Great Open Source or Free Tools:
Adobe AIR:
- Adobe AIR SDK
- AIR Runtime
- Adobe AIR 1.5 Quick Starts for HTML and Ajax
- Developing Adobe AIR 1.5 Applications with HTML and Ajax
Git:
Silverlight/Blend:
- Getting Started with Silverlight 3
- 30 Great Posts and Tutorials on Silverlight and Blend 3
- Through the Eyes of Expression Blend (tutorial series)
- Silverlight UX Development
- Using SketchFlow to Create Better Prototypes
