Jutoh for Debian and Ubuntu (64-bit) can create eBooks in popular formats that you can sell on many eBook sites. With Jutoh, you can create your project in seconds from existing files using the New Project Wizard, or you can create your book from scratch using the built-in styled text editor. Select a book cover design from its templates, or create your own with the built-in cover designer. Jutoh lets you start creating your eBooks quickly, but have plenty of features and configuration for more advanced use, including support for contents, index, and end notes pages.
Full Specifications
What's new in version 1.67
Version 1.67 has added "Import Asian fonts" option to Preferences or Import, "Namespaces" configuration option, and ixed a bug that caused open-to-spread to be output to the iBooks XML file.