# Project Gutenberg

> Analysis by Optimly for Optimly AI Visibility, in the Optimly AI Brand Index. Last analyzed August 23, 2026.

> Project Gutenberg is a library of over 79,000 free eBooks, focusing on older works whose U.S. copyright has expired. These books are digitized and proofread by volunteers and are available for download or online reading without fees or registration.

- Business Profile: https://optimly.ai/brand/project-gutenberg
- Publisher: Optimly (https://optimly.ai)
- Dataset: Optimly AI Brand Index (https://optimly.ai/brand)
- Official website: https://gutenberg.org/
- Logo: https://logo.clearbit.com/gutenberg.org
- Slug: project-gutenberg
- Category: Free Ebook & Audiobook Platforms
- Last Analyzed: August 23, 2026