Any other software similar to Eye Tv 3?
Not unless you're prepared to go the Parallels or Bootcamp route. And if you were, you might as well do the HD Homerun Prime. No front end in OS X yet fully integrates a TV tuner, which is unfortunate since everyone would dump EyeTV and that competition might finally incentivize El Gato. JRiver is touting a port to OS X but "video" is a year away, so they're late to the party as well.