# deer-flow vs Postal

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

| | deer-flow | Postal |
|---|---|---|
| Score | 86/100 ✓ | 72/100 |
| Rank in category | #5 of 209 in AI Agents | #3 of 16 in Mail Server |
| GitHub stars | 84 580 ✓ | 16 898 |
| Stars, last 30 days | +1 659 ✓ | +74 |
| Stable releases, 12 months | 2 | 3 ✓ |
| Latest release | v2.1.0 · 24 Sept 2026 ✓ | 3.3.7 · 3 Jun 2026 |
| Setup | Advanced | Advanced ✓ |
| Official Docker image | No | Yes ✓ |
| License | MIT | MIT |
| Main language | Python | Ruby |

## Which one should you pick?

deer-flow scores 86/100 against 72/100 for Postal, so it is the safer default.

Postal ships more often: 3 stable releases in the past year, against 2 for deer-flow.

deer-flow is growing faster right now (+1 659 stars in 30 days).

## Details

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

---
Source: https://selfhost.directory/compare/deer-flow-vs-postal