: Supports ePub, PDF, and Kindle formats alongside FB2. A Premium version is available that includes built-in PDF support and text-to-speech features.
Originally an open-source project under the GPL license, FBReader shifted to a proprietary license in 2015. fb2 rider dlia android skachat
: A highly-rated alternative that is free, ad-free, and requires no registration. : Supports ePub, PDF, and Kindle formats alongside FB2