Observed arrival · 2026-10-11

Magnitide: an ebook manager built around your Calibre library

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Editorial interest 73/100 Selection signal · not a rating of the site

Magnitide is a desktop ebook library manager for macOS, Windows, and Linux that works with an existing Calibre library.

Landing page captured for the 2026-10-11 issue.

For: Calibre users managing large ebook libraries
Worth noticing: The homepage says it is built to stay quick with 50,000 books or more; the project is marked as in active development.

Field notes

The homepage says Magnitide opens an existing Calibre library read-only, allowing Calibre to remain in use alongside it. It describes a native Rust core and Tauri desktop app, lists Kobo and Kindle support, an OPDS server, sandboxed WebAssembly plugins, and Calibre plugins, and says it is designed to stay quick with 50,000 books or more. A roadmap is linked; the visible theme selector includes light, dark, sepia, and several named palettes.

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