Repositories list

• policyengine-api-v2

  Public

  PolicyEngine/policyengine-api-v2’s past year of commit activity
  Python

  •

  GNU Affero General Public License v3.0

  •11 fork•11 star•5050 issues•77 pull requests•Updated Apr 22, 2026Apr 22, 2026

• california-wealth-tax

  Public
  Interactive tool analyzing fiscal impacts of California's proposed billionaire wealth tax under varying assumptions

  HTML

  •00 forks•00 stars•00 issues•00 pull requests•Updated Apr 22, 2026Apr 22, 2026

• policyengine-app-v2

  Public

  PolicyEngine/policyengine-app-v2’s past year of commit activity
  The second iteration of PolicyEngine's free web app for computing the impact of public policy. Currently under development.

  HTML

  •33 forks•11 star•151151 issues•2929 pull requests•Updated Apr 22, 2026Apr 22, 2026

• policyengine-us-data

  Public

  PolicyEngine/policyengine-us-data’s past year of commit activity
  A package to create representative microdata for PolicyEngine US.

  Python

  •1010 forks•22 stars•120120 issues•1818 pull requests•Updated Apr 22, 2026Apr 22, 2026

• policyengine-api

  Public

  PolicyEngine/policyengine-api’s past year of commit activity
  PolicyEngine's REST API for computing policy impacts.

  Python

  •

  GNU Affero General Public License v3.0

  •3434 forks•1717 stars•127127 issues•111111 pull requests•Updated Apr 21, 2026Apr 21, 2026

• policyengine-api-v2-alpha

  Public

  PolicyEngine/policyengine-api-v2-alpha’s past year of commit activity
  Testing out a reduced APIv2 as a middle ground

  Python

  •00 forks•00 stars•1414 issues•128128 pull requests•Updated Apr 21, 2026Apr 21, 2026

• household-api-docs

  Public

  PolicyEngine/household-api-docs’s past year of commit activity
  PolicyEngine household API documentation

  JavaScript

  •11 fork•00 stars•00 issues•11 pull request•Updated Apr 21, 2026Apr 21, 2026

• policyengine-us

  Public

  PolicyEngine/policyengine-us’s past year of commit activity
  The PolicyEngine US Python package contains a rules engine of the US tax-benefit system, and microdata generation for microsimulation analysis.

  pythontaxpolicy+ 6

  pythontaxpolicyeconomicsunited-statespublic-policyinequalitypovertyeconomic-policy

  Python

  •

  GNU Affero General Public License v3.0

  •207207 forks•142142 stars•1.1k1.1k issues•3131 pull requests•Updated Apr 21, 2026Apr 21, 2026

• healthcare-crossroads

  Public

  PolicyEngine/healthcare-crossroads’s past year of commit activity
  Python

  •00 forks•00 stars•00 issues•00 pull requests•Updated Apr 21, 2026Apr 21, 2026

• policyengine.py

  Public

  PolicyEngine/policyengine.py’s past year of commit activity
  PolicyEngine's main user-facing Python package, incorporating country packages and integrating data visualization and analytics.

  pythonmodeltax-benefit

  pythonmodeltax-benefit

  Python

  •

  GNU Affero General Public License v3.0

  •88 forks•55 stars•1818 issues•88 pull requests•Updated Apr 21, 2026Apr 21, 2026

• liheap-repeal-dashboard

  Public

  PolicyEngine/liheap-repeal-dashboard’s past year of commit activity
  Impact dashboard for federal LIHEAP repeal (DC, MA, IL)

  TypeScript

  •00 forks•00 stars•00 issues•00 pull requests•Updated Apr 21, 2026Apr 21, 2026

• energy-price-shock

  Public

  PolicyEngine/energy-price-shock’s past year of commit activity
  JavaScript

  •

  GNU Affero General Public License v3.0

  •00 forks•00 stars•00 issues•00 pull requests•Updated Apr 21, 2026Apr 21, 2026

• south-carolina-2026-tax-changes

  Public

  PolicyEngine/south-carolina-2026-tax-changes’s past year of commit activity
  PolicyEngine dashboard for South Carolina's 2026 tax changes (H.4216)

  TypeScript

  •00 forks•00 stars•00 issues•00 pull requests•Updated Apr 21, 2026Apr 21, 2026

• utah-2026-tax-changes

  Public

  PolicyEngine/utah-2026-tax-changes’s past year of commit activity
  PolicyEngine dashboard for Utah's 2026 tax changes (SB60 & HB290)

  TypeScript

  •00 forks•00 stars•00 issues•00 pull requests•Updated Apr 21, 2026Apr 21, 2026

• ai-inequality

  Public

  PolicyEngine/ai-inequality’s past year of commit activity
  Research examining how economic policies mediate AI's impact on income, consumption, and wealth distribution

  aieconomicspolicy-analysis+ 2

  aieconomicspolicy-analysismicrosimulationdistributionanalysis

  Python

  •11 fork•11 star•00 issues•11 pull request•Updated Apr 21, 2026Apr 21, 2026

• policyengine-uk

  Public

  PolicyEngine/policyengine-uk’s past year of commit activity
  An open-source static tax-benefit microsimulation model for the UK.

  pythonunited-kingdomtax+ 7

  pythonunited-kingdomtaxpolicyeconomicspublic-policyinequalitypovertypsl-catalogedeconomic-policy

  Python

  •

  GNU Affero General Public License v3.0

  •3232 forks•4040 stars•155155 issues•77 pull requests•Updated Apr 21, 2026Apr 21, 2026

• policyengine-core

  Public

  PolicyEngine/policyengine-core’s past year of commit activity
  Core microsimulation engine for PolicyEngine models. Forked from OpenFisca-Core.

  frameworktaxmicrosimulation+ 1

  frameworktaxmicrosimulationbenefit

  Python

  •

  GNU Affero General Public License v3.0

  •2727 forks•1717 stars•106106 issues•22 pull requests•Updated Apr 21, 2026Apr 21, 2026

• policyengine-app

  Public

  PolicyEngine/policyengine-app’s past year of commit activity
  PolicyEngine's free web app for computing the impact of public policy.

  Jupyter Notebook

  •

  GNU Affero General Public License v3.0

  •145145 forks•6565 stars•395395 issues•3030 pull requests•Updated Apr 21, 2026Apr 21, 2026

• og-model-dashboard

  Public

  PolicyEngine/og-model-dashboard’s past year of commit activity
  Interactive dashboard explaining OG-UK — the UK calibration of OG-Core (PSL) — with methodology walk-through and side-by-side comparison to the OBR's UK OLG mod…

  HTML

  •00 forks•00 stars•00 issues•00 pull requests•Updated Apr 21, 2026Apr 21, 2026

• policyengine-slides

  Public

  PolicyEngine/policyengine-slides’s past year of commit activity
  Monorepo for PolicyEngine presentation slide decks

  TypeScript

  •00 forks•00 stars•00 issues•11 pull request•Updated Apr 21, 2026Apr 21, 2026

• policyengine-taxsim

  Public

  PolicyEngine/policyengine-taxsim’s past year of commit activity
  TAXSIM emulator using the PolicyEngine US federal and state tax calculator

  Python

  •

  MIT License

  •99 forks•1111 stars•4141 issues•22 pull requests•Updated Apr 21, 2026Apr 21, 2026

• policyengine-uk-data

  Public

  PolicyEngine/policyengine-uk-data’s past year of commit activity
  Repository creating UK microdata.

  Python

  •22 forks•11 star•2222 issues•99 pull requests•Updated Apr 21, 2026Apr 21, 2026

• policyengine-uk-chat

  Public

  PolicyEngine/policyengine-uk-chat’s past year of commit activity
  UK tax and benefit policy chat assistant powered by PolicyEngine and Claude

  TypeScript

  •00 forks•11 star•00 issues•22 pull requests•Updated Apr 21, 2026Apr 21, 2026

• aspen-eitc-ctc

  Public

  PolicyEngine/aspen-eitc-ctc’s past year of commit activity
  Interactive calculator for the Aspen ESG EITC & CTC reform proposal

  TypeScript

  •00 forks•00 stars•00 issues•00 pull requests•Updated Apr 21, 2026Apr 21, 2026

• keep-your-pay-act

  Public

  PolicyEngine/keep-your-pay-act’s past year of commit activity
  Modeling the Keep Your Pay Act from Cory Booker

  TypeScript

  •00 forks•00 stars•44 issues•33 pull requests•Updated Apr 21, 2026Apr 21, 2026

• child-poverty-impact-dashboard

  Public

  PolicyEngine/child-poverty-impact-dashboard’s past year of commit activity
  Child Poverty Impact Dashboard - Model and compare policy reforms across US states

  Python

  •

  MIT License

  •00 forks•00 stars•11 issue•11 pull request•Updated Apr 21, 2026Apr 21, 2026

• microcalibrate

  Public

  PolicyEngine/microcalibrate’s past year of commit activity
  A package to calibrate survey data.

  TypeScript

  •11 fork•00 stars•55 issues•44 pull requests•Updated Apr 21, 2026Apr 21, 2026

• us-state-eitcs-ctcs

  Public

  PolicyEngine/us-state-eitcs-ctcs’s past year of commit activity
  Dashboard showing the impacts of state EITCs and CTCs

  TypeScript

  •11 fork•00 stars•00 issues•00 pull requests•Updated Apr 21, 2026Apr 21, 2026

• tanf-calculator

  Public

  PolicyEngine/tanf-calculator’s past year of commit activity
  TANF Calculator

  JavaScript

  •

  MIT License

  •00 forks•00 stars•00 issues•00 pull requests•Updated Apr 20, 2026Apr 20, 2026

• state-legislative-tracker

  Public

  PolicyEngine/state-legislative-tracker’s past year of commit activity
  2026 State Legislative Tracker - PolicyEngine State Tax Research

  JavaScript

  •22 forks•00 stars•4141 issues•2828 pull requests•Updated Apr 20, 2026Apr 20, 2026