Coding4Fun Toolkit for WP7 Overview and Getting Started
Silverlight extensions library
"enable Silverlight 4 out-of-browser applications to interact with cool Windows 7 features"
Silverlight 4 and Asynchronous Validation with INotifyDataErrorInfo
Silverlight XAP file optimization
WP7 working with VisualStates: How to make a ToggleSwitch from CheckBox
WP7 Developer Guide from Patterns and Practices Team
On Testing Windows Phone 7 Applications - Part I: The Simple Stuff
Tasks: Launchers and Choosers–Windows Phone From Scratch #22
SQL SERVER 2008 - Missing Index Script - Download
Entity Framework GetById
Entity Framework Tutorials
HyperCam
Free video capture software