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calibre Portable

ebook manager and viewer

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Version 5.42.0 for Windows, Multilingual
101MB download / 307MB installed
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calibre Portable can run from a cloud folder, external drive, or local folder without installing into Windows. It's even better with the Platform for easy installs and automatic updates.

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calibre is a powerful and easy to use e-book manager. It’ll allow you to do nearly everything and it takes things a step beyond normal e-book software. It supports conversions from nearly all ebook formats and has specific support for numerous ebook devices.

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Open Source Initiative