sigil
WYSIWYG Ebook Editor
Sigil is an editor for the EPUB format. It is designed for WYSIWYG editing of EPUB files and for converting other formats to EPUB. It also provides support for direct XHTML, CSS and XPGT editing. You can use it to add any of the metadata entries supported by the EPUB specification and create a hierarchical Table of Contents.
There is no official package available for openSUSE Leap 15.5Distributions
openSUSE Tumbleweed
openSUSE Leap 15.5
openSUSE Leap 15.4
SUSE SLE-15-SP1
Debian 12
Debian 11
Unsupported distributions
The following distributions are not officially supported. Use these packages at your own risk.