Calibre is a free and open source e-book library management application developed by users of e-books for users of e-books. Windows, Windows x64, OS X, Linux and portable versions of the program exist. There is a mobileread sub-forum dedicated to Calibre (see sources).
This list is partial. Refer to the user manual for all shortcuts. Feel free to complete this list and delete those two sentences.
Edit the metadata of the currently selected field in the book list
Add Formats to the selected books
Remove selected Books
Edit metadata of selected books
Show book details
Edit Table of Contents
Merge selected records
Merge selected records, keeping originals
Open containing folder
Convert selected Books
Send to device
Save to Disk
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