Calibre

Overview

Calibre is an open‑source e‑book library manager that lets you organize, view, edit, convert, and transfer e‑books across different formats and devices. It supports comprehensive metadata editing, customizable collections, format conversion, device syncing, content server for remote access, and a built‑in e‑book reader. It works on Windows, macOS, and Linux with frequent updates from the community.

Key features

• Library management
• Format conversion
• Metadata editor
• Device syncing
• Built‑in reader
• Content server
• Plugin support
• Batch processing
• Cross‑platform
• Open‑source