FitNesse is a test framework that allows testers, developers and customers to collaborate to create test cases on a wiki. Teams can take examples of desired software behavior and turn them into automated tests, integrated with narrative requirements documentation. FitNesse runs its own wiki web server. It’s possible to test applications written in Java, .Net, Ruby, Python, C, and PHP using FitNesse.
Software Testing Tools: Unit Testing Tools, Functional Testing Tools, Load Testing Tools
Apache JMeter is open source Java desktop software designed to load test functional behavior and measure performance. It was originally designed for testing Web Applications but has since expanded to other test functions.
Concordion is an open source tool for writing automated acceptance tests in Java. There are also versions for .NET, Python, and Ruby.
JUnit is a programmer-oriented testing framework for Java.