1.nautechsystems / nautilus_traderProduction-grade Rust-native trading engine with deterministic event-driven architecturealgorithmic-trading-enginetrading-platformcrypto-tradingartificial-intelligencemachine-learningtrading+7 moreRustLGPL-3.031K total4.2K forks+9,014 starsfrom 22,189 · score 9.11
2.juspay / hyperswitchOpen 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 reconciliationpaymentsrustorchestrationhacktoberfestbeginner-friendlyfeatured+14 moreRustAPACHE-2.046K total6.6K forks+4,087 starsfrom 41,591 · score 8.32