needs more configuration.

Stalwart Mail Server is growing faster right now (+680 stars in 30 days).

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