The Architecture Journal is an independent platform for free thinkers and practitioners of IT architecture. New editions are issued quarterly with articles designed to offer perspective, share knowledge, and help you learn the discipline and pursue the art of IT architecture.
Learn Architecture for beginner and advanced architecture topics.
MSDN Architecture Center provides insightful information and examples about latest techniques and trends, demonstrating how technology aligns to current business needs. Here you can not only learn what others are doing and how challenges are being addressed, but also share your ideas and participate in the discussion through our calls for papers and forums.
patterns & practices Use Microsoft's proven practices for software engineering.
CodePlex Microsoft's open source project hosting web site. Start a new project, join an existing one, or download software created by the community.
Microsoft Enterprise Architecture Portal
Architect Evangelist - Linda Chong’s blog – my blog on regular technology and architecture updates.
Other Microsoft’s Architects blog : Nick Malik, Gabriel Morgan, Mike Walker [EA Specific], full list of Microsoft architect blogs
Development and Operations frameworks such as Microsoft Operations Framework (MOF), which also include the Microsoft Solutions Framework (MSF)
Methodologies and tools to tackle capability modeling and analysis through Microsoft Business Architecture (MSBA)
The Open Group
Enterprise Architecture Center of Excellence (EACOE)
Zachman
CBDI Service Oriented Architecture Practice Portal
zapthink Service-Oriented Architecture (SOA) & Enterprise Architecture (EA) Strategic Advisory and Guidance
mwd (Macehiter Ward-Dutton) advising on IT-business alignment
architecture community blogs
Microsoft Singapore’s Architect Community
Architect Center A Community for IT Architects
International Association of Software Architect (IASA)
TheServerSide.Net (Your Enterprise .Net Community)