awesome-repositories.com
Blog
MCP
awesome-repositories.com

Discover the best open-source repositories with AI-powered search.

ExploreCurated searchesOpen-source alternativesSelf-hosted softwareBlogSitemap
ProjectMCP serverAboutHow we rankPress
LegalPrivacyTerms
© 2026 Bringes Technology SRL·VAT RO45896025·hello@awesome-repositories.com
·
Sigil-Ebook avatar

Sigil-Ebook/Sigil

0
View on GitHub↗
6,842 stars·619 forks·C++·GPL-3.0·13 views

Sigil

Sigil is a multi-platform ebook authoring suite and EPUB editor designed for creating, modifying, and structuring electronic publications. It serves as a digital publication tool for managing metadata and generating tables of contents for digital books.

The software functions as an EPUB validator, checking ebook files for syntax errors and compliance with industry standards to ensure valid rendering. It also supports an extensible workspace where custom automation scripts can be used to add specialized capabilities.

The suite covers digital content structuring and publication editing, providing tools to analyze publication structure, inspect content rendering, and manage embedded internal information.

Features

  • Content Authoring and Editing - Provides a comprehensive desktop interface to create, format, and refine electronic books in standard industry formats.
  • Digital Publication Authoring Tools - Provides a comprehensive suite for managing metadata, generating tables of contents, and structuring digital books.
  • Ebook Metadata Editing - Enables editing of descriptive properties and embedded internal information within digital book files for distribution.
  • Document Content Structuring - Organizes ebook chapters and generates tables of contents based on the internal document hierarchy.
  • Hierarchical Document Models - Treats the ebook structure as a hierarchical collection of XML files to manage content and metadata.
  • Digital Publication Editing - Provides professional tools for modifying the structure, content, and layout of electronic books.
  • Ebook Authoring Workspaces - Provides a cross-platform authoring workspace for writing and formatting electronic publications with custom automation support.
  • EPUB Authoring - Provides a dedicated desktop suite for creating and formatting digital publications in the EPUB standard.
  • EPUB Authoring Tools - Provides a dedicated environment for creating and modifying digital books specifically in the EPUB industry standard.
  • EPUB Editors - Ships a multi-platform desktop application for creating and modifying electronic books using the EPUB standard.
  • Content Metadata Management - Enables the modification of descriptive properties and embedded internal information within digital book files.
  • Publication Manifests - Organizes publication properties and file manifests according to the Open Packaging Format standard.
  • Ebook Format Validation - Checks ebook files for syntax errors and compliance with industry standards to ensure valid output rendering.
  • EPUB Standard Validation - Validates digital book files for syntax errors and industry standard compliance to ensure correct rendering.
  • Content Previewing Tools - Visualizes pages and examines underlying code to verify how content appears to the end user.
  • Web-Based Content Previews - Employs a WebKit browser engine to visualize HTML and CSS content for real-time ebook previewing.
  • Table of Contents - Builds a structured list of chapters and sections based on the internal organization of the document.
  • Publication Structure Analysis - Scans book files and elements to generate detailed summaries of the project's internal contents.
  • EPUB Validation - Includes a validator to check ebook files for syntax errors and compliance with industry standards.
  • Editor Capability Extensions - Allows the use of custom scripts to automate repetitive tasks and add specialized capabilities to the workspace.
  • Plugin-Based Architectures - Provides a plugin system that allows external Python scripts to automate tasks and extend editor functionality.
  • Infrastructure and Virtualization - BitTorrent client for managing file downloads.
  • Ebook Readers - Listed in the “Ebook Readers” section of the Awesome Mac awesome list.
  • E-Book Utilities - Multi-platform editor for creating and modifying digital books.
  • Ebook and Document Management - Multi-platform editor for creating and modifying EPUB files.
  • Electronic Books and PDF - Multi-platform editor for creating and modifying EPUB files.
  • General Tools - EPUB editing software.
  • Office and Document Suites - Dedicated editor for creating and modifying EPUB files.

Star history

Star history chart for sigil-ebook/sigilStar history chart for sigil-ebook/sigil

AI search

Explore more awesome repositories

Describe what you need in plain English — the AI ranks thousands of curated open-source projects by relevance.

Start searching with AI

Frequently asked questions

What does sigil-ebook/sigil do?

Sigil is a multi-platform ebook authoring suite and EPUB editor designed for creating, modifying, and structuring electronic publications. It serves as a digital publication tool for managing metadata and generating tables of contents for digital books.

What are the main features of sigil-ebook/sigil?

The main features of sigil-ebook/sigil are: Content Authoring and Editing, Digital Publication Authoring Tools, Ebook Metadata Editing, Document Content Structuring, Hierarchical Document Models, Digital Publication Editing, Ebook Authoring Workspaces, EPUB Authoring.

What are some open-source alternatives to sigil-ebook/sigil?

Open-source alternatives to sigil-ebook/sigil include: kovidgoyal/calibre — Calibre is a comprehensive suite for digital library management, serving as a centralized hub for organizing,… bookstackapp/bookstack — BookStack is a self-hosted knowledge base platform designed for organizing, storing, and managing structured… ankitects/anki — Anki is a cross-platform flashcard management system designed to optimize long-term memory retention through… koodo-reader/koodo-reader — Koodo Reader is an open-source, cross-platform eBook reader designed for managing and studying digital documents. It… nsgod/ichm — iChm is a CHM reader for Mac OS X. readest/readest — Readest is a comprehensive digital reading platform designed to manage, annotate, and consume electronic books across…

Open-source alternatives to Sigil

Similar open-source projects, ranked by how many features they share with Sigil.
  • kovidgoyal/calibrekovidgoyal avatar

    kovidgoyal/calibre

    24,146View on GitHub↗

    Calibre is a comprehensive suite for digital library management, serving as a centralized hub for organizing, converting, and editing e-book collections. It functions as a multi-purpose platform that combines a relational database for metadata tracking with a powerful processing engine capable of transforming document formats and restructuring internal markup. Beyond local management, the software acts as a content server, enabling users to host their libraries over a network for remote access and reading via standard web browsers. The project distinguishes itself through its deep extensibili

    Pythoncalibreebookebook-formats
    View on GitHub↗24,146
  • bookstackapp/bookstackBookStackApp avatar

    BookStackApp/BookStack

    18,305View on GitHub↗

    BookStack is a self-hosted knowledge base platform designed for organizing, storing, and managing structured documentation. It utilizes a hierarchical content model that arranges information into nested trees of books, chapters, and pages, supported by a dedicated search index for rapid retrieval across the entire knowledge base. The platform distinguishes itself through deep integration with enterprise identity providers, allowing organizations to centralize authentication and access control via LDAP, SAML, or OIDC. It provides extensive administrative control over the content lifecycle, inc

    PHPbookstackdocumentationlaravel
    View on GitHub↗18,305
  • ankitects/ankiankitects avatar

    ankitects/anki

    28,571View on GitHub↗

    Anki is a cross-platform flashcard management system designed to optimize long-term memory retention through spaced-repetition learning. It functions as a digital learning assistant that uses active recall practice and automated scheduling algorithms to determine the ideal timing for card reviews based on individual performance history. The core system relies on a local relational database to ensure data persistence and portability, while supporting complex study workflows through flexible note-type schema modeling and template-driven content rendering. The platform distinguishes itself throu

    Rust
    View on GitHub↗28,571
  • koodo-reader/koodo-readerkoodo-reader avatar

    koodo-reader/koodo-reader

    27,272View on GitHub↗

    Koodo Reader is an open-source, cross-platform eBook reader designed for managing and studying digital documents. It functions as both a standalone desktop application and a self-hosted web environment, allowing users to organize their libraries and read across multiple devices. The application distinguishes itself through integrated study and annotation tools that facilitate personal knowledge management, enabling users to highlight and extract insights from their documents. It supports a consistent reading experience by synchronizing progress and notes across platforms, while also providing

    JavaScriptbookcb7cbr
    View on GitHub↗27,272
  • See all 30 alternatives to Sigil→