Sell what you want without paying double commissions. Self hosted alternative for Gumroad, Buy Me a Coffee, Ko-fi etc.

The pi-quantum-card repository is the official development hub for the Pi Quantum Card (PQC), a revolutionary digital payment and identity solution designed to integrate quantum encryption, biometric security, and augmented reality.

Express.js API for Mexican CoDi digital payments with QR code generation and Banxico integration.

Repository for Mifos gateway for mobile money and digital payments integration

Lithe is a Playground Fork of Conceal. Only to be used in experiments.

AI Prompt Library for Securing Digital Payments, Financial Systems, and Digital Assets using Zero Trust & Defense-in-Depth Strategies

FacePay is a digital payment solution that utilizes facial recognition to authenticate customers. It was a proposal submitted to the "ADB Pay: Digital Payments" challenge of ADB-AIM Hackathon 2019.

This project is a clone of the Paytm app, focusing on replicating its core features related to digital payments and financial services. It aims to provide a learning resource for developers interested in understanding how such apps are built.

Whitepaper for a decentralized trust-based electronic voucher payment system

Photo management app using Ruby on Rails framework

Payment Gateway Integration using Razorpay Payment Gateway in Google Flutter App. How to setup Payment gateway in your flutter mobile app using Razorpay payment gateway and run on mobile device and web browser.

Interactive PhonePe Data Analysis Dashboard built using Power BI to analyze digital payment transactions, user behavior, and business insights through interactive visualizations.

AI-powered USDC disbursements for municipal projects. Starting with Nigeria, built for every municipality worldwide.

StayVise holds your client's payment securely in escrow — releases it the moment you deliver. All through WhatsApp.

A multi-agent, event-driven payment automation platform built with .NET 10 and Aspire 13. Users create "watch requests" for products; autonomous agents monitor prices, request human approval via A2P messaging, and execute payments.

Secure role-based Digital Wallet frontend with React, Redux Toolkit, RTK Query & TypeScript.

An aggregator-free, bank-owned payments rail + an open fraud-intelligence layer for India. A flag, not a product.

Nalmart marketplace

A decentralized, mesh-routed offline UPI payment system leveraging hybrid RSA/AES-GCM encryption, atomic idempotency, and a store-and-forward gossip protocol for zero-connectivity environments.