Added more features

Cross-platform compatibility: The platform should be accessible across multiple devices and operating systems, such as desktop computers, laptops, tablets, and smartphones. Users should be able to access their books and reading progress seamlessly across different devices.

User-friendly interface: The platform should have an intuitive and user-friendly interface that allows users to navigate through their library, search for books, and customize their reading settings easily.

Book management: Users should be able to organize their digital library effectively, with features like categorization, tagging, and personalized bookshelves. The platform could also support importing and exporting books in various formats.

Reading customization: Users should have control over their reading experience, such as adjusting font size, background color, line spacing, and font type. Additional features like night mode, bookmarks, annotations, and highlighting can further enhance the reading experience.

Multiple book formats: The platform should support various book formats, including EPUB, PDF, MOBI, and HTML, allowing users to read a wide range of books without compatibility issues.

Online bookstores and libraries integration: Integration with online bookstores or libraries can provide users with a vast collection of books to choose from. This can include features like book recommendations, user reviews, and purchasing options.

Social features: Users should have the ability to share book recommendations, reviews, and highlights with their friends or other users on the platform. Social integration could also include the option to join reading communities or book clubs.

Offline reading: The platform should provide the option to download books for offline reading, allowing users to access their books even when they don't have an internet connection.

Sync and backup: Users' reading progress, bookmarks, and annotations should be automatically synced across devices, ensuring a seamless experience. Additionally, regular backups of user data can be offered to prevent data loss.

Accessibility features: The platform should prioritize accessibility by offering features like text-to-speech functionality for visually impaired users, support for screen readers, and customizable reading settings for users with specific needs.

Developer-friendly: Being an open source platform, it should have an active community of developers who can contribute to the platform's development, fix bugs, and add new features. The platform should also have a well-documented API and support for third-party plugins or extensions.