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
GitHub - lellid/LediReader: Epub reader with speech synthesis and dictionaries for Windows
GitHub - JideGuru/epub_viewer: An epub reader for Flutter. Wrapped around Folioreader.(WIP)
GitHub - troyeguo/koodo-reader: A modern ebook manager and reader with sync and backup capacities for Windows, macOS, Linux and Web