docker-mailservervsopen-web-calendar
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| docker-mailserver | open-web-calendar | |
|---|---|---|
| Score | 80/100 | 53/100 |
| Rank in category | #1 of 16 in Mail Server | #9 of 30 in Calendar & Contacts |
| GitHub stars | 19 699 | 334 |
| Stars, last 30 days | +826 | — |
| Stable releases, 12 months | 2 | 0 |
| Latest release | v16.0.1 · 4 Sept 2026 | — |
| Setup | Advanced | Moderate |
| Official Docker image | Yes | Yes |
| License | MIT | GPL-2.0 |
| Main language | Shell | Python |
Which one should you pick?
docker-mailserver scores 80/100 against 53/100 for open-web-calendar, so it is the safer default.
docker-mailserver ships more often: 2 stable releases in the past year, against 0 for open-web-calendar.
If you want the quickest setup, open-web-calendar is easier to run; docker-mailserver needs more configuration.
docker-mailserver is growing faster right now (+826 stars in 30 days).
docker-mailserver details →open-web-calendar details →
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