name: Calibre
website_url: https://calibre-ebook.com/
description: E-book library manager that can view, convert, and catalog e-books in most of the major e-book formats and provides a built-in Web server for remote clients.
licenses:
  - GPL-3.0
platforms:
  - Python
  - deb
tags:
  - Document Management - E-books
source_code_url: https://github.com/kovidgoyal/calibre
demo_url: https://calibre-ebook.com/demo
stargazers_count: 24325
updated_at: '2026-03-10'
archived: false
current_release:
  tag: v9.4.0
  published_at: '2026-02-27'
commit_history:
  2025-04: 190
  2025-05: 93
  2025-06: 84
  2025-07: 182
  2025-08: 103
  2025-09: 266
  2025-10: 112
  2025-11: 117
  2025-12: 291
  2026-01: 406
  2026-02: 151
  2026-03: 29