Search Results for "payment"
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Showing 378 open source projects for "payment"
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Endpoint Management with Remote Control Built InSplashtop AEM handles patching, alerts, scripts, and inventory, and unattended remote control is included. When something needs hands-on work, you’re one click away instead of switching tools.
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Payum
PHP Payment processing library
Payum is a PHP payment processing library that abstracts and unifies payment gateway integrations across different services like PayPal, Stripe, and Authorize.Net. It offers a modular architecture that supports various gateways and payment flows including recurring payments, tokenized sessions, and secure callbacks. Payum is ideal for developers building custom e-commerce or billing solutions with multiple payment options. -
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GoPay Workflow Orchestrator
Lightweight process orchestration framework for regional payment
GoPay Workflow Orchestrator is a lightweight workflow orchestration framework for studying and debugging regional payment-chain flows. It focuses on engineering reliability in multi-stage payment journeys that involve provider redirects, tokenized requests, verification challenges, asynchronous polling, and final status confirmation. The project organizes scattered payment steps into a reproducible and observable process so developers can inspect state transitions and integration failures. ... -
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Yansongda Pay
Alipay/WeChat/Douyin/Unipay
Yansongda Pay is a PHP payment library that supports various Chinese payment gateways, including Alipay and WeChat Pay. It offers a simple and unified API for handling payments, refunds, and notifications. The library is designed for developers building e-commerce or service-based applications that require payment processing. It supports asynchronous notifications and provides easy configuration for different payment scenarios. -
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x402
A payments protocol for the internet. Built on HTTP
x402 is an open, HTTP-native payment protocol designed to enable programmatic, real-time payments directly within standard web requests. It repurposes the long-unused HTTP 402 “Payment Required” status code to allow servers to request payment before delivering content or API responses. The protocol supports multiple payment networks, including blockchain-based systems and fiat-compatible facilitators, making it flexible and network-agnostic. -
Patching and Endpoint Management for Under $1/EndpointSplashtop AEM gives IT teams automated patching, monitoring, and unattended remote access for Windows and macOS. No long setup, no paying extra for key features.
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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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WeChat Bill Analysis Tool
WeChat Bill Analysis Tool - A Visual Bill Analysis Application
WeChat Bill Analysis Tool is an Electron-based desktop application for visualizing and analyzing WeChat Pay bill exports. It helps users understand personal spending habits, income, expenses, payment methods, transaction types, and financial patterns from exported payment data. The app presents key totals such as income, spending, net balance, transaction count, time range, and bill metadata in a more readable dashboard. It also includes charts for comparing income and expenses, analyzing payment method distribution, and reviewing categories such as merchant purchases, transfers, red packets, and refunds. ... -
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Stripe.net
Stripe.net is a sync/async .NET 4.6.1+ client
A .NET library to facilitate Stripe payment integration, supporting a full range of payment and subscription features for .NET applications. -
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Stripe Ruby Library
Ruby library for the Stripe API
A Ruby library that enables developers to integrate Stripe’s payment gateway into Ruby applications, streamlining billing, payments, and customer management. -
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Nimiq Blockchain
JavaScript implementation of the Nimiq protocol
Nimiq is a unique open-source payment system. It empowers all humans with decentralized but easy payments. One-click creates a node in your browser. Send and receive directly to the blockchain and be truly independent. A simple, secure and censorship-resistant payment protocol, native to the web. Nimiq is a decentralized, censorship-resistant payment protocol native to the web, with its own diverse ecosystem of apps. -
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Dujiaoka
Ecommerce platform focused on selling digital goods
dujiaoka is an open-source e-commerce platform focused on selling digital goods like activation codes, prepaid cards, and serial keys. Built with Laravel and Vue.js, it features a sleek interface, robust backend, and multiple payment gateway integrations. It is often used for automated sales of digital products with real-time delivery. -
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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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Stripe AI
One-stop shop for building AI-powered products and businesses
...The platform is particularly relevant for companies building AI-driven products that require monetization, usage-based billing, or programmable financial interactions. By offering ready-to-use integrations and development tools, Stripe AI reduces the complexity of connecting AI systems with payment services. -
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Agentic Commerce Protocol (ACP)
Interaction model for connecting buyers to complete purchases
...The repository organizes the spec as human-readable RFCs plus machine-readable OpenAPI and JSON Schema definitions, along with worked examples and a changelog so integrators can track breaking changes. Practically, ACP defines three main pieces; a Product Feed for discovery, an Agentic Checkout API for stateful, in-conversation checkout, and a Delegated Payment flow so a merchant’s existing PSP securely handles payment credentials and settlement. Merchants remain the merchant-of-record—orders, fraud controls, payment authorization/capture, refunds, and post-purchase communication all stay on their systems while the agent surfaces status to the buyer. -
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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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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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Mckay’s App Template
This is the template I use to start new full-stack projects
...The template includes a frontend built with Next.js, Tailwind CSS, and often UI components/frameworks like Shadcn + Framer Motion; a backend stack using PostgreSQL, Supabase, and Drizzle ORM for database operations; authentication via Clerk; and optional payment integration using Stripe. By providing a ready-to-go configuration (with example folder structure, database setup, auth, payment hooks, and environment templates), it lets developers skip the tedious initial setup and get straight to building product features. The template is ideal for startups, prototypes, or side-projects where you want a robust, production-grade starting point — with user accounts, auth, DB, and payments already wired up. -
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Open SaaS
Open source SaaS boilerplate for React, NodeJS apps with Wasp stack
...Developers can use it as a boilerplate to avoid writing repetitive setup code and instead focus on building product features. It integrates several commonly used services and tools, including payment processing systems, email providers, analytics platforms, and AI integrations. It also includes an admin dashboard, testing setup, and deployment configuration to streamline development workflows. By bundling these components together, Open SaaS aims to reduce development time and make it easier to create scalable web applications. -
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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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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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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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WxJava
WeChat develops Java SDK, supports back-end development
WeChat develops Java SDK, supports back-end development including WeChat payment, open platform, small program, enterprise WeChat, official account, etc. For project cooperation and negotiation, please contact WeChat binary0000(search and add friends in WeChat, please indicate the intention of coming, if you need to discuss about SDK issues, please refer to the group discussion below, do not add this WeChat). -
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BTCPay Server
Free, open-source & self-hosted, Bitcoin payments
BTCPay Server is a self-hosted, open-source cryptocurrency payment processor. It's secure, private, censorship-resistant, and free. Launch a server in a cloud, your own hardware device, or use an existing host. Connect your e-commerce store or use one of many apps to get paid. Funds arrive directly to your connected wallet. Features you use the most are baked right into every instance so you can hit the ground running. -
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Bitcart
Bitcart is a platform for merchants, users and developers
An open-source platform for managing cryptocurrency payments and stores without intermediaries. -
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Monero Java Library
Java library for using Monero
A Java library for Monero transactions, enabling integration of Monero functions in Java applications. -
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Bindu
Bindu: Turn any AI agent into a living microservice
Bindu is an open-source infrastructure layer that transforms any AI agent into a production-ready microservice capable of interacting, communicating, and transacting within a broader network of agents. It abstracts away the complexity of deployment, authentication, communication protocols, and payment systems by allowing developers to “bindufy” an agent with minimal configuration. Once integrated, the agent gains a decentralized identity, standardized communication capabilities through protocols such as A2A and AP2, and built-in support for authentication and monetization. The system is designed to be framework-agnostic, meaning developers can build agents using tools like LangChain, OpenAI SDK, or custom implementations and still deploy them seamlessly. ...
