Sigil is a multi-platform WYSIWYG ebook editor. It is designed to edit books in ePub format. Features: * Free and open source software under GPLv3 * Multi-platform: runs on Windows, Linux and Mac * Full Unicode support: everything you see in Sigil is in UTF-16 * Advanced automatic conversion of all imported documents to Unicode * Full EPUB spec support * WYSIWYG editing * Multiple Views: Book View, Code View and Split View * Metadata editor with full support for all possible metadata entries (more than 200) with full descriptions for each * Multi-level Table Of Contents editor * Book View fully supports the display of any XHTML document possible under the OPS spec * SVG support and basic XPGT support * Currently imports TXT, HTML and EPUB files * Currently exports EPUB and SGF (Sigil native format) * Embedded HTML Tidy; all imported documents are thoroughly cleaned; changing views cleans the document so no matter how much you screw up your code, it will fix it (usually ) * An actually usable user interface