Calibre is a one-stop solution for eBook reading problems, as an almighty and open-source software, there are hundreds of eBook lovers and developers contributing to this software and make it the household name in this area.
But nothing is purely perfect in this world, Calibre also has its drawbacks: The ugly interface and not enough user-friendly.
Calibre Alternative 1. Hamster eBook Converter
In all the eBook format conversion freeware, I think this is the software only second to Calibre. It supports 3 most popular formats: EPUB, PDF, and Mobi, and has integrated over 200 devices into the output options list.
Using this program to convert eBooks is much more easier for a people who is not that familiar with computer skills. The whole process just like a guide, at each single step, the software only lets you do one thing, that will absolutely confused you.
Pros: Gorgeous design, friendly to new users;
Cons: Not support protected books, too many clicks for converting a book, only for windows;
Calibre Alternative 2. Epubor Ultimate Converter
The regular visits to our site won't be strange to this product. Epubor Ultimate Converter is the most successful eBook file format conversion shareware in this industry, it offers the amazing user experience and best customer support.
The Ultimate Converter is even easier-to-use than hamster eBook Converter, the entire conversion process only need 3 clicks in max. What's more, it supports protected eBooks. Which means, you can use this software to handle your purchased Kindle, Nook, Sony, Kobo, Google books.
Pros: Extremely easy to use, support DRM protected books, beautiful interface, for PC & Mac;
Cons: Shareware.Windows Version Download Mac Version Download
Calibre Alternative 3. BookONO
This software is still in Alpha stage, but the author is pretty confidence with it, he says:" The highly popular ebook management software Calibre has a new competitor. BookONO promises a more open approach than Calibre and scores already in the alpha version with additional features such as a built-in browser, but is still recognizable in its infancy."
BookONO actually uses Calibre as its backend, and the author says they might re-write the core codes with C++ to make the conversion faster. However, they are not starting do this until now.
Pros: Better interface than Calibre, free to use;
Cons: Not stable.
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Jonny Greenwood joined Epubor since 2011, loves everything about eBooks and eReaders. He seeks the methods to read eBooks more freely and wants to share all he has got with you.