Open Source Tax Software.
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Self-hosted AI accounting app. LLM analyzer for receipts, invoices, transactions with custom prompts and categories
A portfolio tracking, analytics, accounting and management application that protects your privacy
Programming language for literate programming law specification
Handle all the hard stuff related to EU MOSS tax/vat regulations, the way it should be.
Projeto de biblioteca para fazer interface com o webservice de Nota Fiscal eletrônica para Python, disponível sob LGPL.
Crypto-currency tax calculator with support for all popular wallets, exchanges, explorers and migration from other crypto tax platforms
Open Source Java e-Invoicing library, validator and tool (Factur-X/ZUGFeRD, UNCEFACT/CII XRechnung)
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
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.
確定申告自動化 AI エージェントプラグイン — 帳簿管理から e-Tax 入力代行まで
USA Federal Individual Income and Payroll Tax Microsimulation Model
French tax and benefit system for OpenFisca
Python lib for Factur-X, the e-invoicing standard for France and Germany
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