Top Alternatives to Project Gutenberg

Amazon Kindle offers a comprehensive ecosystem for reading digital books, providing dedicated e-readers and cross-platform apps. It allows users to purchase, download, and read a vast selection of ebooks, newspapers, and magazines, synced across various devices for seamless access.

Google Play Books is a comprehensive digital library and ereader offered by Google. It provides access to a vast collection of ebooks and audiobooks for purchase or free download, allowing users to read and listen seamlessly across multiple devices with offline capabilities.

Apple Books (formerly iBooks) is Apple's native e-book and audiobook application for iOS and macOS devices, providing a seamless reading and listening experience with robust library management and sync features.

Internet Archive is a non-profit digital library offering free access to millions of digitized materials including websites, books, audio, video, and software. Preserve and explore historical and contemporary content.

Scribd is a comprehensive digital library offering a vast collection of ebooks, audiobooks, podcasts, magazines, and sheet music, all available through a single subscription. It provides diverse content for various interests and learning needs.

Issuu is a digital publishing platform that transforms static PDFs into interactive online publications with features like embeds, social sharing, and analytics for creators and businesses.

Yumpu is a digital publishing platform that transforms PDFs into engaging flipbooks, enabling easy online distribution and enhanced reader interaction. It's ideal for creating and sharing magazines, catalogs, and brochures.