I noticed this little utility is built-in to the Fluke Networks 'EtherScope'. Nice for what it does.
I wish the maintainer distributed a current win32 version to remove some of the pain of having to re-install Visual Studio :)
Compiling with newer GCC
If you are compiling gfortune 1.0.0 with a newer GCC, you'll need to apply this patch to fix the multi-line changes in GCC.