TOGAF is an industry standard architecture framework that may be used freely by any organisation wishing to develop an information systems architecture for use within that organisation.

Adaptive provides a web-based Enterprise Knowledge Repository and related “Adaptations” to support Enterprise Architecture for large organisations and governments around the world.

An independent analyst firm and think-tank, providing a focus for the industry on best practice in business software creation, re-use and management.

A leading provider of business intelligence (BI) solutions, with a portfolio of products (including Crystal Reports) that focus on key areas like Enterprise Performance Management, Information Infrastructure and Data Integration.

The Perforce SCM System features comprehensive software configuration management capabilities, built around a scalable client/server architecture, and is used by over 100,000 developers worldwide.

A collection of useful resources from the research/analyst/consulting company, although be warned – much of the content is available in full only to paying customers.

A US-based site which aims to share knowledge about the Enterprise Architecture industry, solutions and technologies with IT executives, through articles and other resources.

An IT market intelligence company, which targets IT vendors, service providers and end-users, with a specific focus on XML, Web Services, and Service Orientation.

WWISA is a non-commercial organisation, which aims to promote software architecture as a profession, and to provide information and services to software architects.

A site specifically aimed at the UK architectural community, with local news, events and webcasts. You can also sign up for the Architect Journal, a free quarterly publication.

ZIFA’s mission is to promote the exchange of knowledge and experience in the use, implementation and advancement of the Zachman Framework for Enterprise Architecture.

Personal thoughts and experiences from an enterprise software architect, currently a program manager at Microsoft, and previously chief scientist and chief server architect at Cape Clear Software Inc.

A growing collection of white papers targeted at application architects, designers and developers who are working with .NET and Web Services technologies.