Finally, here’s a quick survey of some other candidates for every programmer’s toolbox.
FitNesse is an acceptance testing tool that allows tests to be expressed as tables of input data and expected output data, described in Fit for Developing Software: Framework for Integrated Tests [MC05].
Watir is an open source library for automating web browsers allowing automated testing of web applications. It started out on Internet Explorer on Windows but is in the process of being ported to other browsers.
Selenium is a cross-platform suite of tools to automate web application testing.