Repositories list

• policyengine-api-v2

  Public
  Python

  •

  GNU Affero General Public License v3.0

  •1•1•45•4•Updated Jan 26, 2026Jan 26, 2026

• newsletters

  Public
  Newsletters

  HTML

  •

  GNU Affero General Public License v3.0

  •1•0•0•1•Updated Jan 26, 2026Jan 26, 2026

• github-wrapped

  Public
  Year in Code: PolicyEngine team GitHub activity for self-reviews

  JavaScript

  •0•0•0•0•Updated Jan 26, 2026Jan 26, 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

  •3•1•106•29•Updated Jan 26, 2026Jan 26, 2026

• ri-ctc-calculator

  Public

  PolicyEngine/ri-ctc-calculator’s past year of commit activity
  Rhode Island Child Tax Credit Calculator - Model RI CTC reforms and their impact on households

  Python

  •0•0•3•2•Updated Jan 26, 2026Jan 26, 2026

• policyengine-us-data

  Public
  A package to create representative microdata for PolicyEngine US.

  Python

  •10•2•80•6•Updated Jan 26, 2026Jan 26, 2026

• blog-charts

  Public
  Interactive charts for PolicyEngine blog posts

  HTML

  •0•0•0•0•Updated Jan 26, 2026Jan 26, 2026

• policyengine-claude

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

  Python

  •

  MIT License

  •1•3•1•11•Updated Jan 25, 2026Jan 25, 2026

• policyengine-household-api

  Public
  Python

  •

  GNU Affero General Public License v3.0

  •3•1•20•93•Updated Jan 25, 2026Jan 25, 2026

• policyengine-api

  Public
  PolicyEngine's REST API for computing policy impacts.

  Python

  •

  GNU Affero General Public License v3.0

  •34•16•113•162•Updated Jan 25, 2026Jan 25, 2026

• spm-calculator

  Public
  Calculate SPM (Supplemental Poverty Measure) thresholds for any US geography and year

  Python

  •

  MIT License

  •0•0•0•0•Updated Jan 25, 2026Jan 25, 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+ 6economicsunited-statespublic-policyinequalitypovertyeconomic-policy

  Python

  •

  GNU Affero General Public License v3.0

  •201•129•1.2k•146•Updated Jan 25, 2026Jan 25, 2026

• sc-h3492-eitc-calc

  Public
  Analysis of South Carolina H.3492 Partially Refundable EITC

  Python

  •0•0•0•0•Updated Jan 25, 2026Jan 25, 2026

• policyengine-core

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

  frameworktaxmicrosimulation+ 1benefit

  Python

  •

  GNU Affero General Public License v3.0

  •26•16•101•9•Updated Jan 25, 2026Jan 25, 2026

• policyengine-app

  Public
  PolicyEngine's free web app for computing the impact of public policy.

  Jupyter Notebook

  •

  GNU Affero General Public License v3.0

  •146•64•393•28•Updated Jan 25, 2026Jan 25, 2026

• policyengine-canada

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

  modeltaxmicrosimulation+ 1benefit

  Python

  •

  GNU Affero General Public License v3.0

  •35•15•141•80•Updated Jan 25, 2026Jan 25, 2026

• stronger-start-calc

  Public
  Analysis of the Stronger Start for Working Families Act - CTC earnings threshold elimination

  Python

  •0•0•0•0•Updated Jan 25, 2026Jan 25, 2026

• microdf

  Public
  Analysis tools for working with survey microdata as DataFrames.

  analysispandasmicrodata+ 4dataframestax-calculatorpsl-catalogedsurvey-microdata

  Python

  •

  MIT License

  •10•14•8•1•Updated Jan 25, 2026Jan 25, 2026

• policyengine.py

  Public
  PolicyEngine's main user-facing Python package, incorporating country packages and integrating data visualization and analytics.

  pythonmodeltax-benefit

  Python

  •

  GNU Affero General Public License v3.0

  •8•5•7•5•Updated Jan 25, 2026Jan 25, 2026

• policyengine-uk

  Public
  An open-source static tax-benefit microsimulation model for the UK.

  pythonunited-kingdomtax+ 7policyeconomicspublic-policyinequalitypovertypsl-catalogedeconomic-policy

  Python

  •

  GNU Affero General Public License v3.0

  •31•36•214•10•Updated Jan 25, 2026Jan 25, 2026

• policyengine-ads-dashboard

  Public
  Public transparency dashboard for PolicyEngine advertising performance

  JavaScript

  •0•0•0•0•Updated Jan 25, 2026Jan 25, 2026

• ai-growth-research

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

  aieconomicspolicy-analysis+ 2microsimulationdistributionanalysis

  HTML

  •1•0•0•0•Updated Jan 25, 2026Jan 25, 2026

• .github

  Public
  0•0•0•0•Updated Jan 23, 2026Jan 23, 2026

• crfb-tob-impacts

  Public
  Jupyter Notebook

  •2•0•13•6•Updated Jan 23, 2026Jan 23, 2026

• scottish-budget-2026-2027

  Public
  Interactive dashboard analysing the Scottish Budget 2026-27 impact on living standards, poverty, and local areas

  reactdashboardbudget+ 3scotlandpovertypolicyengine

  JavaScript

  •0•0•0•0•Updated Jan 23, 2026Jan 23, 2026

• policyengine-api-v2-alpha

  Public
  Testing out a reduced APIv2 as a middle ground

  Python

  •0•0•2•3•Updated Jan 23, 2026Jan 23, 2026

• pose

  Public

  PolicyEngine/pose’s past year of commit activity
  NSF POSE Phase 1 - Ecosystem Discovery for PolicyEngine

  TypeScript

  •0•0•0•1•Updated Jan 22, 2026Jan 22, 2026

• policyengine-uk-data

  Public
  Repository creating UK microdata.

  Python

  •2•1•32•5•Updated Jan 21, 2026Jan 21, 2026

• scotland-mansion-tax

  Public
  Analysis of Scottish mansion tax (council tax reform for £1m+ properties from Budget 2026-27) by Scottish Parliament constituency

  HTML

  •0•0•0•0•Updated Jan 21, 2026Jan 21, 2026

• L0

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

  Python

  •

  MIT License

  •1•0•20•0•Updated Jan 21, 2026Jan 21, 2026