Open-source ePub validator for the Mac
FlightCrew includes the following:
· FlightCrew, the validation library;
· FlightCrew-cli, the command-line front-end to the FlightCrew library;
· FlightCrew-gui, the GUI front-end to the FlightCrew library;
The validation library has no external dependencies outside of those included in the source tree and built along with FlightCrew.
FlightCrew is cross-platform and it works on Mac OS X, Windows and Linux. Binaries for the Windows and Linux platforms are available on the project's homepage.