Repositories list

• 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•2020 issues in PolicyEngine/uk-autumn-budget-dashboard-2026•2727 pull requests in PolicyEngine/uk-autumn-budget-dashboard-2026•Updated Oct 29, 2026Oct 29, 2026

• uk-autumn-budget-2026-policies-explained

  Public

  PolicyEngine/uk-autumn-budget-2026-policies-explained’s past year of commit activity
  PolicyEngine's post-Budget briefing: what the UK Autumn Budget 2026 did with each measure, with our estimates beside the OBR's costings

  Python

  •00 forks in PolicyEngine/uk-autumn-budget-2026-policies-explained•00 stars in PolicyEngine/uk-autumn-budget-2026-policies-explained•00 issues in PolicyEngine/uk-autumn-budget-2026-policies-explained•11 pull request in PolicyEngine/uk-autumn-budget-2026-policies-explained•Updated Oct 29, 2026Oct 29, 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 Oct 29, 2026Oct 29, 2026

• newsletters

  Public

  PolicyEngine/newsletters’s past year of commit activity
  Newsletters

  HTML

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  GNU Affero General Public License v3.0

  •11 fork in PolicyEngine/newsletters•00 stars in PolicyEngine/newsletters•00 issues in PolicyEngine/newsletters•1515 pull requests in PolicyEngine/newsletters•Updated Oct 29, 2026Oct 29, 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•227227 issues in PolicyEngine/policyengine-uk•4747 pull requests in PolicyEngine/policyengine-uk•Updated Oct 29, 2026Oct 29, 2026

• policyengine-uk-data

  Public

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

  Python

  •33 forks in PolicyEngine/policyengine-uk-data•11 star in PolicyEngine/policyengine-uk-data•7474 issues in PolicyEngine/policyengine-uk-data•3838 pull requests in PolicyEngine/policyengine-uk-data•Updated Oct 29, 2026Oct 29, 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•108108 issues in PolicyEngine/policyengine-app-v2•5050 pull requests in PolicyEngine/policyengine-app-v2•Updated Oct 29, 2026Oct 29, 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•314314 issues in PolicyEngine/microcosm•134134 pull requests in PolicyEngine/microcosm•Updated Oct 29, 2026Oct 29, 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

  •1010 forks in PolicyEngine/policyengine.py•88 stars in PolicyEngine/policyengine.py•6161 issues in PolicyEngine/policyengine.py•3030 pull requests in PolicyEngine/policyengine.py•Updated Oct 29, 2026Oct 29, 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

  •217217 forks in PolicyEngine/policyengine-us•170170 stars in PolicyEngine/policyengine-us•923923 issues in PolicyEngine/policyengine-us•192192 pull requests in PolicyEngine/policyengine-us•Updated Oct 29, 2026Oct 29, 2026

• policyengine-household-api

  Public

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

  •

  GNU Affero General Public License v3.0

  •44 forks in PolicyEngine/policyengine-household-api•11 star in PolicyEngine/policyengine-household-api•1515 issues in PolicyEngine/policyengine-household-api•22 pull requests in PolicyEngine/policyengine-household-api•Updated Oct 29, 2026Oct 29, 2026

• policyengine-social

  Public
  Automated social media posting for PolicyEngine blog articles

  Python

  •00 forks in PolicyEngine/policyengine-social•00 stars in PolicyEngine/policyengine-social•11 issue in PolicyEngine/policyengine-social•00 pull requests in PolicyEngine/policyengine-social•Updated Oct 29, 2026Oct 29, 2026

• uk-triple-lock

  Public
  State Pension triple lock vs the Prime Minister's April 2030 plan and alternatives: cost, distribution and forecast uncertainty (PolicyEngine UK).

  Python

  •

  GNU Affero General Public License v3.0

  •00 forks in PolicyEngine/uk-triple-lock•00 stars in PolicyEngine/uk-triple-lock•88 issues in PolicyEngine/uk-triple-lock•22 pull requests in PolicyEngine/uk-triple-lock•Updated Oct 28, 2026Oct 28, 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•8989 issues in PolicyEngine/policyengine-taxsim•2323 pull requests in PolicyEngine/policyengine-taxsim•Updated Oct 28, 2026Oct 28, 2026

• policyengine-slides

  Public
  Monorepo for PolicyEngine presentation slide decks

  TypeScript

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  MIT License

  •22 forks in PolicyEngine/policyengine-slides•00 stars in PolicyEngine/policyengine-slides•00 issues in PolicyEngine/policyengine-slides•11 pull request in PolicyEngine/policyengine-slides•Updated Oct 28, 2026Oct 28, 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•7676 issues in PolicyEngine/policyengine-sim-api•2828 pull requests in PolicyEngine/policyengine-sim-api•Updated Oct 28, 2026Oct 28, 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•115115 issues in PolicyEngine/policyengine-api•3737 pull requests in PolicyEngine/policyengine-api•Updated Oct 28, 2026Oct 28, 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•2626 pull requests in PolicyEngine/policybench•Updated Oct 28, 2026Oct 28, 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•66 pull requests in PolicyEngine/policyengine-skills•Updated Oct 28, 2026Oct 28, 2026

• policyengine-claude

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

  Python

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  MIT License

  •66 forks in PolicyEngine/policyengine-claude•3131 stars in PolicyEngine/policyengine-claude•33 issues in PolicyEngine/policyengine-claude•2525 pull requests in PolicyEngine/policyengine-claude•Updated Oct 28, 2026Oct 28, 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•33 issues in PolicyEngine/microcosm-emitter•55 pull requests in PolicyEngine/microcosm-emitter•Updated Oct 28, 2026Oct 28, 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 Oct 28, 2026Oct 28, 2026

• ballot-measures-2026

  Public
  Colorado Initiative 195 (Amendment 87) graduated income tax dashboard — household, statewide, and congressional district impacts

  TypeScript

  •00 forks in PolicyEngine/ballot-measures-2026•00 stars in PolicyEngine/ballot-measures-2026•00 issues in PolicyEngine/ballot-measures-2026•00 pull requests in PolicyEngine/ballot-measures-2026•Updated Oct 28, 2026Oct 28, 2026

• uk-isa-allowance

  Public
  PolicyEngine analysis of who pays in the full UK ISA allowance, and whom a £12,000 cash ISA limit would bind, from HMRC's ISA statistics

  Python

  •

  GNU Affero General Public License v3.0

  •00 forks in PolicyEngine/uk-isa-allowance•00 stars in PolicyEngine/uk-isa-allowance•11 issue in PolicyEngine/uk-isa-allowance•11 pull request in PolicyEngine/uk-isa-allowance•Updated Oct 28, 2026Oct 28, 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•4141 issues in PolicyEngine/policyengine-scorecard•1010 pull requests in PolicyEngine/policyengine-scorecard•Updated Oct 28, 2026Oct 28, 2026

• calibration-diagnostics

  Public
  TypeScript

  •55 forks in PolicyEngine/calibration-diagnostics•00 stars in PolicyEngine/calibration-diagnostics•1919 issues in PolicyEngine/calibration-diagnostics•66 pull requests in PolicyEngine/calibration-diagnostics•Updated Oct 28, 2026Oct 28, 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•33 issues in PolicyEngine/macro•22 pull requests in PolicyEngine/macro•Updated Oct 28, 2026Oct 28, 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•22 issues in PolicyEngine/child-poverty-impact-dashboard•11 pull request in PolicyEngine/child-poverty-impact-dashboard•Updated Oct 28, 2026Oct 28, 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•00 issues in PolicyEngine/california-wealth-tax•11 pull request in PolicyEngine/california-wealth-tax•Updated Oct 28, 2026Oct 28, 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•00 issues in PolicyEngine/policyengine-ads-dashboard•11 pull request in PolicyEngine/policyengine-ads-dashboard•Updated Oct 28, 2026Oct 28, 2026