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. No other test tool covers such a wide array of platform.
a free Ruby-based environment aiming to make programming easily available to beginners, especially children. Its driving force was an essay titled The Little Coder's Predicament written in 2003 by why the lucky stiff (AKA why)