NetLogo

NetLogo provides a programmable environment for building and exploring multi‑agent models. Users can define agents, their behaviors, and the rules governing their interactions, then run simulations to observe emergent phenomena. The platform includes a desktop version for macOS, a web‑based interface, and extensions such as Turtle Universe and HubNet that support visualizations and networked participation.

The software is aimed at researchers, educators, and students who need to create agent‑based simulations for fields like ecology, social science, economics, and complex systems. Its integrated documentation, tutorials, and a searchable dictionary help newcomers learn the language and enable experienced users to develop sophisticated models. Community resources, including forums, a Google group, and a conference, support collaboration and sharing of models.

NetLogo’s distinctive features are its built‑in support for agent interaction, the ability to run models both locally and in a browser, and a suite of tools for visualizing and communicating results. The project is maintained as a stable, macOS‑focused product with source code available for further extension.