Discover the best Payment Gateway open source repositories on GitHub. Explore trending tools, live star counts, source code, and developer projects updated daily.
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
Accept Bitcoin payments. Free, open-source & self-hosted, Bitcoin payment processor.
One library | Many payment processors | Scale to multiple processors with few lines of code.
Self-hosted, open-source payment gateway. Manage brands, gateways, and transactions on your own infrastructure.
Bitcart is a free and open-source self-hosted payment processor for BTC, LTC, BCH, XMR, ETH, TRX, USDT and more
simple PHP payment package , supports multiple drivers
Adyen API Library for PHP
Adyen API Library for .NET
⚡ High-performance Rust microservice & Web Studio for VietQR (NAPAS 24/7), Standee generator, and banking deeplinks (33+ apps) with ultra-light PNG (~1.9KB).
Thư viện .NET & Web API hiệu năng cao xử lý mã QR thanh toán VietQR chuẩn NAPAS247 & EMVCo. Hỗ trợ .NET 6/8/9/10, nhúng sẵn 76+ ngân hàng, render PNG/WebP/SVG.