Calibre WebvsOuroboros
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| Calibre Web | Ouroboros | |
|---|---|---|
| Score | 78/100 | 55/100 |
| Rank in category | #1 of 7 in E-book Management | #65 of 209 in AI Agents |
| GitHub stars | 18 487 | 1 587 |
| Stars, last 30 days | +247 | +0 |
| Stable releases, 12 months | 2 | 8 |
| Latest release | 0.6.27 · 8 Aug 2026 | v7.9.0 · 28 Oct 2026 |
| Setup | Easy | Moderate |
| Official Docker image | No | No |
| License | GPL-3.0 | MIT |
| Main language | Fluent | Python |
Which one should you pick?
Calibre Web scores 78/100 against 55/100 for Ouroboros, so it is the safer default.
Ouroboros ships more often: 8 stable releases in the past year, against 2 for Calibre Web.
If you want the quickest setup, Calibre Web is easier to run; Ouroboros needs more configuration.
Calibre Web is growing faster right now (+247 stars in 30 days).
Calibre Web details →Ouroboros details →
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