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 20, 2026Apr 20, 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•4444 issues•44 pull requests•Updated Apr 19, 2026Apr 19, 2026

• policyengine-uk-data

  Public
  Repository creating UK microdata.

  Python

  •22 forks•11 star•2020 issues•66 pull requests•Updated Apr 19, 2026Apr 19, 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•1313 issues•88 pull requests•Updated Apr 19, 2026Apr 19, 2026

• policyengine-us

  Public
  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•141141 stars•1.1k1.1k issues•2929 pull requests•Updated Apr 19, 2026Apr 19, 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•125125 issues•105105 pull requests•Updated Apr 19, 2026Apr 19, 2026

• policyengine-api-v2-alpha

  Public
  Testing out a reduced APIv2 as a middle ground

  Python

  •00 forks•00 stars•1414 issues•123123 pull requests•Updated Apr 19, 2026Apr 19, 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•3939 stars•165165 issues•44 pull requests•Updated Apr 19, 2026Apr 19, 2026

• cliff-watch

  Public
  JavaScript

  •

  MIT License

  •00 forks•00 stars•11 issue•00 pull requests•Updated Apr 19, 2026Apr 19, 2026

• microimpute

  Public
  Repository for benchmarking different imputation methods for survey data.

  Jupyter Notebook

  •22 forks•00 stars•77 issues•22 pull requests•Updated Apr 19, 2026Apr 19, 2026

• analysis-notebooks

  Public

  PolicyEngine/analysis-notebooks’s past year of commit activity
  Notebooks for policy analysis using PolicyEngine software

  Jupyter Notebook

  •66 forks•22 stars•1818 issues•4343 pull requests•Updated Apr 19, 2026Apr 19, 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 19, 2026Apr 19, 2026

• policyengine-app-v2

  Public
  The second iteration of PolicyEngine's free web app for computing the impact of public policy. Currently under development.

  HTML

  •33 forks•11 star•150150 issues•2929 pull requests•Updated Apr 19, 2026Apr 19, 2026

• policyengine-claude

  Public
  Official Claude Code plugin for PolicyEngine development - agents, commands, and skills for tax/benefit microsimulation

  Python

  •

  MIT License

  •55 forks•2828 stars•22 issues•55 pull requests•Updated Apr 18, 2026Apr 18, 2026

• ai-inequality

  Public
  Research examining how economic policies mediate AI's impact on income, consumption, and wealth distribution

  aieconomicspolicy-analysis+ 2

  aieconomicspolicy-analysismicrosimulationdistributionanalysis

  HTML

  •11 fork•11 star•00 issues•22 pull requests•Updated Apr 18, 2026Apr 18, 2026

• policyengine-us-data

  Public
  A package to create representative microdata for PolicyEngine US.

  Python

  •1010 forks•22 stars•112112 issues•1515 pull requests•Updated Apr 18, 2026Apr 18, 2026

• microcalibrate

  Public
  A package to calibrate survey data.

  TypeScript

  •11 fork•00 stars•55 issues•33 pull requests•Updated Apr 18, 2026Apr 18, 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•4040 issues•2727 pull requests•Updated Apr 18, 2026Apr 18, 2026

• ri-ctc-calculator

  Public
  Rhode Island Child Tax Credit Calculator - Model RI CTC reforms and their impact on households

  HTML

  •00 forks•00 stars•33 issues•33 pull requests•Updated Apr 18, 2026Apr 18, 2026

• policyengine-core

  Public
  Core microsimulation engine for PolicyEngine models. Forked from OpenFisca-Core.

  frameworktaxmicrosimulation+ 1

  frameworktaxmicrosimulationbenefit

  Python

  •

  GNU Affero General Public License v3.0

  •2626 forks•1717 stars•106106 issues•22 pull requests•Updated Apr 18, 2026Apr 18, 2026

• policyengine-it

  Public

  PolicyEngine/policyengine-it’s past year of commit activity
  Combined country package for all OECD countries not currently modelled by PolicyEngine

  Python

  •

  GNU Affero General Public License v3.0

  •11 fork•00 stars•1313 issues•00 pull requests•Updated Apr 18, 2026Apr 18, 2026

• L0

  Public
  A package that implements the L0 penalty per Luizos, Welling, & Kingma (2017) https://arxiv.org/abs/1712.01312

  Python

  •

  MIT License

  •11 fork•00 stars•2020 issues•00 pull requests•Updated Apr 18, 2026Apr 18, 2026

• policyengine-canada

  Public
  Country model of Canada's tax-benefit system, using PolicyEngine Core.

  modeltaxmicrosimulation+ 1

  modeltaxmicrosimulationbenefit

  Python

  •

  GNU Affero General Public License v3.0

  •3535 forks•1717 stars•138138 issues•7272 pull requests•Updated Apr 18, 2026Apr 18, 2026

• policyengine-data

  Public
  Python

  •

  GNU Affero General Public License v3.0

  •00 forks•00 stars•66 issues•00 pull requests•Updated Apr 17, 2026Apr 17, 2026

• policyengine-il

  Public
  A model of Israel's tax-benefit system.

  Python

  •

  GNU Affero General Public License v3.0

  •11 fork•11 star•22 issues•11 pull request•Updated Apr 17, 2026Apr 17, 2026

• policyengine-ng

  Public
  A model of the Nigerian tax-benefit system

  tax-benefit

  tax-benefit

  Python

  •

  GNU Affero General Public License v3.0

  •33 forks•33 stars•55 issues•11 pull request•Updated Apr 17, 2026Apr 17, 2026

• microdf

  Public
  Analysis tools for working with survey microdata as DataFrames.

  analysispandasmicrodata+ 4

  analysispandasmicrodatadataframestax-calculatorpsl-catalogedsurvey-microdata

  Python

  •

  MIT License

  •1010 forks•1414 stars•99 issues•33 pull requests•Updated Apr 17, 2026Apr 17, 2026

• .github

  Public
  00 forks•00 stars•00 issues•00 pull requests•Updated Apr 17, 2026Apr 17, 2026

• snap-bbce-repeal

  Public
  Analysis of repealing SNAP Broad-Based Categorical Eligibility (BBCE)

  JavaScript

  •00 forks•00 stars•00 issues•11 pull request•Updated Apr 17, 2026Apr 17, 2026

• child-poverty-impact-dashboard

  Public
  Child Poverty Impact Dashboard - Model and compare policy reforms across US states

  Python

  •

  MIT License

  •00 forks•00 stars•11 issue•00 pull requests•Updated Apr 17, 2026Apr 17, 2026