tax

💰 Billing & Payments knowledge for cloud platforms

Crypto-currency tax calculator with support for all popular wallets, exchanges, explorers and migration from other crypto tax platforms

Privacy-focused, free, open-source cryptocurrency tax calculator for multiple countries: it handles multiple coins/exchanges and computes long/short-term capital gains, cost bases, in/out lot relationships/fractioning, and account balances. It supports FIFO, LIFO, HIFO and it outputs in form 8949 format. It has a programmable plugin architecture

Factura Electrónica AFIP y otros servicios web (proyecto software libre) — Interfases, tools and apps for Argentina's gov't. webservices (soap, com/dll simil-ocx, pdf, dbf, xml, json, etc.) #python

Open-source Tax Guides for AI agents, reviewed by named CPAs/CAs/EAs. 1,000+ Guides across 190+ jurisdictions. MCP server included. Works with Claude, ChatGPT, Cursor.

💰 International sales tax calculator for Node (offline, but provides optional online VAT number fraud check). Tax rates are kept up-to-date.

Servidor MCP fiscal brasileiro: CNPJ, NF-e, NFS-e, CT-e, SPED, eSocial, Simples Nacional, Reforma 2026. 44 tools, zero-cadastro, tabelas offline. Python.

A tax calculator for stocks and dividends activities.

GitHub Sponsorsの確定申告手順

Calculate your taxes from cryptocurrency gains

The PolicyEngine US Python package contains a rules engine of the US tax-benefit system, and microdata generation for microsimulation analysis.

ERPNext application for Switzerland-specific use cases

💸 {Digital,Cloud,Electronic,Online} Services VAT Rate Database

💰 A simple and clean PHP library that validates EU VAT registration numbers against the central ec.europa.eu database (using the official europa API) 🇪🇺

CA property tax visualization

An implementation of Saudi Arabia ZATCA's E-Invoicing requirements, processes, and standards in TypeScript.

한국 스타트업, 1인 법인, 프리랜서, 개인 사업자를 위한 장부 자동 생성 Claude Code 스킬. 카드명세서 PDF·은행 CSV → 재무제표·세무사 전달 CSV 자동 생성. Level 2 민감정보 마스킹 적용.

DaLI (Data Loader Interface) is a data loader and input generator for RP2 (https://pypi.org/project/rp2), the privacy-focused, free, open-source cryptocurrency tax calculator: DaLI removes the need to manually prepare RP2 input files. Just like RP2, DaLI is also free, open-source and it prioritizes user privacy.

A set of interfaces and methods to clean up your application's tax calculations

Official XSD from the Government of Angola for use in SAF-T AO