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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  • Entity Selection by Attribute

    Need to see all the model year cohorts of diesel vehicles in your fleet? No problem. Ventity’s Entity Picker lets you select entities for viewing by model run, unique ID, or any entity attribute. Similarly, you can create collections of entities by attribute, and use those to compute aggregates – sum, average, maximum – for

  • Team Oriented Design

    Ventity’s modular model format allows for multiple people to work on different parts of a model at the same time. This video shows some of the opportunities for team model building in Ventity.

  • Vensim Model Import

    One of the newer features of our recent releases is the Vensim Model Import tool, and we’d like to take a few moments to walk through some of its uses and some tips for importing models from Vensim to Ventity. The first thing to keep in mind is that importing a Vensim model can only

News

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

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  • Ventity 4.9 Release

    Ventity 4.9.1 is now available from the download page (if you need a trial license) or the update page (if you don’t). 4.9.1 is a minor maintenance release that improves trapping and messages for generated code errors, fixes a file format issue with the 3D visualizer, and corrects a rare action issue. 4.9 is a

  • What’s New 2022?

    News on Vensim and Ventity from our User Group/Demo session at the 2022 System Dynamics Conference:

  • Introduction to Ventity Workshop

    We’ve made our usual workshop content from ISDC 2022 permanently available on video. The latest is an Introduction to Ventity, featuring an interesting simple agent-based model: Materials and models used are in this archive: Ventity Intro – Agent.zip You may also be interested in other Ventity videos, particularly the shorter introduction in Doing Classic System