yFiles Mega Pack

yFiles for Silverlight is an extensive class library for Microsoft Silverlight applications. Its high-quality UI controls for viewing and editing diagrams allow you to automatically arrange complex graphs, diagrams, and networks with the click of a button. Our diagramming library crafted for WPF-based applications is yFiles WPF.

Including:
yFiles for .NET
yFiles for WPF
yFiles for Silverlight