Microsoft Silverlight

Microsoft Silverlight

Developer(s)	Microsoft Corporation
Initial release	April 2007; 4 years ago (2007-April)
Stable release	4.0.60310.0  (April 20, 2011; 6 days ago (2011-04-20)) [+/−]
Preview release	[+/−]
Operating system	Microsoft Windows, Mac OS X, Windows Phone 7, Windows Embedded Compact, and Symbian OS[1][2]
Platform	Intel x86 32-bit, x86-64, ARM and S60
Type	Application framework, Run-time environment and multimedia framework
License	Freeware
1 Overview

2 Versions 2.1 Silverlight 1 2.2 Silverlight 2 2.3 Silverlight 3 2.4 Silverlight 4 2.5 Silverlight 5 3 Release history 4 Compatibility 4.1 Operating systems and web browsers 5 Development tools 6 Licensing 7 Mono Moonlight implementation 8 Relationship to existing Web standards 9 Silverlight SEO (Search Engine Optimization)