Repositories list

• 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

  •217217 forks in PolicyEngine/policyengine-us•170170 stars in PolicyEngine/policyengine-us•913913 issues in PolicyEngine/policyengine-us•179179 pull requests in PolicyEngine/policyengine-us•Updated Nov 2, 2026Nov 2, 2026

• microcosm

  Public
  The micro stack: weighted entity bundles, synthesis, calibration, and rules-engine adapters for survey microdata

  Python

  •

  MIT License

  •66 forks in PolicyEngine/microcosm•00 stars in PolicyEngine/microcosm•319319 issues in PolicyEngine/microcosm•138138 pull requests in PolicyEngine/microcosm•Updated Nov 2, 2026Nov 2, 2026

• policybench

  Public
  LLM benchmark for public policy

  Python

  •

  The Unlicense

  •33 forks in PolicyEngine/policybench•22 stars in PolicyEngine/policybench•1515 issues in PolicyEngine/policybench•2222 pull requests in PolicyEngine/policybench•Updated Nov 2, 2026Nov 2, 2026

• policyengine-uk

  Public
  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

  •3434 forks in PolicyEngine/policyengine-uk•5353 stars in PolicyEngine/policyengine-uk•250250 issues in PolicyEngine/policyengine-uk•7474 pull requests in PolicyEngine/policyengine-uk•Updated Nov 2, 2026Nov 2, 2026

• uk-autumn-budget-dashboard-2026

  Public
  PolicyEngine dashboard for the UK Autumn Budget 2026: candidate measures modelled before the Budget (not announced policy), household impacts and living standar…

  JavaScript

  •00 forks in PolicyEngine/uk-autumn-budget-dashboard-2026•11 star in PolicyEngine/uk-autumn-budget-dashboard-2026•3131 issues in PolicyEngine/uk-autumn-budget-dashboard-2026•2929 pull requests in PolicyEngine/uk-autumn-budget-dashboard-2026•Updated Nov 2, 2026Nov 2, 2026

• chronicle

  Public
  Canonical documentation of microdata sources and their mappings to statute-defined concepts

  Python

  •

  MIT License

  •33 forks in PolicyEngine/chronicle•00 stars in PolicyEngine/chronicle•4343 issues in PolicyEngine/chronicle•2727 pull requests in PolicyEngine/chronicle•Updated Nov 2, 2026Nov 2, 2026

• microcosm-dynamics

  Public
  Design and validation program for populace's Dynamics layer — an open, scored longitudinal extension of PolicyEngine's microdata stack. First validation domain:…

  Python

  •

  MIT License

  •22 forks in PolicyEngine/microcosm-dynamics•11 star in PolicyEngine/microcosm-dynamics•2222 issues in PolicyEngine/microcosm-dynamics•1818 pull requests in PolicyEngine/microcosm-dynamics•Updated Nov 2, 2026Nov 2, 2026

• spm-calculator

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

  Python

  •

  MIT License

  •11 fork in PolicyEngine/spm-calculator•00 stars in PolicyEngine/spm-calculator•88 issues in PolicyEngine/spm-calculator•11 pull request in PolicyEngine/spm-calculator•Updated Nov 2, 2026Nov 2, 2026

• policyengine-taxsim

  Public
  TAXSIM emulator using the PolicyEngine US federal and state tax calculator

  Python

  •

  MIT License

  •1010 forks in PolicyEngine/policyengine-taxsim•1818 stars in PolicyEngine/policyengine-taxsim•104104 issues in PolicyEngine/policyengine-taxsim•2121 pull requests in PolicyEngine/policyengine-taxsim•Updated Nov 2, 2026Nov 2, 2026

• policyengine-household-api

  Public
  Python

  •

  GNU Affero General Public License v3.0

  •44 forks in PolicyEngine/policyengine-household-api•11 star in PolicyEngine/policyengine-household-api•1717 issues in PolicyEngine/policyengine-household-api•55 pull requests in PolicyEngine/policyengine-household-api•Updated Nov 2, 2026Nov 2, 2026

• calibration-diagnostics

  Public
  TypeScript

  •55 forks in PolicyEngine/calibration-diagnostics•00 stars in PolicyEngine/calibration-diagnostics•2020 issues in PolicyEngine/calibration-diagnostics•77 pull requests in PolicyEngine/calibration-diagnostics•Updated Nov 2, 2026Nov 2, 2026

• child-poverty-impact-dashboard

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

  TypeScript

  •

  MIT License

  •11 fork in PolicyEngine/child-poverty-impact-dashboard•00 stars in PolicyEngine/child-poverty-impact-dashboard•33 issues in PolicyEngine/child-poverty-impact-dashboard•11 pull request in PolicyEngine/child-poverty-impact-dashboard•Updated Nov 2, 2026Nov 2, 2026

• policyengine-api

  Public
  PolicyEngine's REST API for computing policy impacts.

  Python

  •

  GNU Affero General Public License v3.0

  •3333 forks in PolicyEngine/policyengine-api•1818 stars in PolicyEngine/policyengine-api•110110 issues in PolicyEngine/policyengine-api•2424 pull requests in PolicyEngine/policyengine-api•Updated Nov 2, 2026Nov 2, 2026

• policyengine-uk-chat

  Public
  UK tax and benefit policy chat assistant powered by PolicyEngine. Docs: https://policyengine.github.io/policyengine-uk-chat/

  Python

  •11 fork in PolicyEngine/policyengine-uk-chat•11 star in PolicyEngine/policyengine-uk-chat•2424 issues in PolicyEngine/policyengine-uk-chat•6161 pull requests in PolicyEngine/policyengine-uk-chat•Updated Nov 2, 2026Nov 2, 2026

• uk-cgt-reform

  Public
  PolicyEngine analysis of reforms to UK capital gains tax rates: equalisation with income tax rates, plus a live explorer for any rate schedule

  JavaScript

  •00 forks in PolicyEngine/uk-cgt-reform•00 stars in PolicyEngine/uk-cgt-reform•44 issues in PolicyEngine/uk-cgt-reform•33 pull requests in PolicyEngine/uk-cgt-reform•Updated Nov 2, 2026Nov 2, 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 in PolicyEngine/policyengine-app-v2•11 star in PolicyEngine/policyengine-app-v2•106106 issues in PolicyEngine/policyengine-app-v2•5151 pull requests in PolicyEngine/policyengine-app-v2•Updated Nov 2, 2026Nov 2, 2026

• policyengine-sim-api

  Public
  Python

  •

  GNU Affero General Public License v3.0

  •11 fork in PolicyEngine/policyengine-sim-api•11 star in PolicyEngine/policyengine-sim-api•7272 issues in PolicyEngine/policyengine-sim-api•1919 pull requests in PolicyEngine/policyengine-sim-api•Updated Nov 2, 2026Nov 2, 2026

• microcosm-emitter

  Public
  Microcosm local emitter with required telemetry support

  Python

  •

  MIT License

  •00 forks in PolicyEngine/microcosm-emitter•00 stars in PolicyEngine/microcosm-emitter•66 issues in PolicyEngine/microcosm-emitter•88 pull requests in PolicyEngine/microcosm-emitter•Updated Nov 2, 2026Nov 2, 2026

• policyengine-scorecard

  Public
  Scorecard comparing PolicyEngine/Populace estimates against external analyses — instance 1: Urban Institute's State of the Safety Net

  Python

  •00 forks in PolicyEngine/policyengine-scorecard•00 stars in PolicyEngine/policyengine-scorecard•4343 issues in PolicyEngine/policyengine-scorecard•88 pull requests in PolicyEngine/policyengine-scorecard•Updated Nov 2, 2026Nov 2, 2026

• policyengine.py

  Public
  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

  •1010 forks in PolicyEngine/policyengine.py•88 stars in PolicyEngine/policyengine.py•6363 issues in PolicyEngine/policyengine.py•3232 pull requests in PolicyEngine/policyengine.py•Updated Nov 2, 2026Nov 2, 2026

• policyengine-skills

  Public
  Portable PolicyEngine skills and Claude wrapper source

  Python

  •

  MIT License

  •22 forks in PolicyEngine/policyengine-skills•00 stars in PolicyEngine/policyengine-skills•55 issues in PolicyEngine/policyengine-skills•77 pull requests in PolicyEngine/policyengine-skills•Updated Nov 2, 2026Nov 2, 2026

• policyengine-uk-data

  Public
  Repository creating UK microdata.

  Python

  •33 forks in PolicyEngine/policyengine-uk-data•11 star in PolicyEngine/policyengine-uk-data•7575 issues in PolicyEngine/policyengine-uk-data•3838 pull requests in PolicyEngine/policyengine-uk-data•Updated Nov 2, 2026Nov 2, 2026

• uk-childcare-100k-threshold

  Public
  PolicyEngine UK analysis: removing the £100,000 income limit on 30 funded childcare hours and Tax-Free Childcare (Conservative proposal, Oct 2026)

  Python

  •00 forks in PolicyEngine/uk-childcare-100k-threshold•00 stars in PolicyEngine/uk-childcare-100k-threshold•22 issues in PolicyEngine/uk-childcare-100k-threshold•11 pull request in PolicyEngine/uk-childcare-100k-threshold•Updated Nov 2, 2026Nov 2, 2026

• analysis-notebooks

  Public
  Notebooks for policy analysis using PolicyEngine software

  Jupyter Notebook

  •66 forks in PolicyEngine/analysis-notebooks•22 stars in PolicyEngine/analysis-notebooks•44 issues in PolicyEngine/analysis-notebooks•4242 pull requests in PolicyEngine/analysis-notebooks•Updated Nov 2, 2026Nov 2, 2026

• microcosm-collector

  Public
  Microcosm collector: authenticated build telemetry ingestion and read API on Cloud Run

  Python

  •

  MIT License

  •00 forks in PolicyEngine/microcosm-collector•00 stars in PolicyEngine/microcosm-collector•44 issues in PolicyEngine/microcosm-collector•44 pull requests in PolicyEngine/microcosm-collector•Updated Nov 2, 2026Nov 2, 2026

• california-wealth-tax

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

  HTML

  •

  MIT License

  •00 forks in PolicyEngine/california-wealth-tax•00 stars in PolicyEngine/california-wealth-tax•11 issue in PolicyEngine/california-wealth-tax•11 pull request in PolicyEngine/california-wealth-tax•Updated Nov 2, 2026Nov 2, 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

  •3030 forks in PolicyEngine/policyengine-core•2222 stars in PolicyEngine/policyengine-core•111111 issues in PolicyEngine/policyengine-core•1818 pull requests in PolicyEngine/policyengine-core•Updated Nov 2, 2026Nov 2, 2026

• macro

  Public
  PolicyEngine Macro — open macroeconomic models for scoring public policy: overlapping-generations general equilibrium, the OBR macroeconometric emulator, and th…

  HTML

  •00 forks in PolicyEngine/macro•33 stars in PolicyEngine/macro•22 issues in PolicyEngine/macro•11 pull request in PolicyEngine/macro•Updated Nov 2, 2026Nov 2, 2026

• github-wrapped

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

  JavaScript

  •

  MIT License

  •00 forks in PolicyEngine/github-wrapped•00 stars in PolicyEngine/github-wrapped•00 issues in PolicyEngine/github-wrapped•00 pull requests in PolicyEngine/github-wrapped•Updated Nov 2, 2026Nov 2, 2026

• policyengine-ads-dashboard

  Public
  Public transparency dashboard for PolicyEngine advertising performance

  JavaScript

  •00 forks in PolicyEngine/policyengine-ads-dashboard•00 stars in PolicyEngine/policyengine-ads-dashboard•11 issue in PolicyEngine/policyengine-ads-dashboard•11 pull request in PolicyEngine/policyengine-ads-dashboard•Updated Nov 2, 2026Nov 2, 2026