Microsoft Silverlight rivals Flash, AJAX
Redmond's new rich Internet application boasts strong development tools, a small browser footprint, and cross-platform support
Unlike many of Microsoft's other offerings, Silverlight was designed from the ground up to be a cross-platform, cross-browser plug-in. It currently supports Windows and Mac OS using the Internet Explorer, Firefox, and Safari browsers. In the future, it will also support Linux and the Opera browser.