---
name: thailand-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: TH
  category: tax
  quality: source-cited draft
  openaccountants_url: "https://openaccountants.com/skills/thailand-references"
  obligation: OTHER
---

# Thailand — 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. All projects below have compatible licenses.

## ThaiTaxCalculator

- Repository: [ratanon97/ThaiTaxCalculator](https://github.com/ratanon97/ThaiTaxCalculator)
- License: check
- Language: Thai
- Scope: Next.js personal income tax calculator with rule-driven JSON config. Includes Thai language interface and retirement investment optimization features.
- Integration: Rule-driven JSON configuration and PIT bracket logic useful as validation reference.

## laravel-thai-tax

- Repository: [anurat/laravel-thai-tax](https://github.com/anurat/laravel-thai-tax)
- License: MIT
- Language: English / Thai
- Scope: Laravel package for Thai personal income tax calculation. Simple API: `ThaiTax::netIncome(500000)->incomeTax()`. Computes PIT from net income using progressive rate tables.
- Integration: MIT. Tax computation logic and rate tables directly usable with attribution.

## thai_tax (ERPNext)

- Repository: [kittiu/thai_tax](https://github.com/kittiu/thai_tax)
- License: check
- Language: English / Thai
- Scope: Thai tax module for ERPNext covering sales tax, purchase tax, withholding tax (PND3, PND53), and withholding tax certificate generation.
- Integration: Reference for withholding tax logic and Thai tax document workflows (PND3/PND53 forms).

## thai-tax-refund

- Repository: [kittinan/thai-tax-refund](https://github.com/kittinan/thai-tax-refund)
- License: check
- Language: Thai
- Scope: Python tool to check Thai tax refund status from the Revenue Department (กรมสรรพากร).
- Integration: Reference for Revenue Department API interaction and refund status workflows.

---

_Source: [OpenAccountants](https://openaccountants.com/skills/thailand-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`)._