Ventity is software for modeling dynamic systems. It combines a friendly, pretty interface with the power of modular entities, data-friendly architecture and dynamic model structure changes.

Featured

Some features & applications of Ventity:

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  • Interactive Charting

    You can pop up a chart on any variable in a diagram or list from a context menu. Charts feature smart scaling, brushing for values and legends, and drilldown, all a right-click away.

  • Autocomplete

    The Ventity equation editor, and other forms, are non-modal and use predictive typing. That makes it easy to navigate, view diagrams, and enter just what you need, without a complex dialog. Because a model has a limited set of terms, predictions are good, and model-diagram and units consistency checks further help to prevent errors.

  • Flexible Development Environment

    Work efficiently with dockable windows and non-modal dialogs.

News

We invite you to read about recent releases and other news:

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  • Ventity 4.6 Beta

    The Ventity 4.6 beta is primarily an under-the-hood performance enhancement, with a few bug fixes and feature improvements as well. The primary feature enhancements are to Process List actions, making it easier to restrict the number of iterations, and much faster to make small randomized selections from large entity collections. This version is stable in

  • Ventity 4.5 Release

    Ventity 4.5 is now available for download or upgrade. There are some further performance improvements over 4.4, as well as a few critical bug fixes to the Initial() and DelayInformation() functions. A number of minor bugs have been fixed as well, including the occasional tendency of autocomplete to delete left parentheses when adding variables to

  • Doing Classic SD in Ventity

    Ventity extends the System Dynamics paradigm with a number of features that enable dynamic cohorts, agents, networks and other hybrid simulation features. However, Ventity is pretty great for simple, aggregate dynamic models, too. You don’t need to know about its advanced features to put the entity architecture to good use by automating suites of policy