Projects sharing features with Gopay

Lilishop is a multi-vendor B2B2C e-commerce platform designed as a marketplace where third-party merchants can manage independent storefronts within a unified ecosystem. It is built on a Spring Cloud microservices architecture and a Spring Boot backend, utilizing Vue and Uniapp to deliver responsive user interfaces across web, mobile, and mini-program platforms. The platform differentiates itself through integrated marketing automation tools, including group buying, bargain campaigns, and a commission-based affiliate distribution network. It also features a comprehensive financial settlement

Omnipay is a PHP payment gateway library and integration framework that abstracts multiple payment service providers into a single, consistent API. It provides a standardized interface for managing payment lifecycles, allowing applications to execute authorizations, captures, and refunds across various financial services without rewriting code for each provider. The framework decouples application logic from provider-specific SDKs using an adapter pattern and data-transfer objects. This architecture ensures that raw gateway responses and HTTP requests are converted into predictable data shape

Jeepay is an open-source payment gateway that accepts payments through WeChat Pay, Alipay, and UnionPay from a single integrated system. It functions as a multi-channel payment platform with aggregated QR code generation, allowing customers to scan one code and pay with any supported method, while also providing multi-merchant account management for onboarding and isolating independent merchants with their own payment configurations. The system secures all API requests and responses using cryptographic signatures to verify authenticity and prevent tampering. It delivers asynchronous payment r

BTCPay Server is a non-custodial payment gateway and invoice manager designed for accepting Bitcoin and other cryptocurrencies directly into a private wallet. It serves as a self-hosted payment infrastructure that allows merchants to manage digital invoicing and storefronts without relying on third-party intermediaries. The system distinguishes itself through a non-custodial wallet architecture that ensures private keys remain on the user's own hardware or server. It integrates the Lightning Network for instant, low-cost transactions and provides a hardware-wallet signing bridge to secure tra

WeiXinMPSDK is a .NET software development kit designed to integrate WeChat services, official accounts, and mini programs into applications. It provides a multi-platform bot framework and a programmatic interface to interact with official, mini, and corporate accounts across the WeChat ecosystem. The project features interface-based platform abstraction and logic unification, allowing a single codebase to target multiple target platforms. It includes a messaging middleware for routing incoming requests and a distributed caching layer using providers like Redis or Memcached to synchronize ses

Polar is a digital product monetization engine and subscription management system. It serves as a merchant of record platform that handles global sales tax and VAT compliance, providing the infrastructure for selling subscriptions and one-time digital goods via hosted checkouts and embedded payment flows. The project functions as an entitlement and access manager, automating the granting and restriction of digital benefits, license keys, and third-party platform roles. It includes a dedicated usage-based billing infrastructure that tracks customer activity through meters to apply aggregation

TastyIgniter is a comprehensive restaurant management system and digital ordering engine. Built as a modular application framework, it provides the tools necessary to operate online food ordering, table reservation systems, and multi-vendor e-commerce platforms. The platform is designed to handle complex restaurant operations, including multi-location networking and multi-vendor marketplace management. It distinguishes itself through specialized restaurant automation, such as coordinating guest limits and time slots for bookings, managing ingredient and allergen catalogs, and implementing mul

Certd is a self-hosted platform that automates the full lifecycle of SSL certificates using the ACME protocol. It handles certificate application, renewal, and deployment across multiple domains through a pipeline-driven workflow engine, with DNS challenge orchestration and multi-cloud deployment capabilities. The platform distinguishes itself through its configurable pipeline system, which allows users to build multi-step workflows that can pass outputs between tasks, execute custom scripts, and handle errors. It supports multi-tenant access control with role-based permissions, encrypted cre

InsForge is a backend-as-a-service platform that provides an integrated suite of tools for managing relational databases, identity provision, object storage, and serverless compute. It functions as an open-source identity provider and a PostgreSQL database manager featuring integrated vector storage and row-level security. The platform serves as an LLM orchestration gateway, offering a unified endpoint to route requests across various AI providers through an OpenAI-compatible interface. It enables AI-driven application generation and connects AI agents to backend resources using a standardize

Active Merchant is a Ruby library that provides a payment gateway abstraction layer to process credit card transactions across multiple different payment processor APIs. It serves as a payment API wrapper, offering a consistent set of commands and classes that abstract the complexity of various provider request and response formats. The library utilizes a unified payment gateway API to standardize global payment processing and unify payment flows. It specifically includes a standardized interface for handling 3D Secure authentication and identity verification for card-not-present transactions

Medusa is a headless commerce engine designed as a modular, API-first platform for building custom digital storefronts and business applications. Its architecture is built on a decoupled system where core business logic is encapsulated into independent, swappable modules that communicate through defined interfaces, allowing developers to incrementally adopt or replace components to fit specific operational needs. The platform distinguishes itself through a highly extensible design that supports complex commerce requirements, including multi-vendor marketplace operations, B2B purchasing workfl

Payload is a headless content management system and application framework that uses a code-first approach to define data schemas and administrative interfaces. By utilizing a centralized, type-safe configuration object, it automatically generates database schemas, API endpoints, and a fully customizable admin panel. The system is built on a database-agnostic architecture, allowing it to interface with various storage engines while providing a unified, type-safe API for server-side operations, REST, and GraphQL. What distinguishes Payload is its deep extensibility and developer-centric design.

Probot is a framework for building and deploying GitHub Apps that monitor webhook events and execute automated workflows. It provides a system for receiving and validating event notifications to trigger server-side actions. The project utilizes an event-driven plugin architecture and a middleware-based request processing system to handle authentication, validation, and routing. It employs a dependency-injection pattern to provide a pre-configured API client for authenticated interactions with GitHub services. The framework includes tools for token-based identity management, signature-based p

EasyWeChat is a PHP software development kit and API wrapper designed to integrate WeChat services into PHP applications. It functions as a social platform integration kit that provides a unified interface for communicating with external service APIs. The library provides specialized tools for managing WeChat Official Accounts, implementing WeChat Payment processing, and developing the backend logic for WeChat Mini Programs. The SDK utilizes a service-layered architecture to separate high-level business logic from low-level HTTP communication. This includes a middleware-driven request pipeli

node-elm is a Node.js and MongoDB backend framework designed for building data-driven applications, specifically e-commerce systems and food delivery management platforms. It provides a foundation for managing product catalogs, shopping carts, and payment workflows. The system includes a dedicated administrative management dashboard for tracking system statistics and managing users and merchants through role-based access control. It also features a digital coupon management system for tracking and exchanging promotional rewards. The framework incorporates geolocation services for IP-based po

Vendure is a Node.js e-commerce engine and headless commerce framework built with NestJS and TypeScript. It serves as a multi-channel commerce platform that manages product catalogs, orders, and customers via a strongly typed GraphQL API. The platform is distinguished by its highly extensible architecture, featuring a customizable administrative dashboard where developers can inject custom React components and entity views. It supports multi-channel commerce, allowing the isolation of products, currencies, and regional catalogs from a single unified backend. The engine covers a broad range o

WxJava is a set of Java libraries providing backend integration for the WeChat ecosystem and its various platform APIs. It serves as a comprehensive toolkit for managing identity, application infrastructure, and connectivity between backend services and the WeChat platform. The project provides specific SDKs for different WeChat domains, including official accounts, mini-program backends, and the WeChat Open Platform for third-party authorizations. It also includes a dedicated connector for integrating corporate communications and organizational workflows via the Enterprise WeChat platform.

Nideshop is a server-side API backend built with Node.js and the ThinkJS MVC framework, designed specifically to power a WeChat Mini Program e-commerce storefront. It provides a RESTful API that handles product listings, shopping cart management, order processing, and payment transactions through the WeChat platform. The project integrates WeChat login authentication and payment processing using configured app credentials, enabling secure user identity verification and transaction handling within the Mini Program ecosystem. It includes a web-based admin panel for managing products, orders, an

Django Oscar is a domain-driven e-commerce framework built on Django for constructing custom online stores. It provides a purpose-built admin dashboard for managing e-commerce operations including products, orders, customers, and promotions, replacing the default Django admin interface. The framework includes a flexible promotions engine for creating multi-buy, bundle, and percentage discounts with custom conditions and benefits, along with a configurable order status and transition system that supports split payments, multi-batch shipping, and deferred payment capture. The framework is desig

This is a typed server-side library and payment gateway SDK for integrating Stripe into Node.js applications. It provides a typed client to manage payments, customers, and subscriptions, while offering specialized tools for executing secure financial transactions and managing billing resources. The library distinguishes itself through an idempotent API client that prevents duplicate operations using idempotency keys and exponential backoff retry logic. It includes a webhook signature validator to verify that incoming HTTPS event notifications are authentic and an async-iterator pagination wra

This package provides a framework for receiving, verifying, and processing incoming webhooks within Laravel applications. It acts as a consumer for event streams, utilizing middleware to intercept HTTP requests, validate their authenticity through cryptographic signature verification, and route payloads to dedicated background jobs. The system distinguishes itself by offering granular control over multiple external service integrations, allowing developers to define unique configurations and endpoints for each provider. It ensures reliable operations by persisting raw request headers and payl

Solidus is an open-source ecommerce framework and extensible engine designed for managing product catalogs, shopping carts, and order processing. It functions as a modular store management system and a REST API commerce backend, allowing for the integration of store data with custom frontends and external services for headless commerce. The system is distinguished by a plugin-based extension architecture and an attribute-based model extension system, which enable the addition of specialized business functionality and custom data fields. It utilizes a state-machine for order processing to move

This is a Go client library for interacting with the Slack API, providing a programmatic interface to manage channels, users, and workspace settings. It functions as a bot framework and event handler, allowing for the development of automated assistants that respond to workspace activities. The library includes a dedicated Block Kit builder for constructing complex UI layouts, such as interactive elements, data tables, and visualizations, for rich messaging. It also provides a full implementation for managing user authentication and identity verification through OAuth2 and OpenID Connect. Br

Kill Bill is a subscription billing platform and usage-based billing engine designed to manage recurring invoicing and automated payment collection. It functions as a multi-tenant billing infrastructure, providing isolated environments for different organizational entities through a dedicated API. The system is distinguished by a plugin-based extension framework that allows for the integration of third-party payment gateways and custom business logic. It includes a payment gateway orchestrator to handle transactions and refunds, as well as a revenue recognition system to allocate contract rev

Octokit.js is a GitHub API SDK used to interact with GitHub via REST and GraphQL interfaces. It serves as a client for executing typed queries and mutations, managing authenticated REST requests, and handling signed webhooks across Node.js, Deno, and browser environments. The library features a plugin-based request pipeline and an adapter-based HTTP client, allowing the interception of requests and responses across different runtimes. It employs strategy-based authentication to separate credential management from request logic, supporting static tokens, OAuth flows, and GitHub App installatio

Litemall is an open-source e-commerce platform built on Java and Spring Boot that provides a complete retail environment. It includes both a customer-facing storefront and a centralized administrative dashboard, enabling businesses to manage product catalogs, order lifecycles, and member accounts from a single system. The platform distinguishes itself through deep integration with the WeChat ecosystem, offering a mobile-optimized storefront and social authentication for streamlined user access. It utilizes a modular architecture that combines automated database access layers with custom SQL m