4Peaks allows molecular biologists edit and visualize their DNA sequence files. Finally, there is a decent solution to analyze trace files on Mac OS X. This takes us away from slow and non-native Mac OS 9 programs. 4Peaks can open most sequence file formats straight out of the box. You don't have to convert them using AppleScripts or any other tedious methods.
Version 1.8:
Note: Now requires OS X 10.7 or later