Sigil version 2.4.0 represents a mix of bug fixes and new features. Also note that the Microsoft VC++ runtime redistributable is no longer being bundled in the Sigil Windows installer starting wit...
Sigil is a free, open source, multi-platform ebook editor that uses Qt6 (and QtWebEngine). It is designed to edit books in ePub format (both ePub 2 and ePub 3).