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calibre vs Calibre-Web Automated

The same facts for both, read from GitHub every night, and the relation a person reviewed.

calibreCalibre-Web Automated
LanguagePythonJavaScript
LicenceGPL-3.0GPL-3.0
Stars26k6.4k
Latestv9.15.0v4.0.8
Last push2026-10-062026-10-01
Release cadenceabout 21 days between releasesabout 2 days between releases
Active contributors21+ commit authors on the default branch in the last 90 days27 commit authors on the default branch in the last 90 days
Flagsnonenone

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.

    PartialCalibre-Web AutomatedThe cloud library and reading progress for your own DRM-free books, synced to Kobo and KOReader or sent to a Kindle, not the store.

  • 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.

    PartialCalibre-Web AutomatedImports, converts and serves your own ebooks to the browser and OPDS apps, with no store.