Mailpitvsprefect
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| Mailpit | prefect | |
|---|---|---|
| Score | 77/100 | 80/100 |
| Rank in category | #2 of 106 in Email | #5 of 32 in Workflow Automation |
| GitHub stars | 10 779 | 24 090 |
| Stars, last 30 days | +353 | +178 |
| Stable releases, 12 months | 23 | 17 |
| Latest release | v1.32.0 · 22 Oct 2026 | 2.20.27 · 23 Oct 2026 |
| Setup | Easy | Moderate |
| Official Docker image | Yes | Yes |
| License | MIT | Apache-2.0 |
| Main language | Go | Python |
Which one should you pick?
prefect scores 80/100 against 77/100 for Mailpit, so it is the safer default.
Mailpit ships more often: 23 stable releases in the past year, against 17 for prefect.
If you want the quickest setup, Mailpit is easier to run; prefect needs more configuration.
Mailpit details →prefect details →
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