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    • policyengine-api-v2

      Public
      Python
      GNU Affero General Public License v3.0
      11455Updated Apr 10, 2026Apr 10, 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.
      Python
      GNU Affero General Public License v3.0
      2061401.1k79Updated Apr 10, 2026Apr 10, 2026
    • policyengine-us-data

      Public
      A package to create representative microdata for PolicyEngine US.
      Python
      10210116Updated Apr 10, 2026Apr 10, 2026
    • policyengine-api

      Public
      PolicyEngine's REST API for computing policy impacts.
      Python
      GNU Affero General Public License v3.0
      341711547Updated Apr 10, 2026Apr 10, 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
      3113422Updated Apr 10, 2026Apr 10, 2026
    • Monorepo for PolicyEngine presentation slide decks
      TypeScript
      0001Updated Apr 10, 2026Apr 10, 2026
    • policyengine-uk-rust

      Public
      High-performance UK tax-benefit microsimulation engine in Rust
      Rust
      0011Updated Apr 10, 2026Apr 10, 2026
    • california-wealth-tax

      Public
      Interactive tool analyzing fiscal impacts of California's proposed billionaire wealth tax under varying assumptions
      HTML
      0000Updated Apr 10, 2026Apr 10, 2026
    • policyengine-api-v2-alpha

      Public
      Testing out a reduced APIv2 as a middle ground
      Python
      001163Updated Apr 10, 2026Apr 10, 2026
    • liheap-repeal-dashboard

      Public
      Impact dashboard for federal LIHEAP repeal (DC, MA, IL)
      TypeScript
      0000Updated Apr 9, 2026Apr 9, 2026
    • Python
      MIT License
      0000Updated Apr 9, 2026Apr 9, 2026
    • A home for code snippets and fragments relevant to the team
      Python
      MIT License
      1021Updated Apr 9, 2026Apr 9, 2026
    • PolicyEngine dashboard for the Working Parents Tax Relief Act of 2026
      TypeScript
      0000Updated Apr 9, 2026Apr 9, 2026
    • PolicyEngine's main user-facing Python package, incorporating country packages and integrating data visualization and analytics.
      Python
      GNU Affero General Public License v3.0
      85104Updated Apr 9, 2026Apr 9, 2026
    • UK tax and benefit policy chat assistant powered by PolicyEngine and Claude
      TypeScript
      0100Updated Apr 9, 2026Apr 9, 2026
    • PolicyEngine UI kit — design tokens, Tailwind CSS v4 theme, and React components for dashboards and calculators
      TypeScript
      1023Updated Apr 9, 2026Apr 9, 2026
    • TypeScript
      0000Updated Apr 9, 2026Apr 9, 2026
    • Dashboard showing the impacts of state EITCs and CTCs
      HTML
      1012Updated Apr 8, 2026Apr 8, 2026
    • Python
      GNU Affero General Public License v3.0
      31205Updated Apr 8, 2026Apr 8, 2026
    • Interactive dashboard and inventory summarizing improvements to policyengine-us and policyengine-us-data since January 1, 2026
      JavaScript
      0000Updated Apr 8, 2026Apr 8, 2026
    • TypeScript
      1014Updated Apr 8, 2026Apr 8, 2026
    • Interactive calculator for the Aspen ESG EITC & CTC reform proposal
      TypeScript
      0000Updated Apr 8, 2026Apr 8, 2026
    • NICs exemption for recently-inactive employees — microsimulation dashboard
      JavaScript
      0000Updated Apr 8, 2026Apr 8, 2026
    • TypeScript
      0000Updated Apr 8, 2026Apr 8, 2026
    • An open-source static tax-benefit microsimulation model for the UK.
      Python
      GNU Affero General Public License v3.0
      31381994Updated Apr 7, 2026Apr 7, 2026
    • Official Claude Code plugin for PolicyEngine development - agents, commands, and skills for tax/benefit microsimulation
      Python
      MIT License
      52825Updated Apr 7, 2026Apr 7, 2026
    • Portable PolicyEngine skills and Claude wrapper source
      Python
      MIT License
      1001Updated Apr 7, 2026Apr 7, 2026
    • Newsletters
      HTML
      GNU Affero General Public License v3.0
      1002Updated Apr 7, 2026Apr 7, 2026
    • 0000Updated Apr 7, 2026Apr 7, 2026
    • Interactive analysis of the UK Spring Statement 2026 household impact
      JavaScript
      0001Updated Apr 6, 2026Apr 6, 2026
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