For this month I vote for next two downloads: 
Azure Services Training Kit - February Update  The Azure Services Training Kit includes a comprehensive set of technical content including hands-on labs, presentations, and demos designed to help you learn how to use the Azure Services Platform.  
ILMerge  ILMerge is a utility for merging multiple .NET assemblies into a single .NET assembly.
		    
            
	        Posted
		    
Feb 14 2009, 12:07 PM
			by
		    
Damir Dobric