Flac
From charlesreid1
Where to get Flacs
Flac on Mac
To split a flac file using a cue file on a Mac:
First, download xACT.
Next, launch xACT and go to the shntool tab.
Click the add button to add your flac file.
Click the split button.
Click the "call shntool" button and point xACT to your cue file.