# Sigil (open-source education and reference app)

> Sigil is a free, open-source education and reference app for Windows, macOS and Linux. Sigil is a multi-platform EPUB ebook editor. It has 6,982 GitHub stars and is released under the GPL-3.0 license. Its source code is on GitHub at Sigil-Ebook/Sigil.

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).

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/Sigil-Ebook/Sigil |
| Platforms | Linux, macOS, Windows |
| Interface | desktop GUI |
| GitHub stars | 6,982 |
| License | GPL-3.0 (open source) |
| Replaces | n/a |
| Language | C++ |
| Website | none listed |
| Official | no |
| Category | Education, flashcards & reference |
| Latest release | 2.8.1 (Jul 18, 2026) |
| Last commit | Oct 7, 2026 |

## Install

### winget (Windows)

```sh
winget install Sigil-Ebook.Sigil
```

Package page: https://winstall.app/apps/Sigil-Ebook.Sigil

### Chocolatey (Windows)

```sh
choco install sigil
```

Package page: https://community.chocolatey.org/packages/sigil

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Canonical page: https://appsgit.com/desktop-apps/sigil
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