+ Calibre ebook editor can be used to edit e-books in mobi + and e-pub formats. +
++ Calibre ebook viewer can be used to read e-books in many + formats, including e-pub, MOBI, PDF, HTML, djvu, plain text, + and popular office formats. +
+ ++ This is the viewer launched by calibre. +
++ Calibre is used to manage a collections of e-books in many popular + formats. Books may be viewed, or converted between e-pub, MOBI, + and similar formats. Searching by author, title, other metadata, + and user defined characteristics is possible. +
+ ++ This is one of the most versatile and feature-full e-book viewers. +
++ Calibre LRF viewer can be used to read e-books in SONY + e-book format (LRF). +
+ ++ This viewer is launched by calibre for LRF e-books. +
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