The Policy Simulation Library (PSL) is an open source software library for public-policy decisionmaking. The models in PSL are developed by independent projects that conform to PSL criteria for transparency. Modeling projects may also adopt PSL's criteria for interoperability and community building, which take the form of suggestions for interface design and organizational activity. PSL aims to grow to span governments and policy domains.

The PSL project, which lives in this repository, sets PSL criteria and develops infrastructure to support PSL.

PSL infrastructure projects under development include:

The PSL's online home for users is

If you would like to learn more about PSL plans, see our roadmap.

If you would like to make a technical contribution to PSL, please review the contributor guide.

You can reach PSL developers and users to discuss how to get started by opening an issue or joining the PSL Community chat room.