About
Calibre is a free, open-source e-book manager that provides comprehensive e-book management, conversion, and syncing capabilities across multiple devices.
Pricing
Pricing Type
Open Source
Free tier available
Billing
One-time payment
Last checked: February 17, 2026
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Key Facts
Categories
Platforms
Windows
Mac
Linux
Company
Kovid Goyal
Founded
Founded in 2006
Country
Global
Language
English