: One of the oldest and largest digital libraries. It offers a mix of free classic literature and modern titles for purchase, supporting various formats and even audiobooks. 2. Free and Public Domain Libraries

: A well-known global repository that includes a dedicated section for Russian-language works that have entered the public domain.

: Widely considered the "Russian Amazon" for e-books. It is the largest service in Russia for both purchasing and downloading e-books in multiple formats like EPUB, PDF, and MOBI.