Icecream Ebook Reader - Ebook Reader by Icecream Apps allows to read ebooks in several formats (EPUB, MOBI, FB2 and others). Download EPUB Reader for Windows.
CHMPane - CHMPane is a Java program to process compiled html (.chm) files.
calibre - Ebook manager, viewer & converter
Ebook Reader - Ebook Reader-created and published by eBooks.
Okular - Okular is a universal document viewer based developed by KDE.
Bookari Ebook Reader - The best ebook reader platform on the market: user friendly, powerful, fast, with synchronized library, this book reader provides unprecedented flexibility, speed and reading comfort.