Facturatie

Client IT documentation, ticketing, invoicing and accounting for MSPs (Managed Service Providers).

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

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

Subscription billing & payments platform. Have access to real-time analytics and financial reports.

Open source invoicing and quote application.

Open source C# e-invoicing library. Enables creating and reading ZUGFeRD invoices.

Laravel Cashier provides an expressive, fluent interface to Stripe's subscription billing services.

Community Mollie API client for Node

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

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

Powerful tool to invoice clients online.

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

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.

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

Adyen API Library for Node.js

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

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.

Cashier Paddle provides an expressive, fluent interface to Paddle's subscription billing services.

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

Adyen Android Drop-in and Components

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.

Stripe Checkout & Elements for Vue.js

Free automatic invoice collector 🧾 Collect your invoices in seconds ⏰ Docker container 🐳

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.

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

An Experimental Non-Blockchain Cryptocurrency for Fast Micro Payments

Java library for Swiss QR bill payment slips (aka QR-Rechnung)

A simple implementation of the Android In-App Billing API.

Reading and Validating In App Purchase Receipt Locally.

Java library for reading and writing UBL 2.0, 2.1, 2.2, 2.3, 2.4 and 2.5 documents

The community’s Nostr brain: The only server with relay, File Hosting (NIP-96 & Blossom), Nostr Address (NIP-05), Lightning Redirects, NWC, WoT, and much more.

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

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

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

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

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

💸BiznisBox is the all-in-one business platform that helps you manage your business, from invoicing to contracts, and more

:memo: PDF invoice generator

Swiss QR Bill generation in Node.js and browsers

Invoice Ninja: Desktop/mobile admin portal built with Flutter

💸 Calculate estimated monthly costs of Google Cloud Platform products and resources via YAML files and CLI program (Linux, macOS, Windows)

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

Everything you need to add Stripe Elements to your Svelte project

Encode & Decode "BySquare" Pay/Invoice QR string

Flutter App에서 포트원 / (구)아임포트 결제서비스 연동을 위한 모듈입니다.

Unified Payments. One Simple API to rule them all.

A simple GST invoice billing software

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

💵 Define and enforce pricing plan limits in your Rails SaaS (entitlements, quotas, feature gating)

Türk banka ve ödeme sağlayıcıları için tek arayüzlü, framework'e bağımlı olmayan ödeme kütüphanesi (Node.js/TypeScript) — Garanti, NestPay/Asseco, PayFor, PayFlex, PosNet, BOA, iyzico, Tosla, Moka, PayTR, Craftgate, Paratika, Paycell

Mollie Payments for Magento 2

Frames iOS: making native card payments simple

Subscription billing for Ethiopian apps.

Open Source PSD2-compatible banking system emulator solution from adorsys

Open source framework for tax-focused human-AI collaboration.

⚖️ AFIP invoice integration for django.

🧾✨ AI-Powered Receipt and Invoice Scanner for Laravel, with support for images, documents and text

Financial primitives for TypeScript — IBAN, card, BIC, VAT, routing, loan calculations. Zero deps.

PHP framework agnostic library for working with BillPlz API v3 and beyond...

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.

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

The Project Management plugin for WordPress

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.

Create and host contactless payment cards using bitcoin over the lightning network

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

Omise iOS SDK

React Native용 아임포트 일반.결제 및 휴대폰 본인인증 모듈입니다.

Line segmentation algorithm for Google Vision API.

PHP-ZATCA-XML is an unofficial PHP library for generating ZATCA Fatoora e-invoices. It simplifies the process of creating compliant e-invoices, generating QR codes, handling certificates, and submitting invoices to ZATCA’s servers.

Asp.Net example implementation of Invoice Web Application Using Bootstrap AdminLTE Template. Dashboard Cart, Customer, Vendor, Products, User Registration, SendGrid and more.

💰 Elegant IDPay and Zarinpal gateway for Laravel

Tezos Reward Distributor (TRD): A reward distribution software for tezos bakers.

ISO8583 Message Packer and Unpacker with ISOClient in Java

解决 NewAPI 支付通道受限问题的开源适配网关，无需修改 NewAPI 代码即可接入 Jeepay，升级更平滑、支付更可控。

🎉 Flexible invoicing desktop app with beautiful & customizable templates.

Go library for accessing the RO e-Factura and RO e-Transport APIs.

Subscription Management and Billing System

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

Full stack web app with React and Spring Boot used for managing digital wallet and transactions

Open Source Invoicing Solution for Individuals & Businesses

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

💵 An angular2+ module for paystack transactions

Laravel Point of sale with invoice full source code free download pos apps.

Simple definitions of terms, acronyms, abbreviations, companies, and projects related to financial services and Moov.

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

From Berlin to Germany and Europe - an open source CRM Solution mainly for small and medium-sized businesses: Visit https://www.berlicrm.de/

Next.js-like framework building AI Agents that are payment-native. Bootstrap your agent with A2A, MCP, x402 payments, and ERC-8004 identity.

Crater Invoice Mobile to manage your invoices on the go.

Library for reading and creating European-compliant electronic invoices (EN 16931)

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

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

A Cashu wallet for Android and iOS 🥜🐿️

Korean Payment System with Mockup servers of PGs

Credit card form with smooth and sweet micro-interactions

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

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

A sleek webfont featuring your favourite payment methods

GemWallet is a cutting-edge crypto wallet and Web3 layer for the XRP Ledger. Our browser extension enables you to interact with the XRP Ledger directly from your browser (Metamask for the XRPL). - https://gemwallet.app

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

리액트 환경에서 아임포트 결제 및 휴대폰 본인인증 연동을 위한 예제입니다.

Online Invoice Management in Ruby On Rails.

Application for invoices generation in Django-Oscar.

微信支付 Nodejs SDK

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

Better payment user experience library with cool animation in Swift

A library for encoding and decoding lightning network payment requests as defined in BOLT #11.

Three-party payment merchants system based on web3. 一个基于web3的区块三方支付系统

微信支付 for nodejs

TDTouchID是一个封装好的指纹、FaceID验证库,可以用来做iOSAPP的登录/支付等验证。

Public repository of the Online Invoice System

Ruby gem for creating SEPA XML files

电子发票识别，可识别 电子普票 电子专票

Easy invoice creation for Laravel

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

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

Stripe library for Vapor

Desktop invoicing app built with electron. Create Quotes and Invoices. Download PDF or Email directly to your customers.

Your friendly Bitcoin Lightning ⚡ payment page ⚡

Starting point for on-boarding and contribution documentation for mojaloop

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

A billable-time invoice featuring style over substance

Paranoia is generic payment client for populer virtual pos api(s) of Turkey.

A PHP package for managing italian e-invoice and notice XML formats. (Pacchetto PHP per gestire il formato XML di fatture e notifiche come richiesto dal SdI).

Raiden Network

Collection of Free responsive HTML templates for Startups

A python client for the Sypht API

💳 ComposeCards is a beautifully designed payment view library for Credit and Debit Card. Made using Jetpack Compose 🎉

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

a zigzag view for using for ticket or invoice

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

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

Python module for handling Cardano cryptocurrency

UnionPay driver for the Omnipay PHP payment processing library

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

Cloudreve Pro 易支付 支持 (点个 Star 不迷路~)

Payment processing microservice. Written in Symfony4

Check out the new style for App Design aims for Payment App...😉😀😁😎

Healthcare Payments implemented on a HyperLedger Fabric 1.4 private, permission blockchain that uses Convector and HL7 FHIRv4

💳 Payment View library for Credit and Debit Card.

A tiny module for Adding payments via UPI in your react native apps ❤️

Payu ALU service client

Freelance mission control

A Java client for the Sypht API

Next-gen crypto currency mining pool software

一个集成支付宝微信的支付工具

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).

Simple Credit Card Generator & Validiator |Based on HTML,Javascript,Jquery |

:rocket: A REST API client for I'mport

Gerar payload para qrcode estático PIX. (Sistema de pagamento instantâneo do Brasil) Sem a necessidade de conexão com um PSP.

Just a simple PDF Invoice Generator made with React, MUI & @react-pdf/renderer.

多种风格的支付框控件，可定制加密图片，也可使用带动画的弹窗。A variety of styles of payment box controls can be customized to encrypt pictures, can also be used with animated alert.

:octocat: A Pharmacy Web application project made in Django created for my Dad

An Open Sourced Invoice System developed for anyone who needs to generate out an invoice and manage clients

Reference implementation of an Interledger connector.

Key information extraction from invoice document with Graph Convolution Network

MoMo Payment

An easy-to-use, high-performance Interledger implementation written in Rust

Logos for payment systems available in png and svg

Open source software for POS and Automated Accounting.

Connect your machine to the Interledger

Demo project to showcase adding payment card details using JetPack Compose

iOS 支付宝支付动画

Cool Boostrap Design form for Payout and Register.

iOS内购(This is used for in app purchases on iOS) [Swift Version]：https://github.com/itenfay/DYFStore

Microservices in Node js with React

USDT发卡系统

iOS内购(This is used for in app purchases on iOS)

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