List of other option libraries

Jopts is another library. According to the website, Mark Reinhold (one of the architects behind Java) has said: "I thought you might be interested to know that we're using your jopt-simple library in the open-source Java Development Kit. Thanks for writing such a nice little library! It's far cleaner than any of the other alternatives out there."

Other alternatives: the home page of Jopts lists a number of other alternatives.