Sahi is a web browser automation tool, used for writing functional test suites for web sites and web applications. It works in all modern browsers, allowing cross-browser testing.
Sahi is web automation and testing tool used for cross browser testing of complex web 2.0 and Ajax applications.
Sahi is especially suited for cross-browser/multi-browser testing of complex web 2.0 applications with lots of Ajax and dynamic content. Sahi works well in Agile development environments, enabling rapid automation and maintenance and easily integrating with build systems. Sahi saves time and effort with faster development, less maintenance and fast distributed playback. Sahi runs on any modern browser which supports JavaScript.
Sahi is available as an open source free product and as Sahi Pro, the commercial version.
Sahi is similar in concept to the more well established selenium, although the two products work quite differently internally.