Architecture Guidance

Common application patterns with .NET

https://www.microsoft.com/net/architecture

Cloud Design Patterns: Prescriptive Architecture Guidance for Cloud Applications

http://msdn.microsoft.com/en-us/library/dn568099.aspx

Books

http://blogs.technet.com/b/yungchou/archive/2011/12/06/free-ebooks.aspx

Books

SOLID Principles
http://lostechies.com/wp-content/uploads/2011/03/pablos_solid_ebook.pdf

CQRS and Event Sourcing
http://www.microsoft.com/en-us/download/details.aspx?id=34774

Claim based identity
http://www.microsoft.com/en-us/download/details.aspx?id=28362

Will be continued...