deer-flowvsPostal
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).
deer-flow details →Postal details →