Facturatie

Free & Open-Source Invoice Generator - No Sign-Up, No Ads, Instant PDF Export, 100% In-Browser, and Fully Customizable Templates. ⭐ Star the repo if you like it

Payment switch to make payments fast, reliable and affordable. Connect with multiple payment processors and route traffic effortlessly, all with a single API integration.

Free and Open Source ERP platform

开源优雅的跨平台收款网关 GM Pay(formerly known as EPUSDT)

Payment tracking and money splitting for groups 💸

Shopping cart in 1 file (with support for payment by card or cryptocurrency).

Render OG images and paged PDFs from JSX, HTML, and CSS. No headless browser. Runs on Node.js, Cloudflare Workers, browsers, and Rust.

Powerful tool to invoice clients online.

💰 Simple invoicing service (REST API): from JSON to PDF

Empower your payment operations with PipraPay, the free and open-source, plugin-based platform for automated payments and full workflow control.

可能是我用过的最优雅的 Alipay/WeChat/Douyin/Unipay/江苏银行 的支付 SDK 扩展包了

PHP Payment processing library. It offers everything you need to work with payments: Credit card & offsite purchasing, subscriptions, payouts etc.

Markdown for receipts. Printable digital receipts. Generate receipt printer commands and images.

QuestPDF is a modern library for PDF document generation. Its fluent C# API lets you design complex layouts with clean, readable code. Create documents using a flexible, component-based approach.

ACH implements a reader, writer, and validator for Automated Clearing House (ACH) files. The HTTP server is available in a Docker image and the Go package is available.

Rever AI - powered finance automation that elevates control, unifies systems, and enables foresight for modern CFOs.

Community Mollie API client for Node

PowerWechat是一款基于WeChat SDK for Golang，支持小程序、微信支付、企业微信、公众号等全微信生态

PHP 集成支付 SDK ，集成了支付宝、微信支付的支付接口和其它相关接口的操作。支持 php-fpm 和 Swoole，所有框架通用。宇润PHP全家桶技术支持群：17916227

The modern alternative to LaTeX. Create PDF documents templates using React, JSX, and Tailwind

Open Source Java e-Invoicing library, validator and tool (Factur-X/ZUGFeRD, UNCEFACT/CII XRechnung)

中国轨道交通数据库（非技术类） - 另一角度看地铁/ Data base of China Rail Transit (Non-tech) - Another view of Rail Transit

Node.js printing application for receipt printers, simple and easy with markdown, printer status support.

Flutter Plugin for Square In-App Payments SDK

Bypass Chromium's App-Bound Encryption via Direct Syscall-based Reflective Process Hollowing. Extract cookies, passwords, payment methods & tokens from Chrome, Edge, Brave & Avast - fileless, user-mode, no admin required.

simple laravel payment package , supports multiple drivers

Stripe Checkout & Elements for Vue.js

一套基于 现代 .NET 开发，支持跨平台、多商户的第三方支付SDK。

No more Sundays on Finance. We build the infrastructure that retrieves, processes, and routes your financial and business data to your FinOps stack, so founders can ship, not spreadsheet.

simple PHP payment package , supports multiple drivers

The ERP and CRM, multi language, for freelancers and solo entrepreneurs. Clients, Projects, Contracts, Task, Timesheet manager. Built on top of PHP, Laravel, FilamentPHP, Livewire and Sqlite.

可能是我用过的最优雅的 Alipay/WeChat/Unipay 的 laravel 支付扩展包了

Super simple PDF invoicing

Reading and Validating In App Purchase Receipt Locally.

Convenient HTML to PDF/A rendering library for Elixir based on Chrome & Ghostscript

Opensource FinTech standards & payment provider data

A lightweight StoreKit2 wrapper designed specifically for SwiftUI, making it easier to implement in-app purchases.

Accept Web3 Payments directly into your wallet peer-to-peer.

Payum offers everything you need to work with payments. From simplest use cases to very advanced ones.

Zero-maintenance and smart FOSS generating beautiful invoices for services and expenses.

Python lib for Factur-X, the e-invoicing standard for France and Germany

Invoice Ninja: Desktop/mobile admin portal built with Flutter

An open-source nodejs library support to payment with VNPay (vnpay.vn)

Modern multi-wallet machine | Detailed logging | payments capabilities - 19k installation - Laravel 10,11,12

Go SDK for integration with the Integrated Tax Administration System (SIAT).

Self-hosted app for Time Tracking, Invoice Generation, Project & Client Management, built with Laravel & Filament.

Swiss QR Bill generation in Node.js and browsers

Everything you need to add Stripe Elements to your Svelte project

Self-hosted inventory management system with sales orders, invoices, picklists, and reporting. PHP 8.x + MariaDB, offline-first, MIT-licensed.

微信支付V3支付，支持微信优惠券，代金券、商家券、公众号支付、微信小程序支付、分账、支付分、商家券、合单支付、先享卡、电商收付通等全部微信支付功能API，同时满足服务商、商户开发需求。一键集成，上手快，欢迎star。

Sophisticated ERP, CRM, Point-Of-Sale, etc. Open source now. This system is developed since 1996.

Welcome to the ultimate payment method logos repo! 🎉 We curated an extensive collection of logos and icons representing debit and credit card schemes, wallets, and alternative payment methods.

A free, open-source, integrated and extensible library which connects your web applications to online payment gateways. Gateways can be added or developed by you.

🎉 Flexible invoicing desktop app with beautiful & customizable templates.

The Project Management plugin for WordPress

Informações para quem trabalha ou quer trabalhar remoto

Faveo Invoicing is an open-source platform for SaaS billing and license management, tailored to meet the needs of software companies.

Open Source Invoicing Solution for Individuals & Businesses

Easy, cross-platform credit-card input for your React Native Project! Start accepting payment 💰 in your app today!

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

微信支付 APIv3 的官方 Java Library

个人网站即时到账收款解决方案 / Personal website instant payment solution

Web page PDF/PNG rendering done right. Self-hosted service for rendering receipts, invoices, or any content.

Mahalli - A local-first desktop invoicing and inventory app built for Moroccan B2B businesses

IJPay 让支付触手可及，封装了微信支付、QQ支付、支付宝支付、京东支付、银联支付、PayPal 支付等常用的支付方式以及各种常用的接口。不依赖任何第三方 mvc 框架，仅仅作为工具使用简单快速完成支付模块的开发，可轻松嵌入到任何系统里。右上角点下小星星✨

golang支付:微信公众号，微信app，微信小程序，微信企业支付，支付宝网页版，支付宝app，支付宝企业支付

Xendit REST API Client for PHP - Card, Virtual Account, Invoice, Disbursement, Recurring Payments, Payout, EWallet, Balance, Retail Outlets Services, xenPlatforms

Collaboration with wangxupeng(https://github.com/wangxupeng)

Beautiful credit cards for your payment forms

Fullstack open source Invoicing application made with MongoDB, Express, React & Nodejs (MERN)

Xendit REST API Client for Go - Card, Virtual Account, Invoice, Disbursement, Recurring Payments, Payout, EWallet, Balance, Retail Outlets Services, QR Codes

Interactive React Paycard

A sleek webfont featuring your favourite payment methods

Crater Invoice Mobile to manage your invoices on the go.

A modern, clean, and very simple responsive HTML invoice template

Korean Payment System with Mockup servers of PGs

PHP SDK for Authorize.Net API

Payment是php版本的支付聚合第三方sdk，集成了微信支付、支付宝支付、招商一网通支付。提供统一的调用接口，方便快速接入各种支付、查询、退款、转账能力。服务端接入支付功能，方便、快捷。

:credit_card: :package: :moneybag: Laravel 6, 7, 8, 9, 10 and 11 Package for Paystack

Credit card form with smooth and sweet micro-interactions

React Invoice Generator allows you quickly make invoices and export them as PDF

最新最全微信支付集成SDK，一行代码调用微信支付，包含基础支付功能（网页授权、各种签名、统一下单、退款、对账单、用户信息获取）、验收用例指引（沙箱支付、支付验收、免充值产品开通）、商户平台（现金红包、企业付款到用户、代金券或立减优惠）、公众平台（微信卡券、社交立减金活动）、小程序（生成永久二维码、发送模版消息）等等更多丰富接口注释和例子。

Create unlimited invoices for free.

Python library to manipulate Ingenico mobile payment device like iCT220 or iWL220 equipped with Telium Manager. RS232/USB.

:moneybag: A jQuery-free general purpose library for building credit card forms, validating inputs and formatting numbers.

微信支付 for nodejs

微信支付 Nodejs SDK

Alipay driver for the Omnipay PHP payment processing library

deftERP - Jakarta EE Web Profile (Java EE 7 : JSF, JPA, EJB, CDI, Bean Validation)

Payment Connector for Midtrans and Xendit. Sample site that is using this payment proxy is https://imrenagi.com/donate

Generate PDF invoices for your customers in laravel

Easily integrate Credit Card payments module in iOS App. Swift 4.0

Raiden Network

开源支付SDK(标准库)，主要打造微信支付，支付宝支付，标准库项目，同时支持.net framework和.net core

（微信支付）WeChatPay driver for the Omnipay PHP payment processing library

电子发票识别，可识别 电子普票 电子专票

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

Starting point for on-boarding and contribution documentation for mojaloop

Ecommerce project || Python Django

:credit_card: A robust Flutter plugin for making payments via Paystack Payment Gateway. Completely supports Android and iOS

Collection of Free responsive HTML templates for Startups

Xendit REST API Client for Node.js - Card, Virtual Account, Invoice, Disbursement, Recurring Payments, Payout, EWallet, Balance, Retail Outlets, QR Codes, Direct Debit

A quick and easy way to manage your clients, invoices and projects all on one web application made with Laravel!

Next-gen crypto currency mining pool software

一个集成支付宝微信的支付工具

Alipay global Third Party SDK with Authorization and Auto debit. Alipay 国际版 A+ 接口第三方 PHP SDK，实现了现金支付、用户授权、自动代扣和 RSA2 加密异步通知应答，示例完整，使用简单

Tatkal and Normal train Booking Automation in 1 Minute ✔️ Signing in with your username and password. ✔️ Auto Upgradation Enabled. ✔️ Filling Captchas and retrying untill success. ✔️ Support for Food Choices, Seats Preferences. ✔️ Payment Gateway Automation (Paying With UPI ID OR QR Code).

An Invoice creator project built with React. Uses jspdf-react to capture the data from the modal and convert it from canvas -> pdf.

Generate PDF Invoices with PDFKit

Open source software for POS and Automated Accounting.

MoMo Payment

Apex is a self hosted sales, purchase, inventory and accounting solution for small businesses.