Calibre是一个“一站式”的电子书解决方案，它可以全面满足你的电子书需求。Calibre是免费的，源代码开放，拥有跨平台的设计，可在Linux， OS X和Windows操作系统中运行。它是一个完整的电子图书馆，包括图书馆管理，格式转换，新闻，将材料转换为电子书，以及电子书阅读器同步功能、整合进电子图书阅读器。
Calibre是电子书管理软件，支持Amazon、Apple、Bookeen、Ectaco、Endless Ideas、Google/HTC、Hanlin Song设备及格式，功能十分强大。Calibre支持EPUB MOBI AZW3 FB2 HTMLZ LIT LRF PDB PDF PMLZ RB RTF SNB TCR TXT TXTZ ZIP等格式的电子书阅读、格式转换和编辑，比如equb转mobi，equb转txt等等。它可以全面满足你的电子书需求。
Add support for sideloading of KFX files created with the third-party KFX calibre plugin
Edit book: Allow drag and drop of image files, stylesheets and html files into the editor to insert the appropriate <img> and <link> tags and add the files to the book automatically.
Kobo driver: Add support for updated firmware
Edit Book: Spell Check: If there are no suggestions fill the suggested word box with the original word.
Viewer: add a shortcut (Ctrl+F11) to show/hide toolbars.
PDF Output: Fix courier font not being rendered when converting on windows.
E-mail delivery: Add a Message-ID header when sending emails. Reduces probability of mails sent from calibre being marked as spam
Save to disk: Fix path shortening being applied to entire save template even when saving to singe directory.
Get Books: Update the Virualo and Publi store plugins for website changes
Viewer: Fix regression that caused slow opening of some books with missing font/css/image files
Viewer: Pressing Ctrl+F in fullscreen mode should show the controls.
Edit book: Do not allow creating multiple new files whose names differ only by case.
Viewer: Use heuristics to try to detect comics encoded as fixed layout EPUBs to ensure they are displayed as intended.
New news sources:
Various new and improved Belgian news sources by erkfuizfeuadjfjzefzfuzeff
Improved news sources:
The Financial Times
Windows: Make recently opened books show up in the jump lists for the standalone viewer and editor programs
OS X/Linux: Show an informational popup message when an Android device is plugged in that needs the user to tap Allow for the connection to work.
Conversion: Log options that are different from the defaults separately, for easy reference
Conversion: Fix regression that broke conversion of some epub files when using the ‘Remove first image’ option.
Closes tickets: 1660699Get Books: Update Kobo plugin for website changes
Windows MTP driver: Fix error when enumerating device storage not being reported during debug device detection
Tag Browser: When dragging and dropping a book onto a series increment the series number.
Closes tickets: 1661588
Fix crash when generating covers with Qt 5.8 on linux
Fix Get Books result list and jobs list not being populated on Qt 5.8
Fix importing rules in the coloring/icon rules dialog not enabling the apply button
Improved news sources
Wall Street Journal
The Straits Times
Happy Holidays everyone!
Add support for new Kobo firmware version 4.2
Allow using amazon_in, amazon_au, amazon_com identifiers in the Book details panel.
Version 2.75.1 has fixes for a regression in 2.75.0 that broke the Live CSS feature in the editor and caused some minor problems in the viewer
Kobo driver: Fix incorrectly sized covers being sent to some Kobo devices
Edit Book: Fix the ‘Search ignoring markup tool’ not ignoring comments/processing instructions, etc.
CSS Transforms: Fix ‘is’/’is not’ rules not matching currentColor.
E-book viewer: Make the swipe up gesture move to next section instead of previous section.
Edit Book: Allow the Spell Check dialog and the search panel to be made much narrower than before.
Edit Book: Fix customize template window not freely resizable on windows.
Edit Book: Fix newlines not being matched by the ‘Search ignoring markup’ tool.
EPUB Input: Fix incorrect handling of html files that are in a folder above the OPF file.
Improved news sources
Die Zeit (subscription)
calibre’s tenth birthday edition!
calibre was first released (as libprs500) ten years ago today. A big thank you to the entire calibre community — users, contributors and developers — for keeping it humming for so long.
A new set of icons for calibre
To celebrate calibre turning ten, calibre now has a brand new set of icons designed from scratch. Note that you can choose between many different icon sets for calibre, including the original icons, from Preferences->Look & Feel->Choose icon theme
A short video commemorating the occasion: https://youtu.be/Q95NfFKc0v8
Book details panel: Add a copy all action to the right click menu.
Get Books: Update ebookpoint and woblink store plugins for website changes
Edit Book: When un-marking text auto-change the ‘search where’ location to what it was before text was marked rather than ‘current file’.
Automatic adding: Show an error if the user specifies a folder whose name starts with a dot or underscore.
OS X: Fix a regression that caused incorrect display of the icon in pop-up message boxes when using a Retina display.
Kobo driver: Fix an error when migrating very old settings
Kobo driver: Fix a regression that broke handling of reading status for devices running old 1.9x versions of the Kobo firmware
Edit Book: When using the arrange into folders tool do not change the case of already existing folders in the book.
Improved news sources:
MIT Technology Review
for Windows x86: http://calibre-ebook.com/dist/win32
for Windows x64: http://calibre-ebook.com/dist/win64
for Mac: http://calibre-ebook.com/dist/osx
for Linux: http://www.calibre-ebook.com/download_linux
for Portable: http://calibre-ebook.com/dist/portable