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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  • Dynamic Structure

    In Ventity, you can introduce new entities on the fly during a simulation. You can introduce them via data, or programatically with discrete Actions. Introduce a firm into a market when you need it, or delete a cohort of products when they’re all sold. Simulate and review just your real behavior, without lots of clutter

  • Flexible Development Environment

    Work efficiently with dockable windows and non-modal dialogs.

  • Causal Tracing®

    Like Vensim®, which created the tool, Ventity has Causal Tracing for rapid model analysis:  

News

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

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  • Community Coronavirus Model

    This video explores a simple epidemic model, parameterized for a community confronting coronavirus. The video is in Vensim, but we’ve now translated the model to Ventity: Community corona 8.zip There’s another copy at metasd.com, where you can share comments. Also, check back here for updates to the model and a companion video, to be released

  • Ventity 3.0.2 Released

    This is a minor maintenance release. Adds string functions for attribute initialization. Fixes license grace period. Improves consistency of computation when actions are triggered by random events at start of period. Reduces flicker in GIS visualization rendering. Provides control-drag for drawing initial arrows between stocks. Improves lat-lon defaults for GIS visualization with fixed coordinates. Improves

  • Ventity 3.0.1 Released

    This is a minor maintenance release, but it brings substantial improvements to the beta GIS visualizer. See the Help System for details.