compare
calibre vs Kavita
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | calibre | Kavita |
|---|---|---|
| Language | Python | C# |
| Licence | GPL-3.0 | GPL-3.0 |
| Stars | 26k | 12k |
| Latest | v9.15.0 | v0.9.1.4 |
| Last push | 2026-10-06 | 2026-10-05 |
| Release cadence | about 21 days between releases | about 58 days between releases |
| Active contributors | 21+ commit authors on the default branch in the last 90 days | 5 commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Both replace Amazon Kindle. Alternatives to Amazon Kindle →
PartialcalibreThe library for your own DRM-free books, sent to a Kindle by email or USB, not the store.
PartialKavitaThe cloud library and reading progress for your own DRM-free books, synced with KOReader, not the store. Books bought from Amazon stay on Kindle.
Both replace Google Play Books. Alternatives to Google Play Books →
PartialcalibreManages and converts your own ebooks and serves them to browsers and OPDS apps from its content server, with no store.
PartialKavitaThe library and reader for your own ebooks, comics and manga, in the browser and OPDS apps, not the store.
calibre
calibre
✓ signed The latest release, v9.15.0, carries a signature GitHub verified.
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Kavita
✓ signed The latest release, v0.9.1.4, carries a signature GitHub verified.
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