HarakavsWren AI OSS
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| Haraka | Wren AI OSS | |
|---|---|---|
| Score | 67/100 | 73/100 |
| Rank in category | #6 of 16 in Mail Server | #4 of 15 in Business Intelligence |
| GitHub stars | 5 627 | 18 003 |
| Stars, last 30 days | +10 | +258 |
| Stable releases, 12 months | 13 | 56 |
| Latest release | v3.3.5 · 17 Oct 2026 | wren-v0.17.0 · 27 Oct 2026 |
| Setup | Moderate | Easy |
| Official Docker image | No | No |
| License | MIT | Other |
| Main language | JavaScript | Python |
Which one should you pick?
Wren AI OSS scores 73/100 against 67/100 for Haraka, so it is the safer default.
Wren AI OSS ships more often: 56 stable releases in the past year, against 13 for Haraka.
If you want the quickest setup, Wren AI OSS is easier to run; Haraka needs more configuration.
Wren AI OSS is growing faster right now (+258 stars in 30 days).
Haraka details →Wren AI OSS details →
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