What is Silverlight?
Microsoft Silverlight is a web browser plugin that enables features such as online games and animation. It is a cross-browser, cross-platform technology, that runs in all popular Web browsers, including Microsoft Internet Explorer, Mozilla Firefox, Google Chrome, Opera, Apple Safari, and on Microsoft Windows, Apple Mac OS X and Linux.
Moonlight is a free and open-source implementation of the Silverlight web browser plugin developed by the Mono Project, primarily for Linux and other Unix / X11 based operating systems.
Light up the Web!