draw.iovsPostal
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| draw.io | Postal | |
|---|---|---|
| Score | 73/100 | 72/100 |
| Rank in category | #3 of 12 in Diagramming | #3 of 16 in Mail Server |
| GitHub stars | 9 044 | 16 898 |
| Stars, last 30 days | +734 | +74 |
| Stable releases, 12 months | 44 | 3 |
| Latest release | v32.6.1 · 23 Oct 2026 | 3.3.7 · 3 Jun 2026 |
| Setup | Moderate | Advanced |
| Official Docker image | Yes | Yes |
| License | Apache-2.0 | MIT |
| Main language | JavaScript | Ruby |
Which one should you pick?
draw.io scores 73/100 against 72/100 for Postal, so it is the safer default.
draw.io ships more often: 44 stable releases in the past year, against 3 for Postal.
If you want the quickest setup, draw.io is easier to run; Postal needs more configuration.
draw.io is growing faster right now (+734 stars in 30 days).
draw.io details →Postal details →
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