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The Essential Project

Building a community supported by free, open source toolsThe Essential Project Logo
The Essential Project is not only about the tools. It provides a useful, active forum for sharing ideas and experiences of applying Enterprise Architecture practices to real world business problems - working together to shape the development of relevant tools.

Apply Enterprise Architecture in the real world
The Essential Project is a set of open source, enterprise architecture support tools developed to be used with a variety of EA approaches and frameworks. 'Essential' because these tools are focused on providing capabilities that are essentialto maximising the value of enterprise architecture; helping organisations manage and analyse the knowledge needed to make decisions that impact or are impacted by the enterprise architecture.


Essential Meta-Model

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The Essential Architecture Meta Model, is a detailed, extensible, yet easy-to-use meta model for describing an enterprise from top to bottom. Essential Architecture Meta Model is published as open source and is available for use in any modelling toolset. Read More

Essential Architecture Manager

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Essential Architecture Manager is the reference implementation of the Essential Architecture Meta Model and includes advanced tools for both capturing and applying complex analysis to your architecture. This open-source toolkit is entirely free to download and use under the GNU GPL v3 license. Read More

Demo Videos

Essential Architecture Manager Demo Videos


See how Essential Architecture can help you manage your enterprise architecture in the Essential demonstration videos.

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