payments

Hyperswitch is an open-source payments orchestration platform that provides a single API to access multiple payment service providers, enabling seamless payment processing with comprehensive routing and management capabilities.

BTCPay Server is a free and open-source Bitcoin payment processor that enables direct peer-to-peer transactions without fees or intermediaries, offering enhanced privacy, security and self-hosting capabilities.

Kill Bill is an open-source subscription billing and payment platform that helps businesses manage complex billing scenarios, subscriptions, and payments with extensive customization options.

Bitcart is an open-source self-hosted payment processor supporting multiple cryptocurrencies including BTC, LTC, BCH, XMR, ETH, TRX, and USDT, providing merchants with a flexible and secure payment gateway solution.

DePay is an open-source payment protocol that enables direct peer-to-peer cryptocurrency payments with automatic token conversion, allowing merchants to accept any token while receiving their preferred currency.