# foobnix/LibreraReader

Book Reader for Android

Repository: https://github.com/foobnix/LibreraReader
Canonical: https://ross.abutalabs.com/products/librerareader
Homepage: http://librera.mobi
Language: Java
License: NOASSERTION
License Family: other
Last push: 2026-08-25T21:09:30+00:00

## Health v2 (maintenance only)
Score: 97/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 99, release rhythm 94, longevity 100
- inputs: {"age_days": 3429, "days_push": 8, "days_rel": 43, "gap_med": 5, "n_releases_24m": 20}
- flags: no_license
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 4740, forks 439 (observed 2026-08-28T04:08:57.770045+00:00)

## What it is
Librera Reader is a highly customizable e-book reader application for Android supporting PDF, EPUB, MOBI, DjVu, FB2, CBZ/CBR and many other formats. It includes features like TTS reading, bookmarks, annotations, cloud sync, OPDS catalogs, and a unique hands-free Musician's mode.

## Use cases
- read epub and pdf books on android
- listen to books with text-to-speech
- read comic book archives cbz cbr
- sync reading progress across devices
- access opds online book catalogs
- read sheet music with auto-scrolling musician mode
- annotate and draw on pdf files
- convert pdf to epub

## When to choose
- you need a free, feature-rich ebook reader on Android
- you want support for many formats including DjVu and FB2
- you need TTS, dictionaries, or OPDS support
- you want a customizable reader with day/night modes and profiles

## When to avoid
- you need an iOS or desktop ebook reader
- you require actively developed new features (development is frozen)
- you need a strict copyleft license (license is non-standard)

## Facets
- artifact type: application
- maturity: maintenance
- function: pdf-viewer, tts, speech-recognition
- domain: developer-tools, education, mobile-development
- platform: -
- tags: ebook-reader, pdf, epub, mupdf, opds, tts, musician-mode, java, android

## Member repositories
- foobnix/LibreraReader (main) score 97

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:08:57.770045+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 2026-08-29T18:18:57.787653+00:00, confidence not recorded.
  - readme: https://github.com/foobnix/LibreraReader (fetched 2026-08-28T04:08:57.770045+00:00, sha bee82586e4c1)
  - homepage: http://librera.mobi (fetched 2026-08-29T09:02:29.529201+00:00, sha bc95af9a8587)
  - site_page: https://librera.mobi/faq (fetched 2026-08-29T09:02:29.532319+00:00, sha 0174ace7c110)
- Data as of 2026-08-30T08:39:29.467469+00:00.