---
name: australia-references
description: Primary source references and related open-source projects for this jurisdiction.
license: AGPL-3.0-or-later (code) / OpenAccountants Guide License v1.0 (content)
metadata:
  source: openaccountants
  jurisdiction: AU
  category: tax
  quality: source-cited draft
  openaccountants_url: "https://openaccountants.com/skills/australia-references"
  obligation: OTHER
---

# Australia — Related Open-Source Projects

> **General reference only.** This skill is general tax/accounting reference material for AI-assisted workflows. It has not been reviewed for any specific person's facts, documents, elections, deadlines, residency, filing status, or local procedures. Do not rely on it to file, pay, amend, or take a tax position without review by a qualified professional in the relevant jurisdiction.

OpenAccountants is AGPL-3.0. MIT, Apache-2.0, GPL-3.0, and AGPL-3.0 content can all be incorporated with attribution. Projects below are license-compatible unless noted otherwise.

## PolicyEngine Australia

- Repository: [PolicyEngine/policyengine-au](https://github.com/PolicyEngine/policyengine-au)
- License: AGPL-3.0
- Language: English
- Scope: Full Australian tax-benefit microsimulation model covering personal income tax, Medicare levy, HECS-HELP repayment thresholds, and superannuation rules.
- Why it matters: Comprehensive, actively maintained microsimulation with detailed modelling of Australian tax and transfer policy. Strong validation source for PIT brackets, offsets, and levy calculations.
- Integration approach:
  - AGPL-3.0 is the same license family as OpenAccountants. Content can be incorporated with attribution.
  - Use as a validation reference for income tax brackets, Medicare levy surcharge thresholds, HECS-HELP repayment rates, and superannuation contribution caps.

## Aussie Tax Helper

- Repository: [kazimurtaza/aussie-tax-helper](https://github.com/kazimurtaza/aussie-tax-helper)
- License: Apache-2.0
- Stars: 6
- Language: English
- Scope: ATO 2024-25 tax calculator with work-from-home deduction comparison (Fixed Rate method vs Actual Cost method).
- Why it matters: Practical focus on the WFH deduction methods that are a common pain point for individual filers. Apache-2.0 is license-compatible.
- Integration approach:
  - Reference for WFH deduction logic and ATO rate tables.
  - Apache-2.0 permits incorporation with attribution.

## Quick Tax Calc

- Repository: [zorfling/quick-tax-calc](https://github.com/zorfling/quick-tax-calc)
- License: verify before reuse
- Language: English
- Scope: ATO individual tax rates calculator.
- Why it matters: Lightweight reference for Australian individual income tax rate schedules.
- Integration approach:
  - Reference for tax bracket calculations and rate verification against ATO published tables.
  - Treat as reference-only until the license is confirmed.

---

_Source: [OpenAccountants](https://openaccountants.com/skills/australia-references) — open tax Guides for AI, reviewed by named CPAs/CAs/EAs. Quality: **source-cited draft**. For always-current figures and named-accountant backing, connect the OpenAccountants MCP server (`openaccountants-mcp`)._