CalibrevsUnregistry
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| Calibre | Unregistry | |
|---|---|---|
| Score | 83/100 | 63/100 |
| Rank in category | #1 of 19 in Ebook Management | #4 of 12 in Container Registry |
| GitHub stars | 26 270 | 4 888 |
| Stars, last 30 days | +261 | +21 |
| Stable releases, 12 months | 18 | 4 |
| Latest release | v9.17.0 · 23 Oct 2026 | v0.4.3 · 12 Jun 2026 |
| Setup | Easy | Easy |
| Official Docker image | No | Yes |
| License | GPL-3.0 | Apache-2.0 |
| Main language | Python | Go |
Which one should you pick?
Calibre scores 83/100 against 63/100 for Unregistry, so it is the safer default.
Calibre ships more often: 18 stable releases in the past year, against 4 for Unregistry.
Calibre is growing faster right now (+261 stars in 30 days).
Calibre details →Unregistry details →
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