Javascript testing framework inspired by Python's doctest
The simplest possible mock library
a JSLint server for more expedient linting
PostBin lets you debug web hooks by capturing and logging the asynchronous requests made when events happen. Make a PostBin and register the URL with a web hook provider. All POST requests to the URL are logged for you to see when you browse to that URL.
If you are a web developer you need to know
TestSwarm provides distributed continuous integration testing for JavaScript. It was initially created by John Resig as a tool to support the jQuery project and has since moved to become an official Mozilla Labs project.
Making the Test Automation for your web site, just that much easier.
Survey on unit-testing and test-driven development.