4 open source eBook readers for Android | Opensource.com
37 Open-source and Free EPUB e-book Viewers and Readers
Librum - Finally a modern E-Book reader : r/opensource
GitHub - BasioMeusPuga/Lector: Qt based ebook reader
Labels · johnfactotum/foliate · GitHub
GitHub - koreader/koreader: An ebook reader application supporting PDF, DjVu, EPUB, FB2 and many more formats, running on Cervantes, Kindle, Kobo, PocketBook and Android devices
Foliate is undoubtedly the best eBook viewer for Linux