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Welcome to DecisionsFirst™ Modeler: The Ultimate Decision Modeling Software


  • Developed by Co-Submitters of the Decision Model Notation (DMN) Standard 
  • Free Video Tutorials to Get You Started with Decision Modeling
  • Dedicated Support Team
  • No Credit Card Required
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A one stop shop to draw decision models, draft decision logic and act as a front-end to your Business Rules Management Systems.

DecisionsFirst™ Modeler is a collaborative decision modeling solution that makes it easy to model decisions as part of your requirements process. It is based on the Decision Model and Notation (DMN) standard to future-proof your decision models and skills.


“DecisionsFirst™ Modeler is an outstanding decision management tool which allows you to examine and understand your processes and easily deconstruct key decisions while focusing on business objectives.”

Senior ManagerHealthcare Analytics

Decision Service Diagram Simulation

Object Version History

Related Decision Model Impact

Tag Explorer

Diagram Version History

Easily Export to Excel

Why Model Your Decisions? Watch the Video Below to Find Out:

Why Choose DecisionsFirst™ Modeler?