vapir

vapir. Vapir is a fork of the popular Watir browser automation library for Ruby. It offers a great deal of bug fixes and new functionality over Watir, particularly comparing Firefox versions.

mozrepl. MozRepl lets you program Firefox and other Mozilla-based applications from the inside.

winwindow. A Ruby library to wrap windows API calls relating to hWnd window handles.

watirworld. Expose drivers using the Watir API into Cucumber's World