# Librum-Reader/Librum

The Librum client application

Repository: https://github.com/Librum-Reader/Librum
Canonical: https://ross.abutalabs.com/products/librum
Homepage: https://librumreader.com
Language: C++
License: GPL-3.0
License Family: copyleft
Topics: cmake, cpp, qml, qt, ebook-reader, ebooks, library-management, reader, linux, qt6
Last push: 2026-04-26T16:57:19+00:00

## Health v2 (maintenance only)
Score: 58/100 (v2, computed 2026-09-02T17:46:02.011165+00:00)
- activity 79, release rhythm 8, longevity 100
- inputs: {"age_days": 1673, "days_push": 129, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: none
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 5312, forks 189 (observed 2026-08-28T04:09:15.444621+00:00)

## What it is
Librum is a free and open-source e-book reader and library management application built with C++, Qt6, and QML. It lets users read e-books, organize a personal online library accessible from any device, and includes features like note-taking, highlighting, AI tools, and reading statistics.

## Use cases
- read ebooks on my linux desktop
- manage a personal online book library synced across devices
- take notes and highlight passages while reading
- organize books into collections with tags and sorting
- use AI to summarize or explain text in a book
- track my reading statistics
- access over 70,000 free books

## When to choose
- you want a modern, customizable e-book reader with cloud library sync
- you need cross-platform reading with note-taking and highlighting
- you want an open-source alternative to proprietary e-book apps
- you want built-in AI assistance and free book access

## When to avoid
- you need a lightweight offline-only reader without cloud accounts
- you require DRM-protected e-book support
- you want a mobile-first reading experience
- you need extensive format support beyond common e-book types

## Facets
- artifact type: application
- maturity: active
- function: gui, file-system, nlp, internationalization
- domain: developer-tools, education, files, cross-platform
- platform: windows, cpp, cross-platform
- tags: ebook-reader, qt6, qml, library-management, note-taking, cloud-sync, reading-statistics, linux, macos

## Member repositories
- Librum-Reader/Librum (main) score 58

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:09:15.444621+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 2026-08-29T17:58:58.569103+00:00, confidence not recorded.
  - readme: https://github.com/Librum-Reader/Librum (fetched 2026-08-28T04:09:15.444621+00:00, sha bf085836a75e)
  - homepage: https://librumreader.com (fetched 2026-08-29T08:53:47.509771+00:00, sha 1026ec7ef0a3)
  - site_page: https://librumreader.com/pricing (fetched 2026-08-29T08:53:47.512440+00:00, sha 3c44b4d4b60c)
- Data as of 2026-08-30T08:39:29.467469+00:00.