1 Microsoft Silverlight
http://www.silverlight.net/community/samples/silverlight-samples/
2 Silverlight Toolkit (值得推荐)
http://silverlight.codeplex.com/
http://www.silverlight.net/content/samples/sl2/toolkitcontrolsamples/run/default.html
http://www.silverlight.net/content/samples/sl3/toolkitcontrolsamples/run/default.html
3 Telerik Radcontrol for Silverlight (值得推荐)
http://www.telerik.com/products/silverlight.aspx
4 Blacklight for Silverlight
http://mightymeaty.members.winisp.net/blacklight.silverlight/
5 Devexpress for Silverlight
http://demos.devexpress.com/silverlight/
6 Silverlight Open Source
http://www.codeplex.com/
(1) Silverlight Input Control
(2) http://easysl.codeplex.com/
http://www.fci.com.br/inputControls/
http://sivlerlightinputctrl.codeplex.com/
7 Infragistics Silverlight
http://www.infragistics.com/dotnet/netadvantage/silverlight/line-of-business.aspx#Overview
8 Vectorlight.net for Silverlight (值得推荐)
http://www.vectorlight.net/demos/extra_controls.aspx
9 ComponentArt for Silverlight
http://silverlight.componentart.com/
10 C1.Silverlight
http://demo.componentone.com/Silverlight/ControlExplorer