FBReader 1.0 for Mac is available as a free download on our application library. The actual developer of this free Mac application is The FBReader Team. The program lies within System Tools, more precisely General.
From the developer:
FBReader is an e-book reader for Unix/Windows computers.
You may want to check out more software for Mac, such as Dock Dodger, FinkCommander or QuickBoot, which might be similar to FBReader.