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

  • Modular Entities

    This video demonstrates the use of entities to: represent markets with sparse offerings and new product introductions, create new structure on the fly, from data or random events model multiple scenarios simultaneously for an aggregate infection model, model the same infection process on an agent based social network, and calibrate a function to time series

  • Data Science meets the bottom line

    Ventity can be used to put big data in context, by incorporating the learnings from big data in simulations that account for organizational structure and finances. Ventity can also do data intensive simulation, with an architecture friendly to relational data and dynamically changing lists, optimization for calibration, and much more  on the road map.

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