The famous Calibr appe, which is available for various operating systems, including GNU / Linux, is one of the best known and with the most functionalities among those that exist for managing ebooks. Not only does it allow you to have access to your ebooks, in whatever format they are. It also allows you to manage and convert them between formats, among many other options. It supports numerous formats, including the most popular PDF and EPUB. The truth is that I use it a lot to transform between formats, either one by one or in batches of books.
Some performance improvement is needed, certainly, although well, now with the arrival of this new version Caliber 3.4 that it has some improvements, I will have to evaluate if it has changed in something about it. As you know, among the functionalities there was also the possibility of being able to import and export freely from the most important ebook readers on the market. With the arrival of the new stable version of this open source app, it is intended to improve some of the issues that had to be polished in previous versions.
Since version 3.3 of Caliber the interface has been improved as the developers have said. In addition, some bugs that occurred frequently have been corrected. As if that were not enough, the developers have also taken care of other details and functionalities, such as adding a new export method books to your team. In the editor there is now a new function to select files to export and allows in a simple way to navigate and select everything we want to add.
Other improvements also go through the inclusion of improvements regarding languages, etc. The bugs fixed and improvements in the code will make the program work a little better with this new release. Some users reported some problems since the last release and that is what has been worked on so that they were not present in the current version ...