Fitnesse is a Acceptance Testing Framework and also a Wiki Web Server
The good things is it is an Open Source Project.
You can create tests by adding Test Pages and also run them.
We can also consolidate the Test Pages into a Test Suite Page.
Getting Started:
Download Fitnesse jar from http://www.fitnesse.org/FitNesseDownload
To run the fitnesse use the following command.
java -jar fitnesse-standalone.jar -p 8082
Now open your browser and hit the URL http://localhost:8082/
This should navigate you to the FrontPage of Fitnesse