Mail-in-a-BoxvsRadicale
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| Mail-in-a-Box | Radicale | |
|---|---|---|
| Score | 72/100 | 69/100 |
| Rank in category | #3 of 16 in Mail Server | #1 of 30 in Calendar & Contacts |
| GitHub stars | 15 450 | 5 154 |
| Stars, last 30 days | +32 | +115 |
| Stable releases, 12 months | 4 | 19 |
| Latest release | v77 · 26 Sept 2026 | v3.9.0 · 25 Oct 2026 |
| Setup | Moderate | Easy |
| Official Docker image | No | Yes |
| License | CC0-1.0 | GPL-3.0 |
| Main language | Python | Python |
Which one should you pick?
Mail-in-a-Box scores 72/100 against 69/100 for Radicale, so it is the safer default.
Radicale ships more often: 19 stable releases in the past year, against 4 for Mail-in-a-Box.
If you want the quickest setup, Radicale is easier to run; Mail-in-a-Box needs more configuration.
Radicale is growing faster right now (+115 stars in 30 days).
Mail-in-a-Box details →Radicale details →
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