w3simpack home page: http://code.google.com/p/w3simpack/

By re-sending previously captured HTTP requests to your server(s), the way your browser does when you click, W3SimPack simulates an internet browser user, in order to automate human behavior.

W3Simpack provides a framework for:

  • Monitoring availability and performance of WEB applications,
  • Sending this kind of information to NAGIOS monitoring systems,
  • Performing stress tests on an WEB application and its servers.

W3Simpack is a package composed of three distinct modules:

  • A module designed to generate a scenario from a live WEB network capture,
  • A module designed to schedule such scenarios on given applications, and feeding NAGIOS with the results,