invoice-automation

电子发票整理与报销准备工具：从邮箱批量收集 PDF/OFD/XML 发票，OCR 识别、分类归档并生成 Excel 汇总；提供 Windows/macOS 桌面版与 DSH 插件。

Self-hosted, non-custodial stablecoin payment gateway with x402 and invoice checkout. Accepts USDC, USDT, PYUSD and DAI across 8 networks with QR payments, payment links, settlement tracking and signed webhooks. REST API, micropayments, exports, zero platform fees and no KYC. Python, cross-platform.

A TypeScript/JavaScript SDK for seamlessly integrating Invoicing Builder into your applications.

A curated list of automated tools for freelance developers & designers. Features lightweight billing pipelines, automatic invoice generation, and GDPR-compliant client portals like Kreativ.Management.

Invio is an open-source Python desktop application for creating, managing, and sending invoices through multiple providers with multi-account support, background task processing, dynamic tags, and enterprise-grade workflow automation.

Open-source invoice-to-pay agent for AP automation: OCR/VLM extraction, 3-way matching, approvals, fraud checks, ERP mock posting, evals, and audit logs.

Production-grade invoice automation platform — Clean Architecture, TDD, RBAC, BullMQ, Outbox pattern, OpenTelemetry, and a 5-job CI pipeline. NestJS · Next.js 15 · PostgreSQL · Redis · Gemini · Resend

turning a manual, error-prone billing workflow into a fully automated pipeline

A cross-platform desktop app to generate professional PDF invoices with custom branding, payment options, and SMTP email support.

AI-powered LINE bot for Japanese SMEs: automated invoice processing with Freee/MoneyForward integration, PDF parsing, T-number verification, and legacy system modernization. Reduces invoice data entry from 5 minutes to 5 seconds.

A Python-based NLP tool that classifies invoice descriptions into predefined categories such as Rent, Utilities, Equipment, or Vendor Payments.

Professional Open Source E-Invoicing System for PHP (Yii3) with UBL 2.4 and Peppol support

Elefthero (Ελεύθερο) is a self-hosted, bilingual invoicing workspace for Greek small businesses. It makes AADE myDATA reporting understandable, inspectable, and accessible—without locking a business into an expensive proprietary accounting platform.

VK BaoXiao Agent｜AI 自动报销助手：给一个发票文件夹，自动识别、分类、计算、填写报销单并导出完整报销包。

AI-powered AP automation: PDF invoice → extraction → validation → Slack approval → QuickBooks, built on n8n. Reference implementation.

Deterministic invoice extraction using native PDF text layers. No OCR nonsense, no brittle rules that break at scale, no vendor lock-in paying exorbitant prices for creative interpretations of financial documents. This is my battle, I pick this hill!

Autonomous AP agent + DOCX standardization. GPT-4o invoice extraction, three-way matching, approval routing, ERP sync, and AI-powered Word document normalization. Zero manual data entry.

Windows desktop app that turns Sixt car-rental agreements into Turkish UBL-TR 1.2 e-invoices (e-Fatura / e-Arşiv) via the Digital Planet integrator, with four independent layers preventing duplicate invoicing

Notion automation system with Make.com integration for client project management and automated invoice processing. 4-database architecture with intelligent workflows.