# everydaythingssoftware/citadel

Manage your ebook library without frustrations. Calibre compatible.

Repository: https://github.com/everydaythingssoftware/citadel
Canonical: https://ross.abutalabs.com/products/citadel
Homepage: https://citadel.page
Language: Rust
License: MIT
License Family: permissive
Topics: calibre, ebook, ebook-collection, ebook-manager, epub
Last push: 2026-08-07T08:15:23+00:00

## Health v2 (maintenance only)
Score: 88/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 96, release rhythm 90, longevity 69
- inputs: {"age_days": 968, "days_push": 26, "days_rel": 66, "gap_med": 16, "n_releases_24m": 6}
- flags: none
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1275, forks 20 (observed 2026-08-28T04:04:12.914578+00:00)

## What it is
Citadel is a fast, minimalist desktop app for managing ebook libraries that is fully backwards compatible with Calibre. It handles metadata, covers, shelves, and search while opening books in your existing reader apps.

## Use cases
- manage my calibre ebook library with a faster app
- organize epub and mobi files by author and title
- edit ebook metadata and fetch covers from open library
- replace calibre without reimporting my existing library
- create smart shelves for unread books and series
- keep using calibre-web with an edited library

## When to choose
- you have an existing Calibre library and want a faster, cleaner manager
- you want metadata editing and library organization, not reading or content editing
- you're on macOS or Linux and value native-feeling UX

## When to avoid
- you need an ebook reader or content editor built in
- you rely on Calibre plugins or advanced Calibre features
- you're on Windows, which has no builds yet

## Facets
- artifact type: application
- maturity: active
- function: gui, file-system, search-engine
- domain: files, developer-tools, desktop-applications, cross-platform
- platform: rust
- tags: ebook-manager, calibre-compatible, epub, library-management, tauri, metadata, macos, linux, desktop

## Member repositories
- everydaythingssoftware/citadel (main) score 88

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:04:12.914578+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T05:03:01.381823+00:00, confidence not recorded.
  - readme: https://github.com/everydaythingssoftware/citadel (fetched 2026-08-28T04:04:12.914578+00:00, sha 9c335778459a)
  - homepage: https://citadel.page (fetched 2026-08-29T12:14:01.849704+00:00, sha 82f3255da28a)
- Data as of 2026-08-30T08:39:29.467469+00:00.