# koodo-reader/koodo-reader

A modern ebook manager and reader with sync and backup capacities for Windows, macOS, Linux, Android, iOS and Web

Repository: https://github.com/koodo-reader/koodo-reader
Canonical: https://ross.abutalabs.com/products/koodo-reader
Homepage: https://koodoreader.com
Language: JavaScript
License: AGPL-3.0
License Family: copyleft
Topics: epub, reader, txt, mobi, pdf, ebook, markdown, fb2, cbz, cbt, cbr, docx, rtf, comic, html, xml, book, cb7
Last push: 2026-08-26T01:06:47+00:00

## Health v2 (maintenance only)
Score: 94/100 (v2, computed 2026-09-03T02:39:23.370411+00:00)
- activity 99, release rhythm 83, longevity 100
- inputs: {"age_days": 2373, "days_push": 8, "days_rel": 32, "gap_med": 7.0, "n_releases_24m": 67}
- flags: none
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 27983, forks 2086 (observed 2026-08-28T04:11:48.031586+00:00)

## What it is
Koodo Reader is a cross-platform ebook manager and reader supporting EPUB, PDF, Kindle, comic archives, and many other formats. It offers cloud sync/backup, notes and highlights, AI features, OCR, text-to-speech, and a plugin system across Windows, macOS, Linux, Android, iOS, and Web.

## Use cases
- read epub books on desktop and mobile
- manage a personal ebook library with cloud backup
- read cbr and cbz comic archives
- sync reading progress across devices
- export highlights and notes to obsidian or readwise
- convert scanned book pages to text with ocr
- listen to books with text-to-speech
- host my library as an opds feed

## When to choose
- you need one reader across Windows, macOS, Linux, Android, iOS, and Web
- you want DRM-free support for many formats including comics and Kindle files
- you value privacy-first design with no tracking
- you need cloud sync via WebDAV, FTP, or major cloud drives
- you want built-in OCR, TTS, translation, and dictionary features

## When to avoid
- you need to read DRM-protected Kindle or Adobe ebooks
- you only want a lightweight single-format reader
- you require a fully offline app with no JavaScript/Electron-style stack
- you need library management features beyond reading, like cataloging metadata editing

## Facets
- artifact type: application
- maturity: active
- function: pdf-viewer, ocr, tts, file-upload, plugin-system
- domain: developer-tools, education, files, cross-platform
- platform: windows, cross-platform
- tags: ebook-reader, epub, mobi, comic-reader, cloud-sync, opds, note-taking, highlights, privacy-first, macos, linux, android, ios, web-server, desktop, mobile

## Member repositories
- koodo-reader/koodo-reader (main) score 94

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:11:48.031586+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 2026-08-29T16:54:28.902353+00:00, confidence not recorded.
  - readme: https://github.com/koodo-reader/koodo-reader (fetched 2026-08-28T04:11:48.031586+00:00, sha 2569bbefffec)
  - homepage: https://koodoreader.com (fetched 2026-08-29T07:51:32.501368+00:00, sha b55ab6a20c85)
- Data as of 2026-08-30T08:39:29.467469+00:00.