Our mission is to help computational modelers develop, document, and share their computational models in accordance with community standards and good open science and software engineering practices. Model authors can publish their model source code in the Computational Model Library with narrative documentation as well as metadata that supports open science and emerging norms that facilitate software citation, computational reproducibility / frictionless reuse, and interoperability. Model authors can also request private peer review of their computational models. Models that pass peer review receive a DOI once published.
All users of models published in the library must cite model authors when they use and benefit from their code.
Please check out our model publishing tutorial and feel free to contact us if you have any questions or concerns about publishing your model(s) in the Computational Model Library.
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Peer reviewed B3GET
Kristin Crouse | Published Thursday, November 14, 2019 | Last modified Tuesday, September 20, 2022B3GET simulates populations of virtual organisms evolving over generations, whose evolutionary outcomes reflect the selection pressures of their environment. The model simulates several factors considered important in biology, including life history trade-offs, investment in fighting ability and aggression, sperm competition, infanticide, and competition over access to food and mates. Downloaded materials include starting genotype and population files. Edit the these files and see what changes occur in the behavior of virtual populations!
View the B3GET user manual here.
Party Competition with Opinion Dynamics
Marco Janssen | Published Sunday, June 28, 2026We combine a model of parties adjusting their position to recruit voters, and voters adjusting their opinions due to social influence and party positions.
Political Competition
Marco Janssen | Published Sunday, June 28, 2026Political parties compete for voters by (re-) positioning themselves within the opinion space.
Basic Opinion Dynamics model
Marco Janssen | Published Sunday, June 28, 2026Demo model that shows how continuous opinions change due to interactions with other agents. Agents move towards similar opinions and repel away from intolerable opinions.
Consumats on a network
Marco Janssen | Published Tuesday, January 14, 2020 | Last modified Sunday, June 28, 2026Consumer agents make choices which products to choose using the consumat approach. In this approach agents will make choices using deliberation, repetition, imitation or social comparison dependent on the level of need satisfaction and uncertainty.
The model is discussed in Introduction to Agent-Based Modeling by Marco Janssen. For more information see https://intro2abm.com/
Diffusion of innovations
Marco Janssen | Published Tuesday, January 14, 2020 | Last modified Saturday, June 27, 20263 simple models to illustrate diffusion of innovations.
The models are discussed in Introduction to Agent-Based Modeling by Marco Janssen. For more information see https://intro2abm.com/
Rangeland and evolution of management styles
Marco Janssen | Published Tuesday, January 14, 2020 | Last modified Friday, June 26, 2026Provided is a landscape of properties where pastoralists make decisions how much livestock they put on their property and how much to suppress fire from occuring. Rangelands can be grass dominated, or unproductive shrubb dominated. Overgrazing and fire suppresion lead to shrub dominated landscapes. What management strategies evolve, and how is this impacted by policies?
The model is discussed in Introduction to Agent-Based Modeling by Marco Janssen. For more information see https://intro2abm.com/.
Spatial rangeland model
Marco Janssen | Published Tuesday, January 22, 2019 | Last modified Friday, June 26, 2026Spatial explicit model of a rangeland system, based on Australian conditions, where grass, woody shrubs and fire compete fore resources. Overgrazing can cause the system to flip from a healthy state to an unproductive shrub state. With the model one can explore the consequences of different movement rules of the livestock on the resilience of the system.
The model is discussed in Introduction to Agent-Based Modeling by Marco Janssen. For more information see https://intro2abm.com/.
Governing the commons
Marco Janssen | Published Tuesday, January 14, 2020 | Last modified Friday, June 26, 2026Model on the use of shared renewable resources including impact of imitation via success-bias and altruistic punishment.
The model is discussed in Introduction to Agent-Based Modeling by Marco Janssen. For more information see https://intro2abm.com/
Population dynamics
Marco Janssen | Published Monday, December 31, 2018 | Last modified Friday, June 26, 2026Simple population dynamics model used in Introduction to Agent-Based Modeling by Marco Janssen. For more information see https://intro2abm.com/
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