# Postal vs Warren

> Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.

| | Postal | Warren |
|---|---|---|
| Score | 72/100 ✓ | 52/100 |
| Rank in category | #3 of 16 in Mail Server | #87 of 209 in AI Agents |
| GitHub stars | 16 899 ✓ | 510 |
| Stars, last 30 days | +72 ✓ | +0 |
| Stable releases, 12 months | 3 | 10 ✓ |
| Latest release | 3.3.7 · 3 Jun 2026 | v0.19.3 · 7 Oct 2026 ✓ |
| Setup | Advanced | Advanced ✓ |
| Official Docker image | Yes | Yes |
| License | MIT | MIT |
| Main language | Ruby | Typescript |

## Which one should you pick?

Postal scores 72/100 against 52/100 for Warren, so it is the safer default.

Warren ships more often: 10 stable releases in the past year, against 3 for Postal.

Postal is growing faster right now (+72 stars in 30 days).

## Details

- [Postal](https://selfhost.directory/project/postal) (markdown: https://selfhost.directory/project/postal.md)
- [Warren](https://selfhost.directory/project/warren) (markdown: https://selfhost.directory/project/warren.md)

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Source: https://selfhost.directory/compare/postal-vs-warren