juspay / hyperswitch

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

solana-foundation / pay

CLI for Agentic payments (x402, MPP, AP2).

juspay / hyperswitch-prism

One library | Many payment processors | Scale to multiple processors with few lines of code.

meteroid-oss / meteroid

Open-source Pricing and Billing Infrastructure 🚀 Subscription management, Invoicing, Pricing, Usage-based billing, Cost limiting, Grandfathering, Experiments, Revenue analytics & Actionable insights

mobilecoinfoundation / mobilecoin

Private payments for mobile devices.

tempoxyz / tempo

the blockchain for payments

nymtech / nym-vpn-client

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.

interledger / open-payments

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

wavect / semaprax

The AI agent-native systems programming language: Meaning in. Verified machine code out. All target OS, memory managed through Ownership & fully interoperable with existing ecosystems & object-oriented AI Agents with payment capability.