Readest
readest.comA free, open-source EPUB and PDF reader for deep, immersive reading.
Get Readest
When there is no Internet. There is Kiwix.
FBReader
fbreader.orgFast, customisable Mac ebook reader for ePub, fb2, mobi, RTF and plain text
MarginNote
marginnote.comConnect what you read, write your thinking, and come back to review it.
A private reading tracker for your bookshelf and TBR list, synced across Apple…
FreeReading & ebooks
Conquerrsvp
commanigy.comRead faster with RSVP: words at one focal point, at your own speed.