On the FixtureScenarios plugin for Rails

This plugin allows you to create 'scenarios' which are collections of fixtures and ruby files that represent a context against which you can run tests.

CruiseControl.rb is a continuous integration tool. Its basic purpose in life is to alert members of a software project when one of them checks something into source control that breaks the build.

Cerberus is a Ruby based continuous integration system which can also be used with Ruby on Rails.

Mosquito can automate the most work for you! It can traverse through your site, enter data into fields, press buttons, and take screenshots according to user written script. All you have to do is look through already-taken screenshots to see if there are

Heckle is a mutation tester. It modifies your code and runs your tests to make sure they fail. The idea is that if code can be changed and your tests don’t notice, either that code isn’t being covered or it doesn’t do anything.

Tesly Jr. provides an HTML reporter for your automated tests. By hooking in to your automated testing environment, Tesly Jr. can receive the results of your test runs as the unit tests are being executed.

Selenium on Rails provides an easy way to test Rails application with Selenium Core.

Sahi is an automation and testing tool for web applications, with the facility to record and playback scripts. Developed in java and javascript, this tool uses simple javascript to execute events on the browser. Features include, in-browser controls, text

Selenium is a test tool for web applications. Selenium tests run directly in a browser, just as real users do. And they run in Internet Explorer, Mozilla and Firefox on Windows, Linux, and Macintosh.