Search Results for "payment"
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Showing 184 open source projects for "payment"
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Invoice Ninja
Free and Open Source Invoicing, Expenses & Time-Tracking
...It offers a plethora of great features, including custom branded invoice design, recurring invoicing and auto-bill clients, real-time quote creation and custom proposals, expense reporting and so much more! Invoice Ninja is also capable of handling online payments from more than 40 payment gateways, including Stripe, PayPal and WePay. It also accepts payments using credit cards, ACH, Bitcoin and more. Get paid online, organize project workflows with Kanban Boards, and track time online via your Webapp account all with Invoice Ninja. -
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OpenCart
A free shopping cart system
...The OpenCart marketplace features 13000+ modules and themes to jump-start, grow and expand your business. You can find beautiful themes for just about any sector, service integrations, payment providers, shipping methods, social media, marketing, accounting, reporting, sales as well as language packs. The world's most renowned payment gateways and shipping methods integrated for you -
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Hi.Events
Open-source event management and ticket selling platform
...It provides features for event creation, ticket sales, attendee registration, and real-time analytics. The platform is highly customizable, allowing users to set up public or private events, integrate payment gateways, and monitor event metrics through an intuitive dashboard. Hi.Events is ideal for community gatherings, conferences, and professional events. -
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FOSSBilling
Empower your hosting business with FOSSBilling
...Because it’s self-hosted and licensed under the Apache 2.0 license, organizations have full control over their data and can customize or extend the system to fit unique workflows or branding requirements. FOSSBilling supports integration with numerous control panels and payment gateways, helping businesses automate domain management, hosting account creation, and customer notifications without manual intervention. The platform is built to be extensible, with a modular architecture that allows developers to add new features, themes, or third-party extensions. -
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Wallos
Open-source, self-hostable personal subscription tracker
...It focuses on turning subscriptions into a clear, organized view of your financial commitments, helping you spot waste, anticipate upcoming charges, and plan your budget with fewer surprises. The app supports subscription management with due dates and payment schedules so you can keep track of what’s active and when it renews. To make analysis more meaningful, Wallos includes category management so you can group expenses and identify spending patterns over time. It also supports multiple currencies, which is especially useful for people paying for services in different billing regions or traveling between countries. -
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Liberapay
Source code of the recurrent donations platform Liberapay
...Liberapay distinguishes itself by not taking a commission from donations, instead relying on voluntary contributions to sustain the platform itself. It supports multiple currencies and integrates with payment processors such as Stripe and PayPal, enabling global participation. The system also includes features like team-based funding, pledges for users not yet registered, and public transparency of donation flows. -
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OpenMeter
Metering and Billing for AI, API and DevOps
...It supports high-scale event ingestion and deduplication to accurately record how customers consume billable resources such as API calls, compute time, or storage, and then correlates that usage with payment systems and billing plans to automate invoicing and revenue recognition. The system includes metering, storage, cataloging of products and pricing rules, and tools to enforce limits or quotas, supporting both self-service customer portals and internal dashboards. OpenMeter integrates with payment processors, CRMs, and analytics systems, letting teams launch complex pricing models or subscription tiers without heavy custom engineering work. -
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Magento 2
Cutting-edge, feature-rich eCommerce solution that gets results
Magento 2 is the open source version of the leading enterprise-class ecommerce platform. It is capable of creating unique and engaging shopping experiences thanks to a rich set of cutting-edge features, seamless third-party integrations and unrivaled customization capabilities. -
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Magento Open Source
eCommerce Platform for Developers and Small Businesses
Magento is an open-source e-commerce platform written in PHP -
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SSPanel-UIM
Multi-purpose proxy service management system
SSPanel-UIM is a web interface and management platform for Shadowsocks (a secure SOCKS5 proxy tool often used to circumvent censorship). It supports multi-tenant accounts, traffic quotas, node management, coupon systems, invite codes, and payment gateways integration (for example, Stripe, PayPal, etc.). The platform includes features like user dashboards, usage graphs, IP/device logging, and automatic coupon or traffic renewal logic. Administrators can configure SSR/V2Ray or other proxy backends and synchronize them with the panel, so nodes apply updates or bans uniformly. ... -
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Medusa.js
The world's most flexible commerce platform
Medusa is an open‑source, modular commerce platform that provides foundational commerce logic and tools—like product management, orders, payment flows—as a framework. It's designed for developers to build custom, scalable e‑commerce applications such as B2B, DTC stores, marketplaces, point-of-sale systems, and service businesses without reinventing core functionality. Medusa is a commerce platform with a built-in framework for customization that allows you to build custom commerce applications without reinventing core commerce logic. ... -
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SolidInvoice
Simple and elegant invoicing solution
SolidInvoice is a simple open source general billing manager/ invoicing application made for small businesses and freelancers. It helps you manage clients, contacts, day-to-day billing and more so you can always get paid right and on time. SolidInvoice is capable of handling recurring invoices, quotes and estimates, as well as online payments. You can receive payments from a number of different gateways such as Paypal Express, Stripe Checkout, Be2bill and more. It also supports multiple... -
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PrestaShop
An open source eCommerce platform
PrestaShop is an Open Source e-commerce web application, committed to providing the best shopping cart experience for both merchants and customers. It is written in PHP, is highly customizable, supports all the major payment services, is translated in many languages and localized for many countries, has a fully responsive design (both front and back office), etc. See all the available features. This repository contains the source code of PrestaShop, which is intended for development and preview only. To download the latest stable public version of PrestaShop (currently, version 1.7), please go to the download page on the official PrestaShop site. ... -
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Saleor
Customer-centric e-commerce on a modern stack
Saleor is one of the fastest growing open source e-commerce platforms, built to deliver ultra-fast, dynamic and personalized shopping experiences. Built with Python, Django, GraphQL, and ReactJS, Saleor is modular and highly performant. With a GraphQL API and headless commerce, you can build beautiful, customized online stores anywhere on any device using the latest technology. Saleor gives you great flexibility, with options for building your front-end how you want, and seamless... -
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Gumroad
Sell stuff and see what sticks
This repository contains the source code for Gumroad’s e-commerce platform, exposing how a modern creator-focused storefront and payments system is assembled. The app models products, variants, subscriptions, and checkout flows, then ties them to fulfillment, licensing, and customer communications. It implements typical marketplace concerns—order management, refunds, discounts, taxes, fraud checks, and analytics—through well-defined services and background jobs. The UI offers product pages,... -
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Indico
A feature-rich event management system
...A powerful and flexible hierarchical content management system for events, a full-blown conference organization workflow with call for Abstracts and abstract reviewing modules; flexible registration form creation and configuration; integration with existing payment systems; a paper reviewing workflow; a drag and drop timetable management interface; a simple badge editor with the possibility to print badges and tickets for participants; tools for meeting management and archival of presentation materials; a powerful room booking interface; integration with existing video conferencing solutions. -
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Saleor Commerce
A modular, high performance, headless e-commerce platform
...Based on Python and Django, the latest major update introduces a modular front end powered by a GraphQL API and written with React and TypeScript. A comprehensive system for orders, dispatch, and refunds. Advanced payment and tax options, with full control over discounts and promotions. Packed with features that get stores to a wider audience. -
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Restaurant Menu Food Ordering WordPress
This plugin gives you the power to effectively create menus
...Add images, tags, ingredients, nutrition info, and other data to make your menu more attractive and informative. Using a free plugin version, you can also enable eCommerce features and sell food and drinks online using the available PayPal or Cash on delivery payment methods. If you want to get more of this food menu WordPress plugin, feel free to connect dedicated addons. Food Delivery Plugin that enables delivery and pick-uo options for online shoppers. Toppings Addons allows you to upsell extras by enabling shoppers to add more related products to cart. -
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Svelte Commerce
The open-source storefront for any ecommerce
Svelte Commerce is an open-source storefront framework built with SvelteKit that enables developers to create fast, modern eCommerce frontends using a headless architecture. The platform functions as a progressive web application storefront that can connect to various backend commerce systems through APIs. Because it is headless, the frontend can integrate with different eCommerce engines such as Medusa, Litekart, or other REST-based platforms. The project includes many core commerce... -
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Medusa Next.js Starter Template
A performant frontend ecommerce starter template with Next.js
Next.js Starter Medusa is an open-source starter template designed to help developers quickly build modern eCommerce storefronts using the Medusa headless commerce engine and the Next.js framework. The project provides a complete frontend architecture that connects to a Medusa backend, which handles core commerce logic such as products, carts, customers, and orders. By combining Medusa’s modular commerce APIs with the capabilities of Next.js, the template enables developers to build fast,... -
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Universal Commerce Protocol
Specification and documentation for the Universal Commerce Protocol
UCP (Universal Commerce Protocol) is an open standard intended to make commerce integrations interoperable across platforms, agents, businesses, and payment providers without bespoke, one-off connector builds. It defines a shared “common language” and functional primitives so that different systems can express commerce actions and state transitions in a consistent way. The protocol is designed around the realities of existing retail infrastructure, aiming to fit into current operational models while enabling more automated, agent-driven buying experiences. ... -
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UCP Python SDK
The official Python SDK for UCP
UCP Python SDK repository for the Universal Commerce Protocol (UCP) delivers an official Python client library that simplifies building UCP-compliant applications in Python. UCP itself is a modern, open-source standard that empowers seamless commerce interactions between platforms, AI agents, merchants, and payment providers without requiring bespoke integrations for every participant in the commerce ecosystem. This SDK provides Pydantic models for UCP schemas, making it easy for Python developers to construct, validate, and serialize protocol messages and data structures according to the UCP specification. By adhering to the official protocol standards, applications built on this SDK can participate in tasks like capability discovery, checkout flows, order management, and more, while remaining interoperable across different UCP implementations and surfaces. -
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Universal Commerce Protocol (UCP)
The common language for platforms, agents and businesses.
Universal Commerce Protocol (UCP) is an open standard designed to unify how platforms, businesses, and payment providers interact across the modern commerce ecosystem. It provides a common language that eliminates fragmented, custom integrations and enables seamless interoperability between diverse commerce systems. Built for an increasingly agentic web, UCP supports AI-driven platforms that can discover products, manage carts, and complete transactions securely on a user’s behalf. ... -
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Aimeos Laravel ecommerce package
Laravel ecommerce package for ultra fast online shops
Aimeos Laravel ecommerce package is a full-featured Laravel ecommerce package that integrates the Aimeos ecommerce framework directly into Laravel applications, enabling ultra-fast online shops, marketplaces, and complex B2B platforms. It is designed to be installed into an existing Laravel app within minutes, providing routes, views, configuration, and an admin backend that plugs into Laravel’s ecosystem. The package supports multi-vendor, multi-channel, and multi-warehouse setups, so you... -
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reverse API auto VPBank
Reverse engineering API
🏦 VPBank API - Auto Payment Automation 🚀 Giải pháp tự động hóa biến động số dư & xác thực thanh toán VPBank Neo. Hệ thống quét lịch sử giao dịch (LSGD) liên tục, tự động khớp đơn hàng qua nội dung chuyển khoản nhanh như QR DOJI. ✨ Tính năng nổi bật 🔄 Real-time Loop: Tự động quét biến động số dư liên tục 24/7. 🛡️ Bảo mật tuyệt đối: Chạy trực tiếp trên máy cục bộ, dữ liệu không gửi về server trung gian
