Software / eBook Tools

calibre

Created by Kovid Goyal

Organize, read, edit, convert, and share e-books with a free cross-platform library manager and content server.

FreeWindows, macOS, Linuxx64 and supported platform buildsOpen source
Screenshots
calibre ebook library manager
calibre library view with books, formats, and metadata.Wikimedia Commons media and license details
calibre library on Windows 11
calibre desktop library running on Windows 11.Wikimedia Commons media and license details
Demo
About

About calibre

calibre is a free, open-source e-book management suite created by Kovid Goyal. It organizes libraries with rich metadata and covers, converts between many e-book formats, sends books to supported devices, and includes viewers and editing tools.

Its content server can make a personal library available through a browser, while news recipes, metadata downloads, device drivers, command-line utilities, and plug-ins support more specialized workflows. Official builds are available for Windows, macOS, and Linux.

The project publishes frequent releases and signatures through its official site. NeonRoof records the current version and official source but does not mirror a binary before its exact package has been reviewed.

Independent catalog listing. NeonRoof is not affiliated with or endorsed by Kovid Goyal or the project's maintainers. The official project, creator, copyright holder, and license remain clearly credited. This catalog page may be published before a downloadable package is approved; no NeonRoof download is enabled until an administrator verifies the exact package, SHA-256 hash, malware scan, distribution rights, and applicable notices.

Rights review recorded September 8, 2026. Copyright: Kovid Goyal and calibre contributors. Redistribution: Follow GPLv3 and preserve licenses for included third-party components. Review the exact installer and signature before mirroring. Attribution: Credit calibre and Kovid Goyal and retain the GPL and component notices. Source obligations: Provide corresponding source for the exact GPL-covered binary distributed. Branding: The listing uses neutral NeonRoof artwork and does not imply endorsement by the calibre project.

Features

What it does

  • E-book library and metadata management
  • Format conversion
  • Built-in reader and e-book editor
  • Device transfer support
  • Browser-based content server
  • News recipes
  • plugins
  • and command-line tools
Current release

Version 9.14

calibre 9.14 is the current release documented in the official calibre changelog.

Released
August 28, 2026
Package
MSI
Signature
Not checked
Security scan
Pending
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