Calibre is a powerful and easy to use e-book manager
Magbasa sa Thorium
Thorium Reader is an easy to use EPUB reading application.
Sigil
Sigil is a multi-platform EPUB ebook editor .
MComix3
Ang MComix usa ka user-friendly, customizable image viewer. Kini espesipikong gidesinyo sa pagdumala sa mga libro sa komiks (parehong Western komiks ug manga) ug nagsuporta sa lain-laing mga format sa sudlanan (lakip ang CBR, CBZ, CB7, CBT, LHA ug PDF). Ang MComix usa ka tinidor sa Comix.
CoolReader
Cross platform open source e-book reader.
Foliate
A simple and modern eBook viewer
Bookworm
Read the books you love without having to worry about different format complexities like epub, pdf, mobi, cbr, etc.