Association of Enterprise Architects
An international forum for enterprise architecture

Chief Information Officers Council
The CIO Council serves as the principal interagency forum for improving practices in the design, modernization, use, sharing, and performance of Federal Government agency information resources.

E-gov 
US Federal Enterprise Architecture Certification

EA Community 
The mission of EACommunity is to be the premier community for IT executives to obtain and share knowledge about the Enterprise Architecture industry, solutions and technologies.

EA Interest Group 
The EAIG is an open alliance advancing Enterprise Architecture (EA)practice

FEAPMO 
US Federal Enterprise Architecture Program Management Office

GIA (Genootschap voor Informatie Architecten) 
Dutch organisation for professionals in information architecture

Global Enterprise Architecture Organisation 
the premier resource for Enterprise Architecture professionals around the world.

GotDotNet enterprise architecture 
Enterprise architecture in relation to Microsoft's .NET

Government Computer News (GCN) enterprise architecture 
News on enterprise architecture from the US government

GRAAL program 
Guidelines Regarding Architecture ALignment

IEEE Services Computing Community 
IEEE Computer Society Technical Committee on Services Computing (TCSVC)

InfoCitizen 
EU project aimed at creating a European information architecture for public administration

Institute for Enterprise Architecture Developments 
Jaap Schekkerman's enterprise architecture website

Intervista Institute 
North American institute on enabling strategy & enterprise architecture

NASCIO 
National Association of State Chief Information Officers (US)

Nederlands Architectuur Forum (NAF) 
Non-profit organisation working on topics of architecture. Members of NAF are research organisations, universities, (large) user organisations, governmental organisations, education centers and suppliers of services and products.

Object Management Group 
Shepherds of the UML and MOF standards (and more)

Open Group Architecture Forum 
For stakeholders in IT architecture to come together to develop open methods and tools for IT architecture at the enterprise level

Software Engineering Institute of Carnegie-Mellon University 
Originators of the CMM and CMMI

The Enterprise Architecture Online Group 
The enterprise architect online user group aims are to collaborate between enterprise architects around the world in order to help them do their work more professionally and easily.

Via Nova Architectura
E-magazine on business and IT architecture.

Wikipedia on enterprise architecture 
Wikipedia's 'community view' on enterprise architecture

Zachman Institute for Framework Advancement (ZIFA) 
promoting Zachman's framework for enterprise architecture

Zachman International 
Zachman International is an organization dedicated to research and advancement of the state of the art in Enterprise Architecture principally based on the Framework for Enterprise Architecture