berpol

.NET Extensions Methods Library for C# and VB.NET (ASP.NET, MVC, SL, WPF, EF)
Better WPF Controls
Caliburn Micro: WPF, Silverlight, WP7 and WinRT/Metro made easy.
Catel - application development platform with MVVM support (WPF, SL, WP, WinRT)
CommonLibrary.NET
Elysium
Extended WPF Toolkit™ Community Edition
Fluent Ribbon Control Suite
Guidance on Differences Between WPF and Silverlight
Managed Extensibility Framework
Outlook 2010 like Navigation Pane WPF Control
patterns & practices: Prism
Self-Tracking Entity Generator for WPF and Silverlight
Snoop, the WPF Spy Utility
VideoLan DotNet for WinForm, WPF & Silverlight 5
WCF Guidance for WPF Developers
Windows Presentation Foundation Pixel Shader Effects Library
WPF and ClickOnce
WPF Converters
WPF Dynamic User Interface - The Business Application Library