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MediaAlternative to JutohAlternative to VellumAlternative to InDesign eBook Export

Sigil

Multi-platform EPUB ebook editor with full WYSIWYG and code-level inspection.

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LicenseGPL-3.0
GitHub stars2.2k
Last commit1 weeks ago
Tags6 topics
QtEbook CreationFlightcrewMediaCppEpub Editor
Overview

Why consider Sigil?

Sigil is a multi-platform open-source EPUB ebook editor. Written in C++ and Qt, it provides full control over EPUB 2 and EPUB 3 files, table of contents generators, spell check, and automated EPUB validation via FlightCrew.

Guided learning

Learn Sigil by building

Practical setup notes, real use cases, and copy-ready examples in one focused guide.

1 min read 2 sections
In this guide2 sections

Overview of Sigil

Sigil allows self-published authors and typographers to fine-tune CSS stylesheets, SVG graphics, and metadata inside EPUB packages.

Installation

bash
1# Windows via Winget
2winget install Sigil-Ebook.Sigil

Sigil is licensed under the GNU General Public License v3.0 (GPL-3.0).

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Sigil FAQs

Sigil is listed as a Media tool on TiloBox. Review the overview, features, and official documentation on this page to decide whether it solves your specific workflow.

Start with the project's GitHub repository and official website for supported installation and deployment instructions. Test the setup with representative data or a small project before rolling it out more widely.

Sigil is listed under the GPL-3.0 license. Read the complete license text and the project's notices before using, modifying, or distributing the software.

Production readiness depends on your requirements. Review maintenance activity, security practices, documentation, backup and upgrade procedures, and compatibility with your stack; then validate it in a non-production environment.

Sigil is listed as an alternative to Jutoh. Compare the core workflow, deployment model, integrations, and licensing against your must-have requirements before switching.