Petit dosbox is a DOSBox Emulator front-end launcher. It is NOT the emulator itslef, although it comes packaged with a binary of DOSBox.
Petit dosbox is designed for Mac OS X systems, features a nice and easy to use interface and has many configuration options, including a Game Manager to let games to be launched straight from the program interface.
These are some of the main features of version 0.4:
Note that this version is a beta.