Calibre Web AutomatedvsUmlautAdaptarr
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| Calibre Web Automated | UmlautAdaptarr | |
|---|---|---|
| Score | 73/100 | 40/100 |
| Rank in category | #2 of 19 in Ebook Management | #120 of 142 in Media Management |
| GitHub stars | 6 503 | 309 |
| Stars, last 30 days | +171 | — |
| Stable releases, 12 months | 9 | 3 |
| Latest release | v4.0.8 · 28 Sept 2026 | v0.7.6 · 5 Aug 2026 |
| Setup | Moderate | Moderate |
| Official Docker image | Yes | Yes |
| License | GPL-3.0 | — |
| Main language | JavaScript | C |
Which one should you pick?
Calibre Web Automated scores 73/100 against 40/100 for UmlautAdaptarr, so it is the safer default.
Calibre Web Automated ships more often: 9 stable releases in the past year, against 3 for UmlautAdaptarr.
Calibre Web Automated is growing faster right now (+171 stars in 30 days).
Calibre Web Automated details →UmlautAdaptarr details →
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