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    270 repositories

    • qbi-visualizer

      Public
      Qualified Business Income Deduction (§199A) calculator and implementation visualizer powered by PolicyEngine US
      TypeScript
      •0•0•0•0•Updated May 5, 2026May 5, 2026

    • policyengine-api-v2

      Public
      Python
      •
      GNU Affero General Public License v3.0
      •1•1•50•6•Updated May 5, 2026May 5, 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
      pythontaxpolicyeconomicsunited-statespublic-policyinequalitypovertyeconomic-policy
      Python
      •
      GNU Affero General Public License v3.0
      •207•144•1.1k•39•Updated May 5, 2026May 5, 2026

    • policyengine-us-data

      Public
      A package to create representative microdata for PolicyEngine US.
      Python
      •11•2•114•23•Updated May 4, 2026May 4, 2026

    • taxsim-emulator-demo-day-slides

      Public
      Demo day slide deck for the PolicyEngine TAXSIM Emulator
      TypeScript
      •0•0•0•0•Updated May 4, 2026May 4, 2026

    • newsletters

      Public
      Newsletters
      HTML
      •
      GNU Affero General Public License v3.0
      •1•0•0•4•Updated May 4, 2026May 4, 2026

    • policyengine-api

      Public
      PolicyEngine's REST API for computing policy impacts.
      Python
      •
      GNU Affero General Public License v3.0
      •34•17•128•144•Updated May 4, 2026May 4, 2026

    • policyengine-api-v2-alpha

      Public
      Testing out a reduced APIv2 as a middle ground
      Python
      •0•0•14•157•Updated May 4, 2026May 4, 2026

    • south-carolina-2026-tax-changes

      Public
      PolicyEngine dashboard for South Carolina's 2026 tax changes (H.4216)
      TypeScript
      •0•0•0•0•Updated May 4, 2026May 4, 2026

    • Coverage-Compass

      Public
      TypeScript
      •0•0•0•0•Updated May 4, 2026May 4, 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•152•31•Updated May 4, 2026May 4, 2026

    • nc-stein-2027-tax-proposals

      Public
      Dashboard for NC Gov. Josh Stein's FY2026-27 Budget tax proposals
      TypeScript
      •0•0•0•0•Updated May 4, 2026May 4, 2026

    • policyengine-uk

      Public
      An open-source static tax-benefit microsimulation model for the UK.
      pythonunited-kingdomtax
      pythonunited-kingdomtaxpolicyeconomicspublic-policyinequalitypovertypsl-catalogedeconomic-policy
      Python
      •
      GNU Affero General Public License v3.0
      •32•42•145•3•Updated May 4, 2026May 4, 2026

    • wv-sb392-tax-cut

      Public
      Dashboard modeling West Virginia's SB 392 (2026) income tax rate cut
      TypeScript
      •0•0•0•0•Updated May 4, 2026May 4, 2026

    • nj-ctc-eitc-expansion

      Public
      Dashboard modeling the NJ Cash Alliance coalition's CTC + EITC expansion proposal
      TypeScript
      •0•0•0•0•Updated May 4, 2026May 4, 2026

    • policyengine-core

      Public
      Core microsimulation engine for PolicyEngine models. Forked from OpenFisca-Core.
      frameworktaxmicrosimulation
      frameworktaxmicrosimulationbenefit
      Python
      •
      GNU Affero General Public License v3.0
      •27•17•107•2•Updated May 4, 2026May 4, 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
      •8•5•25•15•Updated May 4, 2026May 4, 2026

    • policyengine-uk-data

      Public
      Repository creating UK microdata.
      Python
      •2•1•26•9•Updated May 4, 2026May 4, 2026

    • missouri-income-tax-elimination

      Public
      PolicyEngine dashboard exploring paths to eliminate Missouri's state income tax (HJR 173 & 174)
      TypeScript
      •0•0•0•1•Updated May 4, 2026May 4, 2026

    • cliff-watch

      Public
      JavaScript
      •
      MIT License
      •0•0•1•1•Updated May 4, 2026May 4, 2026

    • california-wealth-tax

      Public
      Interactive tool analyzing fiscal impacts of California's proposed billionaire wealth tax under varying assumptions
      HTML
      •0•0•0•0•Updated May 4, 2026May 4, 2026

    • github-wrapped

      Public
      Year in Code: PolicyEngine team GitHub activity for self-reviews
      JavaScript
      •0•0•0•0•Updated May 4, 2026May 4, 2026

    • policyengine-ads-dashboard

      Public
      Public transparency dashboard for PolicyEngine advertising performance
      JavaScript
      •0•0•0•0•Updated May 4, 2026May 4, 2026

    • council-tax-ctr-map

      Public
      TypeScript
      •0•0•0•0•Updated May 4, 2026May 4, 2026

    • policyengine-slides

      Public
      Monorepo for PolicyEngine presentation slide decks
      TypeScript
      •0•0•0•1•Updated May 3, 2026May 3, 2026

    • policyengine-ui-kit

      Public
      PolicyEngine UI kit — design tokens, Tailwind CSS v4 theme, and React components for dashboards and calculators
      TypeScript
      •1•0•2•3•Updated May 3, 2026May 3, 2026

    • policyengine-taxsim

      Public
      TAXSIM emulator using the PolicyEngine US federal and state tax calculator
      Python
      •
      MIT License
      •9•11•59•3•Updated May 3, 2026May 3, 2026

    • policybench

      Public
      LLM benchmark for public policy
      Python
      •
      The Unlicense
      •3•0•2•3•Updated May 2, 2026May 2, 2026

    • policyengine-model

      Public
      TypeScript
      •1•0•1•4•Updated May 1, 2026May 1, 2026

    • policyengine-bundles

      Public
      Testing scaffold for immutable PolicyEngine bundle manifests, locks, constraints, and validation reports.
      Python
      •0•0•0•0•Updated May 1, 2026May 1, 2026
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