The complete control over directly editing EPUB syntax in Code View and Table of Contents generator with multi-level heading support and metadata editor.
The user interface translated into many languages and spell checking and many plugins available.
These command will show you how can search and install this software:
[root@desk mythcat]# dnf search Sigil
Last metadata expiration check: 0:54:58 ago on Wed 16 Dec 2020 11:01:54 PM EET.
======================== Name & Summary Matched: Sigil =========================
FlightCrew-sigil-plugin.x86_64 : Sigil FlightCrew epub validator plugin
sigil-doc.noarch : Documentation for Sigil ebook editor
============================= Name Matched: Sigil ==============================
sigil.x86_64 : WYSIWYG ebook editor
[root@desk mythcat]# dnf install sigil.x86_64
Last metadata expiration check: 0:55:32 ago on Wed 16 Dec 2020 11:01:54 PM EET.
Dependencies resolved.
================================================================================
Package Arch Version Repository Size
================================================================================
Installing:
sigil x86_64 0.9.14-7.fc33 fedora 3.5 M
Installing dependencies:
minizip x86_64 2.10.2-1.fc33 updates 112 k
python3-cssselect noarch 0.9.2-16.fc33 fedora 38 k
python3-cssutils noarch 1.0.2-9.fc33 fedora 270 k
python3-regex x86_64 2020.11.13-1.fc33 updates 345 k
zipios++ x86_64 0.1.5.9-25.fc33 fedora 78 k
Installing weak dependencies:
FlightCrew-sigil-plugin x86_64 0.9.1-21.fc33 fedora 336 k
Transaction Summary
================================================================================
Install 7 Packages
Total download size: 4.7 M
Installed size: 20 M
Is this ok [y/N]: y
...
Running scriptlet: sigil-0.9.14-7.fc33.x86_64 7/7
Verifying : minizip-2.10.2-1.fc33.x86_64 1/7
Verifying : python3-regex-2020.11.13-1.fc33.x86_64 2/7
Verifying : FlightCrew-sigil-plugin-0.9.1-21.fc33.x86_64 3/7
Verifying : python3-cssselect-0.9.2-16.fc33.noarch 4/7
Verifying : python3-cssutils-1.0.2-9.fc33.noarch 5/7
Verifying : sigil-0.9.14-7.fc33.x86_64 6/7
Verifying : zipios++-0.1.5.9-25.fc33.x86_64 7/7
Installed:
FlightCrew-sigil-plugin-0.9.1-21.fc33.x86_64
minizip-2.10.2-1.fc33.x86_64
python3-cssselect-0.9.2-16.fc33.noarch
python3-cssutils-1.0.2-9.fc33.noarch
python3-regex-2020.11.13-1.fc33.x86_64
sigil-0.9.14-7.fc33.x86_64
zipios++-0.1.5.9-25.fc33.x86_64
Complete!