Invoicing Python Packages

drafthorse

Pure-python ZUGFeRD implementation

horizonpay-invoice-ai

Official Invoice-AI SDKs (TypeScript, Python) and CLI

pycheval

Factur-X/ZUGFeRD parsing and generation library for Python

celerp

Downloadable, self-hosted desktop ERP for business operations. Modular, source-available core, MIT modules, no cloud required.

django-crm

Open Source CRM for Startups and enterprises. Django + SvelteKit · Self-hosted · Multi-tenant · Free forever

fiscalrail

Python SDK for the FiscalRail invoicing API

benethos-lexware-office-mcp

Unofficial MCP server for the Lexware Office accounting API — runs over stdio or HTTP.

django-afip

⚖️ AFIP invoice integration for django.

billwright

QR invoices and matching year-end accounts: tell a coding agent about your company once, get PDFs for your client and the tax office. No subscription, no account, no server.

invoicetronic-sdk

Python SDK for the Invoicetronic API

pretix-pt-invoicing

Issue AT-certified invoice-receipts via Fact.pt or Moloni

meteroid

Official Python SDK for Meteroid, the open-source billing platform: subscriptions, invoicing, usage-based billing and webhooks.

peil-mcp

MCP server for Peil — log hours, draft invoices and check where you stand as a Dutch freelancer, from Claude, ChatGPT or Gemini.

agent-tool-openproject-cli

Agent-ready OpenProject CLI — manage work packages, projects, time tracking & invoicing from the terminal or an AI agent. JSON output, powerful discoverable search, keyring auth.

norman-mcp-server

AI-powered bookkeeping and tax filing automation for entrepreneurs at the heart of the European economy

niiko

The Python client for the niiko actions API — one typed method per action, three outcomes, zero dependencies. Generated from the action manifest.

freelancer-payment-protection-cli

AI-native invoice collection: automated escalation, legal demand letters, and client risk scoring for freelancers

mseep-norman-mcp-server

AI-powered bookkeeping and tax filing automation for entrepreneurs at the heart of the European economy

iflow-mcp-norman-finance-norman-mcp-server

AI-powered bookkeeping and tax filing automation for entrepreneurs at the heart of the European economy

vendus

Unofficial Python SDK for the Vendus invoicing & POS API (Portugal/Spain) — issue invoices (FT), simplified invoices (FS), invoice-receipts (FR), receipts (RG) and credit notes (NC). Typed, sync + async; AT-certified faturação.

wefact-mcp

MCP server for WeFact — let Claude (Desktop, Code, Cursor) read and modify your WeFact administration via natural language.

fakturoid-sdk

Async Python SDK for Fakturoid API v3 — OAuth2, invoices, payments, corrections, expenses, inventory, and PDF readiness handling.

ksef-utils

KSeF Python client for creating invoices

ngtaxkit

Nigerian tax compliance SDK for TypeScript and Python. VAT, PAYE, WHT, Pension, Payroll — NTA 2025 compliant. Zero dependencies.