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Buyer-controlled client for x402 API payments in USDC on Base.

A self-hosted UPI & COD payment gateway with zero per-transaction platform fees, universal JavaScript checkout integration, dynamic QR payments, WhatsApp OTP authentication, and automated payment verification.

Open source, composable payments platform | PCI compliant | SaaS and Self-host options | Enables connectivity to multiple payment, payout, fraud, vault and tokenization providers | Uplifts authorization with intelligent routing and revenue recovery | Reduce payment processing costs with cost observability | Reduces payment ops with reconciliation

Open-Source Subscription Billing & Payments Platform

TypeScript Interface for Machine Payments Protocol

Securely accept major credit and debit cards, and allow customers to pay you directly without leaving your WooCommerce store. View and manage transactions from one convenient place - your WordPress dashboard.

Payments are broken for AI agents. Snaplii provides a secure, tokenized payment layer that enables AI agents to transact in the real world — without exposing users' underlying payment credentials.

Ubilling is an open-source billing system designed for Internet service providers (ISPs). It provides tools for managing subscribers, handling payments and creating detailed reports. Ubilling allows control and monitoring of a wide range of network equipment and can be easily extended with custom functionality.

Django payments processor.

A self-hosted open source application for managing your invoices, clients and payments.

Accept Bitcoin payments. Free, open-source & self-hosted, Bitcoin payment processor.

Protocol to setup payments between entities on the Web based on GNAP

Hargo is an E-commerce theme powered by Hugo and Snipcart. It's fully functional, users can order items and also payments throw this theme.

🌕🌑 Privacy Preserving Shielded Payments On The Ethereum Blockchain

Payment Helper of Payment Gateways ( PayPal - Paymob - Fawry - Thawani - WeAccept - Kashier - Hyperpay - Tap - Opay - Paytabs - Vodafone Cash - Orange Money - Meza Wallet - Etisalat Cash - Binance - Payeer - PerfectMoney - NowPayments)

This is our old, archived payments app. For our current product, see our website.

Cross-platform open source VPN client built in Rust, with mixnet anonymity and WireGuard speed. Protects metadata, not just IP addresses. Zero-knowledge payments for unlinkable online activities.

A 100% free modern JS SaaS boilerplate (React, NodeJS, Prisma). Full-featured: Auth (email, google, github, slack, MS), Email sending, Background jobs, Landing page, Payments (Stripe, Polar.sh), Shadcn UI, S3 file upload. AI-ready with tailored AGENTS.md, skills, and Claude Code plugin. One cmd deploy. Powered by Wasp full-stack framework.

ESP32-based MDB cashless device for vending machines, supporting EVA DTS DEX/DDCMP telemetry and payments over the MDB protocol via Bluetooth and MQTT

Open-source core banking platform — 61 DDD domains with event sourcing, CQRS, and a schema-first GraphQL API. Multi-asset accounts, exchange, lending, compliance, x402/MPP machine payments, and a non-custodial wallet backend. Laravel 12 / PHP 8.4. Reference implementation: the GCU basket currency.

fullstack chat agent with authentication, request credits and payments built in

the blockchain for payments

Invoicerr is a freelance-focused invoicing app that lets you create quotes, generate invoices, track payments, and collect secure signatures.

Full-stack shadcn/ui blocks for auth, payments, AI, logos, and more

📶 A fast, automated Hotspot Billing system powered by M-Pesa STK Push for instant, secure user access. Built with Node.js, MySQL, Next.js, and React, it delivers smooth payments, smart access control, and optional MikroTik-RB750UPr2 integration. ⚡🔐

Scaffold production-ready full-stack apps in TypeScript, Rust, Python, Go, and Java with a visual builder and CLI. Choose your frontend, backend, database, auth, AI, payments, and DevOps integrations, all wired together.

The Commercial Action Layer for AI Agents. Tools, Payments & Compute in OneShot.

Open Source AI trading agent that operates autonomously across 1000+ markets - Polymarket, Kalshi, Binance, Hyperliquid, Solana DEXs, 5 EVM chains. Scans for edge, executes instantly, manages risk while you sleep. Agent commerce protocol for machine-to-machine payments. Self-hosted. Built on Claude.

The agent-native LLM router for autonomous agents. 66 models (8 free), <1ms local routing, USDC payments on Base & Solana via x402.

Full-stack MERN fitness e-commerce platform with complete Admin dashboard, Razorpay payments, workout tracker, exercise library, AI chatbot, BMI and calorie calculators, nearby gym finder and transactional emails. Built for real-world use and open-source contribution.