Enterprise Architect by Sparx Systems is one of the leading modeling tools in the industry and unparalleled in giving you the best value for money.

  • Consultancy

    Looking for an expert to help you with Enterprise Architect? Geert Bellekens is one of the worlds leading experts on Enterprise Architect.

  • Licenses

    Contact us to get a quote for your EA licenses and renewals

  • Writing add-ins

    Everything you need to know about extending Enterprise Architect with your own add-in.

  • SQL Searches

    Quickly find stuff, or perform impact analysis with the powerful SQL Searches

  • Document Generation

    Learn how to create generate professional documents from your model

Free open source add-ins

All add-ins listed below are grouped in a single installer. The Bellekens EA Toolpack.

General purpose add-ins

  • EA Navigator

    The add-in that make your life as a modeler easier

  • EA-Matic

    With EA-Matic you can use scripts as a substitute for compiled add-ins

  • EA Message Composer

    Create messages as subset models from your canonical or domain model

  • EA Mapping

    Map message or data models to each other connecting classes, attributes and associations.

  • EA Validator

    Validate (a part of) your model with customizable rules


    Model message structures and generate JSON schema files from your model.

  • EA TFS Connector

    Synchronize your workitems between TFS (Microsoft Team Foundation) and EA using a REST API.

Specialized add-ins

Other tools