Mail-in-a-Boxvsuncloud
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| Mail-in-a-Box | uncloud | |
|---|---|---|
| Score | 72/100 | 65/100 |
| Rank in category | #3 of 16 in Mail Server | #3 of 11 in Container Orchestration |
| GitHub stars | 15 446 | 5 584 |
| Stars, last 30 days | +27 | +81 |
| Stable releases, 12 months | 4 | 10 |
| Latest release | v77 · 26 Sept 2026 | v0.21.0 · 2 Oct 2026 |
| Setup | Moderate | Advanced |
| Official Docker image | No | No |
| License | CC0-1.0 | Apache-2.0 |
| Main language | Python | Go |
Which one should you pick?
Mail-in-a-Box scores 72/100 against 65/100 for uncloud, so it is the safer default.
uncloud ships more often: 10 stable releases in the past year, against 4 for Mail-in-a-Box.
If you want the quickest setup, Mail-in-a-Box is easier to run; uncloud needs more configuration.
uncloud is growing faster right now (+81 stars in 30 days).
Mail-in-a-Box details →uncloud details →
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