Stanza Redux is an electronic book reader for macOS and iOS that supports the epub format.
Stanza Redux can be downloaded and installed using App Fair.app by opening appfair.app/fair?app=Stanza-Redux.
The landing page for this app is available at https://Stanza-Redux.github.io/App/.
Community Support for this app is available on the Discussion forums.
Problem reports and suggestions for improvement can be found in the Issues list.