Postalvsprefect
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| Postal | prefect | |
|---|---|---|
| Score | 72/100 | 80/100 |
| Rank in category | #3 of 16 in Mail Server | #5 of 32 in Workflow Automation |
| GitHub stars | 16 899 | 24 092 |
| Stars, last 30 days | +75 | +180 |
| Stable releases, 12 months | 3 | 17 |
| Latest release | 3.3.7 · 3 Jun 2026 | 2.20.27 · 23 Oct 2026 |
| Setup | Advanced | Moderate |
| Official Docker image | Yes | Yes |
| License | MIT | Apache-2.0 |
| Main language | Ruby | Python |
Which one should you pick?
prefect scores 80/100 against 72/100 for Postal, so it is the safer default.
prefect ships more often: 17 stable releases in the past year, against 3 for Postal.
If you want the quickest setup, prefect is easier to run; Postal needs more configuration.
prefect is growing faster right now (+180 stars in 30 days).
Postal details →prefect details →
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