calibre is a free and open source e-book library management application developed by users of e-books for users of e-books.

New Features
Launch worker processes on demand instead of keeping a pool of them in memory. Reduces memory footprint.
Use the visual formatting of the Table of Contents to try to automatically create a multi-level TOC when converting/viewing MOBI files.
Closes tickets: 763681 [External link]
Add a new function booksize() to the template language to get the value of the size column in calibre.
Add support for using metadata plugboards with the content server (only with the epub format)
Change default algorithm for automatically computing author sort to be more intelligent and handle the case when the author name has a comma in it
Show cover size in the tooltips of the book details panel and book details popup window

Bug Fixes
Dragging and dropping a cover onto the book details panel did not change the cover size
Closes tickets: 768332 [External link]
Fix non-escaped '|' when searching for commas in authors using REGEXP_MATCH
Fix ratings in templates being multiplied by 2
Fix adding a comma to custom series values when using completion.
Closes tickets: 763788 [External link]
CHM Input: Another workaround for a Microsoft mess.
Closes tickets: 763336 [External link]
Fix job count in the spinner not always being updated when a job completes
Changing case only of a title does not update title sort
Closes tickets: 768904 [External link]

New news sources
BabyOnline.ro by Silviu Cotoara
The Journal.ie by Phil Burns
Der Spiegel by Nikolas Mangold

Improved news sources
ecuisine.ro, egirl.ro and tabu.ro
Daily Telegraph
Handelsblatt
Il Sole 24 Ore
Newsweek
Arcamax

Program Information Category: Tools and Utilities Type: Free Version: 0.7.57 Size: 39.6MB Works on: Windows Product page: here