Test::kwalitee is an automatically-measurable gauge of how good your software is. that's very different from quality, which a computer really can't measure in a general sense. (if you can, you've solved a hard problem in computer science.)

in the world of the cpan, the cpants project (cpan testing service; also a funny acronym on its own) measures kwalitee with several metrics. if you plan to release a distribution to the cpan -- or even within your own organization -- testing its kwalitee before creating a release can help you improve your quality as well.