calibre
Open Source
Calibre is an Ebook management software.
FBReader
Open Source
FBReader is a free ebook reader. Main ebook formats: ePub (including main features of ePub3), Kindle azw3 (mobipocket), fb2(.zip).
EPUBReader
Free
EPUB is an e-book file format with the extension .epub that can be downloaded and read on devices like smartphones, tablets, computers, or e-readers.
AlReader
Free
AlReader is a mobile reader app.
NOOK
Free
NOOK is an ebook reading software.
Amazon Kindle
Free
Amazon Kindle is a series of e-readers designed and marketed by Amazon.com.
Cool Reader
Open Source
Cool Reader is a configurable eBook viewer.
Adobe Digital Editions
Free Personal
Adobe Digital Editions (ADE) is an ebook reader software.
ICE Book Reader Professional
Commercial
ICE Book Reader Professional is an e-book reader. It is also possible to use ICE Book Reader Professional as a teleprompter.
Compare iBooks with alternatives
Compare Amazon Kindle and iBooks and decide which is most suitable for you.
Compare Adobe Digital Editions and iBooks and decide which is most suitable for you.
Compare ICE Book Reader Professional and iBooks and decide which is most suitable for you.