jsAssertUnit is a unit testing framework based on assertions, helping JavaScript developers to test their code. Failing assertions about the program state are tracked in a Reporter window of a DOM compliant browser : IE5+, Mozilla, Netscape 6+, etc.
Suite Tester is an AJAX-driven add-on for the PHP SimpleTest unit-testing tool. The main benefits are conveniently testing an entire application or a single unit in one place, and quickly viewing a suite’s results one unit at a time.